{"id":13633,"date":"2025-10-03T12:37:33","date_gmt":"2025-10-03T11:37:33","guid":{"rendered":"https:\/\/mcqsadda.com\/?p=13633"},"modified":"2026-02-14T04:53:36","modified_gmt":"2026-02-14T04:53:36","slug":"hydrosphere-top-100-mcqs-with-answer-and-explanation","status":"publish","type":"post","link":"https:\/\/mcqsadda.com\/index.php\/2025\/10\/03\/hydrosphere-top-100-mcqs-with-answer-and-explanation\/","title":{"rendered":"Hydrosphere Top 100 MCQs With Answer and Explanation"},"content":{"rendered":"\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">1. The hydrosphere refers to ____________.<\/mark><\/strong><br>A) Earth\u2019s land surface<br>B) Earth\u2019s gaseous envelope<br>C) All water on Earth (surface, underground, atmospheric)<br>D) Earth\u2019s crust only<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Hydrosphere includes oceans, rivers, lakes, glaciers, groundwater, and water vapor.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">2. What percentage of Earth\u2019s surface is covered by water?<\/mark><\/strong><br>A) 51%<br>B) 61%<br>C) 71%<br>D) 81%<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  About 71% of Earth\u2019s surface is covered by water.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">3. Approximately what percentage of Earth\u2019s water is in the oceans?<\/mark><\/strong><br>A) 77%<br>B) 87%<br>C) 97%<br>D) 99%<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Oceans contain about 97% of total water, but it is saline.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">4. Freshwater makes up what percentage of Earth\u2019s total water?<\/mark><\/strong><br>A) 1%<br>B) 2.5\u20133%<br>C) 5%<br>D) 10%<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Only ~2.5\u20133% of Earth\u2019s water is freshwater.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">5. The largest reservoir of freshwater on Earth is<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Rivers<br>B) Lakes<br>C) Glaciers and ice caps<br>D) Groundwater<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  About 69% of freshwater is locked in ice caps and glaciers.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>6. The second-largest reservoir of freshwater is<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/strong><br><\/mark>A) Rivers<br>B) Groundwater<br>C) Atmosphere<br>D) Lakes<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Groundwater accounts for ~30% of freshwater supply.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">7. The process of water circulating between atmosphere, land, and oceans is called<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Hydrological cycle<br>B) Rock cycle<br>C) Carbon cycle<br>D) Evapotranspiration<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>  The water cycle describes continuous movement of water on Earth.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">8. The largest ocean on Earth is<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Atlantic Ocean<br>B) Indian Ocean<br>C) Pacific Ocean<br>D) Arctic Ocean<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Pacific Ocean covers ~165 million sq. km, the largest on Earth.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">9. Which is the second-largest ocean in the world?<\/mark><\/strong><br>A) Indian Ocean<br>B) Atlantic Ocean<br>C) Southern Ocean<br>D) Arctic Ocean<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  The Atlantic Ocean is the second-largest, covering ~106 million sq. km.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">10. The smallest ocean in the world is<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Arctic Ocean<br>B) Southern Ocean<br>C) Indian Ocean<br>D) Atlantic Ocean<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>  Arctic Ocean covers ~15 million sq. km, smallest and shallowest.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">11. The Indian Ocean is bounded on the north by<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Europe<br>B) Asia<br>C) Antarctica<br>D) Africa<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Indian Ocean lies south of Asia, west of Australia, and east of Africa.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">12. The average depth of the oceans is about<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) 1 km<br>B) 2 km<br>C) 3.7 km<br>D) 5 km<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Average depth of oceans is about 3,700 m.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">13. The deepest part of the world\u2019s oceans is<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Java Trench<br>B) Tonga Trench<br>C) Mariana Trench<br>D) Puerto Rico Trench<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Mariana Trench in the Pacific is ~11,034 m deep.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">14. Ocean water salinity is measured in<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) mg\/L<br>B) g\/kg<br>C) Parts per thousand (ppt)<br>D) ppm<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Salinity is usually expressed as ppt (\u2030).\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">15. The average salinity of ocean water is about<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) 25\u2030<br>B) 30\u2030<br>C) 35\u2030<br>D) 40\u2030<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Ocean water contains ~35 grams of salt per kg of water.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">16. The most abundant salt in seawater is<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Magnesium chloride<br>B) Sodium chloride<br>C) Potassium sulfate<br>D) Calcium carbonate<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>   NaCl makes up ~77% of dissolved salts.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">17. Which ocean current is warm?<\/mark><\/strong><br>A) Labrador Current<br>B) California Current<br>C) Kuroshio Current<br>D) Peru Current<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Kuroshio (Japan Current) is a warm ocean current in the Pacific.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">18. Which ocean current is cold?<\/mark><\/strong><br>A) Gulf Stream<br>B) Brazil Current<br>C) Peru Current<br>D) North Atlantic Drift<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Peru (Humboldt) Current is a cold current along South America.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">19. The Gulf Stream flows in which ocean?<\/mark><\/strong><br>A) Indian Ocean<br>B) Pacific Ocean<br>C) Atlantic Ocean<br>D) Arctic Ocean<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Gulf Stream is a warm ocean current in the North Atlantic.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">20. The ocean current off the coast of California is<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Warm current<br>B) Cold current<br>C) Tidal current<br>D) None<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>   California Current is a cold current flowing southward.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">21. The tides are caused mainly by<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Earth\u2019s rotation<br>B) Wind action<br>C) Gravitational pull of the Moon and Sun<br>D) Ocean currents<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Tides are the periodic rise and fall of sea level due to celestial gravity.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">22. The highest tides occur during<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Quarter moon<br>B) Half moon<br>C) New moon and full moon<br>D) Eclipse<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Spring tides occur when Earth, Moon, and Sun align.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">23. The lowest tides occur during<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Quarter moon<br>B) Half moon<br>C) New moon<br>D) Full moon<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>  Neap tides occur when Moon and Sun are at right angles.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">24. Tsunamis are usually caused by<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Wind<br>B) Earthquakes under the sea<br>C) Tides<br>D) Currents<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Seismic activity on the ocean floor displaces water, causing tsunamis.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">25. The vertical movement of cold, nutrient-rich water from deep oceans to the surface is called<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Upwelling<br>B) Downwelling<br>C) Salinity gradient<br>D) Convection<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>  Upwelling increases marine productivity by bringing nutrients to surface waters.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">26. The horizontal movement of ocean water is called<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Tide<br>B) Current<br>C) Wave<br>D) Drift<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Ocean currents are horizontal movements of seawater caused by wind, Coriolis force, and salinity differences.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">27. The rhythmic rise and fall of ocean water twice a day is called<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Waves<br>B) Tsunami<br>C) Tides<br>D) Currents<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Tides are periodic vertical movements of ocean water due to Moon and Sun\u2019s gravity.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">28. Which ocean current is also called the &#8220;warm blanket of Europe&#8221;?<\/mark><\/strong><br>A) Kuroshio Current<br>B) Gulf Stream<br>C) Labrador Current<br>D) Canary Current<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Gulf Stream keeps northwestern Europe warmer than other regions at similar latitude.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">29. The movement of seawater from the surface to the deeper layers is known as<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Downwelling<br>B) Upwelling<br>C) Drift<br>D) Tidal bore<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>  Downwelling carries oxygen-rich surface water into deep oceans.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>30. The El Ni\u00f1o phenomenon is associated with which ocean?<\/strong><br><\/mark>A) Atlantic Ocean<br>B) Indian Ocean<br>C) Pacific Ocean<br>D) Arctic Ocean<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  El Ni\u00f1o is warming of central\/eastern Pacific Ocean, affecting global climate.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">31. Which ocean phenomenon is opposite to El Ni\u00f1o?<\/mark><\/strong><br>A) La Ni\u00f1a<br>B) Walker circulation<br>C) Monsoon<br>D) Upwelling<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>  La Ni\u00f1a refers to unusual cooling of eastern Pacific waters.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">32. The longest ocean current in the world is<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Gulf Stream<br>B) West Wind Drift (Antarctic Circumpolar Current)<br>C) Peru Current<br>D) North Equatorial Current<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  It flows endlessly around Antarctica, the world\u2019s longest current.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">33. The most saline water body on Earth is<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Dead Sea<br>B) Caspian Sea<br>C) Lake Van<br>D) Great Salt Lake<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>  Dead Sea has ~300\u2013350\u2030 salinity, one of the saltiest water bodies.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">34. The largest freshwater lake (by surface area) in the world is<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Lake Baikal<br>B) Lake Victoria<br>C) Lake Superior<br>D) Lake Tanganyika<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Lake Superior in North America is the largest freshwater lake by surface area.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">35. The deepest freshwater lake in the world is<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Lake Tanganyika<br>B) Lake Superior<br>C) Lake Baikal<br>D) Lake Victoria<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Lake Baikal in Russia is ~1642 m deep, the deepest freshwater lake.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">36. Which river carries the maximum water discharge in the world?<\/mark><\/strong><br>A) Nile<br>B) Amazon<br>C) Mississippi<br>D) Congo<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Amazon River discharges ~209,000 m\u00b3\/s, highest in the world.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">37. The longest river in the world is<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Nile<br>B) Amazon<br>C) Mississippi<br>D) Yangtze<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>   Nile (6,650 km) is slightly longer than Amazon (6,400 km).\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">38. Which river is known as \u201cSorrow of Bihar\u201d?<\/mark><\/strong><br>A) Yamuna<br>B) Kosi<br>C) Gandak<br>D) Ghaghara<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Kosi causes frequent floods in Bihar, earning the name \u201cSorrow of Bihar.\u201d\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">39. Which river forms the largest delta in the world?<\/mark><\/strong><br>A) Amazon<br>B) Ganga\u2013Brahmaputra<br>C) Nile<br>D) Mississippi<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  The Sundarbans delta is the largest in the world (~100,000 sq km).\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">40. Which Indian river is west-flowing and forms an estuary?<\/mark><\/strong><br>A) Ganga<br>B) Narmada<br>C) Brahmaputra<br>D) Godavari<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Narmada flows into Arabian Sea, forming an estuary instead of a delta.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">41. Which is the largest river island in the world, located in the Brahmaputra River?<\/mark><\/strong><br>A) Divar<br>B) Majuli<br>C) Srirangam<br>D) Bhavani<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Majuli in Assam is the world\u2019s largest river island.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">42. The highest waterfall in the world is<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Niagara Falls<br>B) Angel Falls<br>C) Victoria Falls<br>D) Tugela Falls<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>   Angel Falls in Venezuela plunges 979 m, highest in the world.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">43. The highest waterfall in India is<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Jog Falls<br>B) Nohkalikai Falls<br>C) Kunchikal Falls<br>D) Chitrakote Falls<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Kunchikal Falls in Karnataka (455 m) is the tallest waterfall in India.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">44. Which ocean current is responsible for bringing warm water to Western Europe?<\/mark><\/strong><br>A) Labrador Current<br>B) Gulf Stream<br>C) Benguela Current<br>D) Peru Current<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Gulf Stream and North Atlantic Drift warm Western Europe.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>45. Which ocean is called the \u201cRing of Fire\u201d due to intense seismic activity?<\/strong><br><\/mark>A) Atlantic Ocean<br>B) Pacific Ocean<br>C) Indian Ocean<br>D) Arctic Ocean<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Pacific Ocean has many volcanoes and earthquake zones, forming a &#8220;Ring of Fire.&#8221;\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">46. Which is the saltiest major ocean?<\/mark><\/strong><br>A) Atlantic Ocean<br>B) Pacific Ocean<br>C) Indian Ocean<br>D) Arctic Ocean<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>   Higher evaporation and lower inflow of rivers make Atlantic more saline.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">47. The ocean current flowing around Antarctica in clockwise direction is<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Gulf Stream<br>B) Labrador Current<br>C) West Wind Drift<br>D) Brazil Current<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>   Antarctic Circumpolar Current flows clockwise around Antarctica.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">48. Which current is known as the \u201cJapan Current\u201d?<\/mark><\/strong><br>A) Kuroshio Current<br>B) Oyashio Current<br>C) California Current<br>D) Peru Current<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>  Kuroshio is a warm current along east coast of Japan.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">49. Which is the largest gulf in the world?<\/mark><\/strong><br>A) Gulf of Mexico<br>B) Persian Gulf<br>C) Gulf of Alaska<br>D) Gulf of Aden<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>  The Gulf of Mexico (~1.6 million sq km) is the largest gulf in the world.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">50. Which is the largest bay in the world?<\/mark><\/strong><br>A) Bay of Bengal<br>B) Hudson Bay<br>C) Bay of Biscay<br>D) Chesapeake Bay<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>  Bay of Bengal is the largest bay in the world (~2.17 million sq km).\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">51. Which is the largest sea in the world?<\/mark><\/strong><br>A) Arabian Sea<br>B) South China Sea<br>C) Mediterranean Sea<br>D) Caribbean Sea<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  South China Sea (~3.5 million sq km) is the largest marginal sea.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">52. Which is the largest inland sea in the world?<\/mark><\/strong><br>A) Red Sea<br>B) Caspian Sea<br>C) Black Sea<br>D) Dead Sea<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Caspian Sea is the world\u2019s largest inland water body (~371,000 sq km).\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">53. The Aral Sea is shrinking mainly due to<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Climate change<br>B) River diversion for irrigation<br>C) High evaporation<br>D) Pollution<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Diversion of Amu Darya and Syr Darya caused drastic shrinkage.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">54. Which is the saltiest large lake in the world?<\/mark><\/strong><br>A) Dead Sea<br>B) Great Salt Lake (Utah)<br>C) Lake Assal (Djibouti)<br>D) Lake Urmia (Iran)<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Lake Assal has salinity above 340\u2030, even saltier than Dead Sea.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">55. The process by which groundwater naturally comes to the surface is called<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Artesian spring<br>B) Seepage<br>C) Geyser eruption<br>D) All of these<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D  <\/b><BR>\n<b>Explanation:<\/b>  Groundwater appears as springs, seepages, or geysers.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">56. Which is the world\u2019s longest glacier outside polar regions?<\/mark><\/strong><br>A) Siachen Glacier<br>B) Lambert Glacier<br>C) Fedchenko Glacier<br>D) Baltoro<strong> <\/strong>Glacier<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Fedchenko Glacier in Tajikistan (~77 km long) is the longest non-polar glacier.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">57. Which is the longest glacier in India?<\/mark><\/strong><br>A) Siachen Glacier<br>B) Gangotri Glacier<br>C) Baltoro Glacier<br>D) Pindari Glacier<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>   Siachen (76 km) is the longest glacier in India and second-longest outside poles.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">58. Which ocean has the widest continental shelf?<\/mark><\/strong><br>A) Atlantic Ocean<br>B) Indian Ocean<br>C) Arctic Ocean<br>D) Pacific Ocean<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Arctic Ocean has broad continental shelves, especially in Siberia.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">59. Ocean salinity is highest in<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Equatorial regions<br>B) Subtropical high-pressure zones<br>C) Polar regions<br>D) Estuaries<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  High evaporation and little rainfall increase salinity near 20\u00b0\u201330\u00b0 latitudes.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">60. Ocean salinity is lowest in<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Equatorial regions<br>B) Subtropical zones<br>C) Polar regions<br>D) Desert coasts<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Melting ice and low evaporation make polar waters less saline.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">61. Which current flows along the west coast of South America?<\/mark><\/strong><br>A) Gulf Stream<br>B) Kuroshio Current<br>C) Peru (Humboldt) Current<br>D) Canary Current<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Cold Peru Current flows northward along South America\u2019s west coast.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">62. Which current flows along the east coast of North America?<\/mark><\/strong><br>A) Labrador Current<br>B) Gulf Stream<br>C) California Current<br>D) Peru Current<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Warm Gulf Stream flows northward along North America\u2019s east coast.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">63. Which current flows along the east coast of Africa?<\/mark><\/strong><br>A) Mozambique Current<br>B) Peru Current<br>C) Canary Current<br>D) Labrador Current<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>  Mozambique Current is a warm current in the Indian Ocean.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">64. Which current flows along the west coast of Africa?<\/mark><\/strong><br>A) Canary Current<br>B) Mozambique Current<br>C) Kuroshio Current<br>D) Brazil Current<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>  Cold Canary Current flows southward along northwest Africa.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">65. Which current is also called the &#8220;Alaskan Current&#8221;?<\/mark><\/strong><br>A) Oyashio Current<br>B) North Pacific Current<br>C) Kuroshio Current<br>D) Alaska Current<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D  <\/b><BR>\n<b>Explanation:<\/b>  Alaska Current is a warm current flowing along Alaska.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">66. The Japan Current is also known as<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Oyashio Current<br>B) Kuroshio Current<br>C) Canary Current<br>D) Peru Current<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Kuroshio is called Japan Current, a warm current in the Pacific.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">67. Which current merges with Gulf Stream to form the North Atlantic Drift?<\/mark><\/strong><br>A) Labrador Current<br>B) Brazil Current<br>C) Canary Current<br>D) Florida Current<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D  <\/b><BR>\n<b>Explanation:<\/b>  Florida Current combines with Gulf Stream to form the North Atlantic Drift.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">68. Which is the largest warm current in the world?<\/mark><\/strong><br>A) Brazil Current<br>B) Gulf Stream<br>C) Kuroshio Current<br>D) Agulhas Current<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Gulf Stream transports the largest volume of warm water.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">69. Which is the largest cold current in the world?<\/mark><\/strong><br>A) Labrador Current<br>B) Oyashio Current<br>C) West Wind Drift<br>D) Peru Current<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Antarctic Circumpolar Current is the largest cold current.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">70. The Mediterranean Sea has higher salinity due to<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) High evaporation and less river inflow<br>B) High rainfall<br>C) Melting glaciers<br>D) Ocean currents<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>   Evaporation is high, and river inflow is low in the Mediterranean.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">71. Which type of tide occurs when the Sun, Moon, and Earth are in a straight line?<\/mark><\/strong><br>A) Neap tide<br>B) Spring tide<br>C) Diurnal tide<br>D) Mixed tide<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Spring tides (highest tides) occur at new moon and full moon.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">72. Which type of tide occurs when the Sun and Moon are at right angles to Earth?<\/mark><\/strong><br>A) Neap tide<br>B) Spring tide<br>C) Diurnal tide<br>D) Mixed tide<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>  Neap tides are the lowest tides, during quarter moon phases.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">73. A tidal bore is<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) A tsunami<br>B) A steep wave of incoming tide in rivers<br>C) A cyclone surge<br>D) A type of ocean current<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Tidal bore occurs in rivers with narrow estuaries, e.g., Hooghly.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">74. Which ocean has the maximum number of tsunamis?<\/mark><\/strong><br>A) Atlantic Ocean<br>B) Pacific Ocean<br>C) Indian Ocean<br>D) Arctic Ocean<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Pacific &#8220;Ring of Fire&#8221; makes it prone to earthquakes and tsunamis.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">75. The Sargasso Sea is located in<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Indian Ocean<br>B) South China Sea<br>C) North Atlantic Ocean<br>D) Pacific Ocean<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Sargasso Sea is bounded by ocean currents and contains floating Sargassum weeds.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">76. The world\u2019s largest ocean trench is<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Java Trench<br>B) Puerto Rico Trench<br>C) Mariana Trench<br>D) Tonga Trench<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Mariana Trench (~11,034 m) in the Pacific is the deepest ocean trench.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">77. Which is the longest river in India?<\/mark><\/strong><br>A) Ganga<br>B) Godavari<br>C) Brahmaputra<br>D) Narmada<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>  Ganga (2,525 km) is the longest river flowing entirely in India.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">78. Which is the largest river system in India by volume of water discharge?<\/mark><\/strong><br>A) Godavari<br>B) Ganga<br>C) Brahmaputra<br>D) Indus<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Brahmaputra carries the maximum water discharge in India.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">79. Which is the longest river in the world?<\/mark><\/strong><br>A) Amazon<br>B) Nile<br>C) Yangtze<br>D) Mississippi<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>   Nile (~6,650 km) is considered the longest, though Amazon rivals it in length.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">80. Which river forms the Sunderbans delta?<\/mark><\/strong><br>A) Ganga<br>B) Brahmaputra<br>C) Both (a) and (b)<br>D) Hooghly<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Ganga and Brahmaputra together form the world\u2019s largest delta.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">81. Which is the largest river basin in India?<\/mark><\/strong><br>A) Ganga Basin<br>B) Godavari Basin<br>C) Krishna Basin<br>D) Indus Basin<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>  Ganga Basin is the largest in India, covering ~8.6 lakh sq km.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>82. The main cause of ocean currents is<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/strong><br><\/mark>A) Gravity<br>B) Earth\u2019s rotation and wind systems<br>C) Tides<br>D) Earthquakes<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Winds, Coriolis effect, and density differences drive currents.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">83. The Labrador Current is a<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Warm current<br>B) Cold current<br>C) Tidal current<br>D) Counter current<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b>  Labrador is a cold current flowing south along Canada\u2019s coast.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">84. The Brazil Current is<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Warm current<br>B) Cold current<br>C) Tidal bore<br>D) None<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>   Brazil Current is a warm ocean current in the South Atlantic.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">85. Which sea has the lowest salinity?<\/mark><\/strong><br>A) Baltic Sea<br>B) Red Sea<br>C) Arabian Sea<br>D) Mediterranean Sea<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>   Due to river inflow and low evaporation, Baltic Sea has lowest salinity (~8\u201310\u2030).\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">86. The highest salinity is found in<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Red Sea<br>B) Arabian Sea<br>C) Mediterranean Sea<br>D) Dead Sea<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D  <\/b><BR>\n<b>Explanation:<\/b>  Dead Sea\u2019s salinity is ~300\u2013350\u2030, highest among large water bodies.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">87. Which current brings cold water along the western coast of Africa?<\/mark><\/strong><br>A) Canary Current<br>B) Agulhas Current<br>C) Brazil Current<br>D) Gulf Stream<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>  Canary Current is a cold current flowing southward.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">88. Which current is warm and flows along the east coast of Africa?<\/mark><\/strong><br>A) Mozambique Current<br>B) Canary Current<br>C) Labrador Current<br>D) Peru Current<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>  Warm Mozambique Current flows in the Indian Ocean along Africa.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">89. Which Indian lake is the largest brackish water lagoon in Asia?<\/mark><\/strong><br>A) Wular Lake<br>B) Chilika Lake<br>C) Loktak Lake<br>D) Sambhar Lake<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Chilika Lake in Odisha is Asia\u2019s largest brackish water lagoon.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">90. Which is the largest freshwater lake in India?<\/mark><\/strong><br>A) Vembanad<br>B) Wular<br>C) Dal<br>D) Loktak<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Wular Lake in Jammu &#038; Kashmir is India\u2019s largest freshwater lake.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">91. Loktak Lake, famous for floating islands (phumdis), is in<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Assam<br>B) Manipur<br>C) Kerala<br>D) Odisha<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Loktak Lake is the largest freshwater lake in northeast India.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">92. Sambhar Lake, India\u2019s largest inland salt lake, is in<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Rajasthan<br>B) Gujarat<br>C) Maharashtra<br>D) Andhra Pradesh<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>  Sambhar Lake in Rajasthan is India\u2019s largest saltwater lake.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">93. Vembanad Lake, India\u2019s longest lake, is located in<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Tamil Nadu<br>B) Kerala<br>C) Karnataka<br>D) Andhra Pradesh<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b>  Vembanad is Kerala\u2019s longest lake and part of its backwaters.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">94. Pulicat Lake, India\u2019s second largest lagoon, is located in<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">____________.<\/mark><\/strong><\/mark><\/strong><br>A) Odisha<br>B) Tamil Nadu &amp; Andhra Pradesh<br>C) Gujarat<br>D) Kerala<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Pulicat Lake lies across Tamil Nadu and Andhra Pradesh coast.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">95. Which sea has the highest salinity among large seas?<\/mark><\/strong><br>A) Red Sea<br>B) Mediterranean Sea<br>C) Black Sea<br>D) Arabian Sea<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>   Red Sea has very high salinity (~40\u2030) due to evaporation.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">96. Which Indian river is known as \u201cDakshin Ganga\u201d?<\/mark><\/strong><br>A) Krishna<br>B) Godavari<br>C) Narmada<br>D) Kaveri<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Godavari, the longest peninsular river, is called \u201cDakshin Ganga.\u201d\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">97. Which ocean current is responsible for the deserts of Chile and Peru?<\/mark><\/strong><br>A) Gulf Stream<br>B) Peru (Humboldt) Current<br>C) Labrador Current<br>D) Canary Current<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B  <\/b><BR>\n<b>Explanation:<\/b>  Cold Peru Current reduces rainfall, creating Atacama Desert.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">98. Which current influences the climate of Japan?<\/mark><\/strong><br>A) Oyashio and Kuroshio Currents<br>B) California and Peru Currents<br>C) Canary and Labrador Currents<br>D) Gulf Stream and Brazil Currents<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>   Warm Kuroshio and cold Oyashio currents meet off Japan, affecting climate and fisheries.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">99. Which is the largest island in the world?<\/mark><\/strong><br>A) Greenland<br>B) New Guinea<br>C) Borneo<br>D) Madagascar<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A  <\/b><BR>\n<b>Explanation:<\/b>  Greenland (~2.16 million sq km) is the world\u2019s largest island.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">100. Which is the largest island in India?<\/mark><\/strong><br>A) Majuli<br>B) Middle Andaman<br>C) Great Nicobar<br>D) Rameswaram<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C  <\/b><BR>\n<b>Explanation:<\/b>  Great Nicobar (~1,045 sq km) is the largest island of India.\n <\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>1. The hydrosphere refers to ____________.A) Earth\u2019s land surfaceB) Earth\u2019s gaseous envelopeC) All water on Earth (surface, underground, atmospheric)D) Earth\u2019s crust only Show Answer Answer: C Explanation: Hydrosphere includes oceans, rivers, lakes, glaciers, groundwater, and water vapor. 2. What percentage of Earth\u2019s surface is covered by water?A) 51%B) 61%C) 71%D) 81% Show Answer Answer: C<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"[]"},"categories":[11121,1,14],"tags":[14469,14470,14457,14465,14443,14451,14464,14463,14459,14461,14467,14445,14472,14448,14455,14450,14454,14452,14473,14447,14460,14444,14466,14468,14471,14442,14348,14449,14462,14453,14456,14458],"class_list":{"0":"post-13633","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-physical-geography","7":"category-blog","8":"category-geography","9":"tag-all-with-commas","10":"tag-aquifers-mcqs","11":"tag-freshwater-resources-mcqs","12":"tag-glaciers-and-ice-caps-mcqs","13":"tag-groundwater-mcqs","14":"tag-hydrological-processes-mcqs","15":"tag-hydrology-mcqs","16":"tag-hydrosphere-exam-preparation","17":"tag-hydrosphere-facts-and-figures","18":"tag-hydrosphere-for-competitive-exams","19":"tag-hydrosphere-geography-mcqs","20":"tag-hydrosphere-important-questions","21":"tag-hydrosphere-learning-material","22":"tag-hydrosphere-objective-questions","23":"tag-hydrosphere-practice-questions","24":"tag-hydrosphere-questions-and-answers","25":"tag-hydrosphere-quiz","26":"tag-hydrosphere-revision-questions","27":"tag-hydrosphere-sample-questions","28":"tag-hydrosphere-study-material","29":"tag-hydrosphere-test-questions","30":"tag-hydrosphere-top-100-mcqs","31":"tag-i-can-expand-this-list-to-50-100-keyword-tags","32":"tag-if-you-want","33":"tag-marine-geography-mcqs","34":"tag-oceans-and-seas-mcqs","35":"tag-physical-geography-mcqs","36":"tag-physical-geography-objective-questions","37":"tag-rivers-and-lakes-mcqs","38":"tag-surface-water-mcqs","39":"tag-water-cycle-mcqs","40":"tag-water-distribution-on-earth-mcqs"},"_links":{"self":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/13633","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/comments?post=13633"}],"version-history":[{"count":106,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/13633\/revisions"}],"predecessor-version":[{"id":48036,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/13633\/revisions\/48036"}],"wp:attachment":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/media?parent=13633"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/categories?post=13633"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/tags?post=13633"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}