{"id":11989,"date":"2025-08-13T08:45:33","date_gmt":"2025-08-13T07:45:33","guid":{"rendered":"https:\/\/mcqsadda.com\/?p=11989"},"modified":"2026-01-12T05:16:36","modified_gmt":"2026-01-12T05:16:36","slug":"introduction-to-biology-100-mcqs-with-answer","status":"publish","type":"post","link":"https:\/\/mcqsadda.com\/index.php\/2025\/08\/13\/introduction-to-biology-100-mcqs-with-answer\/","title":{"rendered":"Introduction To Biology 100 MCQs With Answer"},"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. What is the study of living organisms called?<\/mark><\/strong><br>A) Zoology<br>B) Botany<br>C) Biology<br>D) Ecology<\/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>  Biology is the scientific study of life and living organisms.\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. Who is known as the \u201cFather of Biology\u201d?<\/mark><\/strong><br>A) Aristotle<br>B) Darwin<br>C) Linnaeus<br>D) Mendel<\/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>  Aristotle made systematic observations of living organisms, hence called Father of Biology.\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. The term \u201cBiology\u201d was first coined by:<\/mark><\/strong><br>A) Aristotle<br>B) Lamarck and Treviranus<br>C) Darwin<br>D) Hooke<\/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 word Biology was coined in the early 19th century by Lamarck and Treviranus.\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>4. Which of the following is NOT a characteristic of living things?<\/strong><br><\/mark>A) Growth<br>B) Reproduction<br>C) Photosynthesis<br>D) Response to stimuli<\/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>  Photosynthesis occurs only in plants and some microorganisms, not all living things.\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 smallest unit of life is:<\/mark><\/strong><br>A) Atom<br>B) Molecule<br>C) Cell<br>D) Tissue<\/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>  The cell is the basic structural and functional unit of life.\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\">6. Which scientist discovered the cell?<\/mark><\/strong><br>A) Robert Hooke<br>B) Anton van Leeuwenhoek<br>C) Robert Brown<br>D) Louis Pasteur<\/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>  Hooke observed cork cells under a microscope in 1665.\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. Who discovered microorganisms?<\/mark><\/strong><br>A) Pasteur<br>B) Hooke<br>C) Leeuwenhoek<br>D) Jenner<\/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>  Anton van Leeuwenhoek was the first to observe and describe microorganisms.\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. Which is NOT a unifying theme of biology?<\/mark><\/strong><br>A) Cell theory<br>B) Evolution<br>C) Gravity<br>D) Genetics<\/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>   Gravity is a physical law, not a biological unifying theme.\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. The study of heredity is called:<\/mark><\/strong><br>A) Ecology<br>B) Genetics<br>C) Taxonomy<br>D) Physiology<\/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>   Genetics deals with heredity and variation in living organisms.\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. Which branch of biology deals with classification of organisms?<\/mark><\/strong><br>A) Anatomy<br>B) Taxonomy<br>C) Morphology<br>D) Cytology<\/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>   Taxonomy involves classification, naming, and identification of organisms.\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 science that deals with relationships between organisms and their environment is:<\/mark><\/strong><br>A) Anatomy<br>B) Ecology<br>C) Embryology<br>D) Pathology<\/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>  Ecology studies interactions between organisms and their surroundings.\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. Which branch of biology focuses on the study of fungi?<\/mark><\/strong><br>A) Phycology<br>B) Mycology<br>C) Virology<br>D) Bryology<\/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>  Mycology is the scientific study of fungi.\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 study of algae is called:<\/mark><\/strong><br>A) Bryology<br>B) Phycology<br>C) Botany<br>D) Morphology<\/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>  Phycology or algology is the branch of biology dealing with algae.\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. Which one of these is a prokaryote?<\/mark><\/strong><br>A) Amoeba<br>B) Bacteria<br>C) Yeast<br>D) Paramecium<\/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>  Bacteria lack a nucleus and membrane-bound organelles, making them prokaryotic.\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. In biology, the term \u201cspecies\u201d refers to:<\/mark><\/strong><br>A) A group of similar individuals that can interbreed<br>B) A group of organisms with similar DNA only<br>C) Any animals living together<br>D) Plants only<\/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>  A species consists of organisms capable of producing fertile offspring.\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 term \u201cbinomial nomenclature\u201d refers to:<\/mark><\/strong><br>A) Double-stranded DNA<br>B) Two-part scientific naming of organisms<br>C) Division of cells<br>D) None of the above<\/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>  Developed by Linnaeus, binomial nomenclature uses genus and species names.\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 is the correct scientific name format?<\/mark><\/strong><br>A) HOMO SAPIENS<br>B) Homo sapiens<br>C) homo sapiens<br>D) Homo Sapiens<\/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 genus is capitalized, species is lowercase, both italicized.\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 branch of biology deals with viruses?<\/mark><\/strong><br>A) Mycology<br>B) Virology<br>C) Bacteriology<br>D) Protozoology<\/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>  Virology is the study of viruses and viral diseases.\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 study of ancient life through fossils is called:<\/mark><\/strong><br>A) Anthropology<br>B) Paleontology<br>C) Archaeology<br>D) Histology<\/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>  Paleontology studies life forms from the geological past through fossils.\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. Which process do plants use to make their food?<\/mark><\/strong><br>A) Respiration<br>B) Photosynthesis<br>C) Digestion<br>D) Fermentation<\/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>   Photosynthesis uses sunlight to convert CO\u2082 and water into glucose.\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. Which is NOT a eukaryotic organism?<\/mark><\/strong><br>A) Yeast<br>B) Mushroom<br>C) Cyanobacteria<br>D) Amoeba<\/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>  Cyanobacteria are prokaryotic photosynthetic bacteria.\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. Which molecule carries genetic information in most living things?<\/mark><\/strong><br>A) RNA<br>B) DNA<br>C) Protein<br>D) Lipid<\/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>  DNA stores genetic information for development and functioning.\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 first step in the scientific method is:<\/mark><\/strong><br>A) Experimentation<br>B) Observation<br>C) Hypothesis formation<br>D) Data analysis<\/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>   Observation leads to questions that start the scientific process.\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>24. Which scientist proposed the theory of evolution by natural selection?<\/strong><br><\/mark>A) Lamarck<br>B) Darwin<br>C) Mendel<br>D) Wallace<\/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>  Charles Darwin\u2019s theory emphasized survival and reproduction of the fittest.\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. Which branch of biology deals with the structure of organisms?<\/mark><\/strong><br>A) Physiology<br>B) Morphology<br>C) Anatomy<br>D) Cytology<\/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>  Morphology studies the form and structure of organisms.\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 study of birds is called:<\/mark><\/strong><br>A) Ornithology<br>B) Entomology<br>C) Herpetology<br>D) Ichthyology<\/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>  Ornithology is the scientific study of birds.\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. Which branch of biology studies fish?<\/mark><\/strong><br>A) Herpetology<br>B) Ichthyology<br>C) Limnology<br>D) Mycology<\/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>  Ichthyology deals with the biology of fishes.\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. The study of insects is called:<\/mark><\/strong><br>A) Entomology<br>B) Ecology<br>C) Entophyte science<br>D) Taxonomy<\/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>  Entomology focuses on insects and their biology.\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 study of reptiles and amphibians is:<\/mark><\/strong><br>A) Herpetology<br>B) Ornithology<br>C) Arachnology<br>D) Helminthology<\/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>  Herpetology deals with amphibians and reptiles.\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\">30. The branch of biology dealing with the ocean and marine life is:<\/mark><\/strong><br>A) Oceanography<br>B) Marine biology<br>C) Limnology<br>D) Hydrobiology<\/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>  Marine biology studies organisms in the ocean and other marine environments.\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. The study of tissues is called:<\/mark><\/strong><br>A) Histology<br>B) Cytology<br>C) Anatomy<br>D) Morphology<\/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>  Histology examines the microscopic structure of tissues.\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 study of human populations is called:<\/mark><\/strong><br>A) Anthropology<br>B) Demography<br>C) Sociology<br>D) Ecology<\/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>  Demography is the statistical study of populations.\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. Pathology is the branch of biology that studies:<\/mark><\/strong><br>A) Parasites<br>B) Diseases<br>C) Tissues<br>D) Fossils<\/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>  Pathology investigates the causes, processes, and effects of diseases.\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. Which branch studies the interaction of organisms in freshwater ecosystems?<\/mark><\/strong><br>A) Oceanography<br>B) Limnology<br>C) Marine biology<br>D) Hydrology<\/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>   Limnology is the study of freshwater bodies like lakes and rivers.\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 study of mammals is called:<\/mark><\/strong><br>A) Mammalogy<br>B) Zoology<br>C) Veterinary science<br>D) Cytology<\/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>  Mammalogy focuses on the biology of mammals.\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 branch deals with the study of viruses?<\/mark><\/strong><br>A) Virology<br>B) Mycology<br>C) Bacteriology<br>D) Protozoology<\/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>  Virology studies viruses and their interactions with hosts.\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. Which branch of biology deals with the classification of organisms?<\/mark><\/strong><br>A) Morphology<br>B) Cytology<br>C) Taxonomy<br>D) Ecology<\/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>  Taxonomy involves naming, classifying, and categorizing living organisms.\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 branch focuses on the study of fungi?<\/mark><\/strong><br>A) Mycology<br>B) Bryology<br>C) Phycology<br>D) Protozoology<\/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>  Mycology studies fungi, including molds, yeasts, and mushrooms.\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. The study of mosses and liverworts is called:<\/mark><\/strong><br>A) Bryology<br>B) Phycology<br>C) Mycology<br>D) Botany<\/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>  Bryology deals with non-vascular plants like mosses.\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>40. Which branch studies plant diseases?<\/strong><br><\/mark>A) Plant pathology<br>B) Agronomy<br>C) Horticulture<br>D) Phytology<\/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>  Plant pathology studies the causes and control of plant diseases.\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 branch studies parasites?<\/mark><\/strong><br>A) Helminthology<br>B) Parasitology<br>C) Pathology<br>D) Virology<\/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>  Parasitology studies parasites and their relationship with hosts.\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 study of ancient human cultures through remains is called:<\/mark><\/strong><br>A) Archaeology<br>B) Anthropology<br>C) Paleontology<br>D) Histology<\/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>  Archaeology studies past human societies through artifacts and remains.\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. Anthropology deals with:<\/mark><\/strong><br>A) Human evolution and culture<br>B) Animals only<br>C) Plants only<br>D) Microbes only<\/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>  Anthropology studies human origin, evolution, and cultural development.\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 branch focuses on the study of embryos and development?<\/mark><\/strong><br>A) Embryology<br>B) Cytology<br>C) Histology<br>D) Morphology<\/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>  Embryology studies the development of embryos from fertilization.\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\">45. Which branch studies bacteria?<\/mark><\/strong><br>A) Virology<br>B) Bacteriology<br>C) Mycology<br>D) Protozoology<\/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>  Bacteriology examines the structure, function, and classification of bacteria.\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. The study of protozoa is called:<\/mark><\/strong><br>A) Virology<br>B) Bacteriology<br>C) Protozoology<br>D) Mycology<\/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>  Protozoology deals with single-celled eukaryotic organisms.\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 branch that studies insects affecting crops is:<\/mark><\/strong><br>A) Economic entomology<br>B) Pestology<br>C) Agronomy<br>D) Horticulture<\/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>  Economic entomology focuses on insect pests and their control.\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 branch studies the spread of diseases in populations?<\/mark><\/strong><br>A) Epidemiology<br>B) Pathology<br>C) Immunology<br>D) Virology<\/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>  Epidemiology investigates how diseases spread and can be controlled.\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>49. Which branch studies immunity and the immune system?<\/strong><br><\/mark>A) Pathology<br>B) Immunology<br>C) Epidemiology<br>D) Bacteriology<\/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>  Immunology examines the body\u2019s defense mechanisms against diseases.\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. The study of the nervous system is called:<\/mark><\/strong><br>A) Neurology<br>B) Psychology<br>C) Anatomy<br>D) Physiology<\/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>  Neurology focuses on the structure and function of the nervous system.\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. The basic unit of life is:<\/mark><\/strong><br>A) Atom<br>B) Cell<br>C) Tissue<br>D) Organ<\/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 cell is the smallest structural and functional unit of life.\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. The scientist who discovered cells was:<\/mark><\/strong><br>A) Robert Hooke<br>B) Anton van Leeuwenhoek<br>C) Louis Pasteur<br>D) Matthias Schleiden<\/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>   In 1665, Hooke observed cork cells under a microscope and named them &#8220;cells.&#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\">53. Which scientist is called the father of microbiology?<\/mark><\/strong><br>A) Robert Koch<br>B) Louis Pasteur<br>C) Anton van Leeuwenhoek<br>D) Aristotle<\/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>  Leeuwenhoek developed microscopes and observed microorganisms.\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. The cell theory was given by:<\/mark><\/strong><br>A) Darwin &amp; Wallace<br>B) Schleiden &amp; Schwann<br>C) Hooke &amp; Pasteur<br>D) Koch &amp; Jenner<\/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>  They proposed that all living things are made of cells and cell products.\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. Which cell organelle is known as the \u201cpowerhouse of the cell\u201d?<\/mark><\/strong><br>A) Nucleus<br>B) Ribosome<br>C) Mitochondria<br>D) Golgi apparatus<\/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>  Mitochondria generate ATP through respiration, providing energy to the cell.\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. Ribosomes are responsible for:<\/mark><\/strong><br>A) DNA replication<br>B) Protein synthesis<br>C) Lipid storage<br>D) Photosynthesis<\/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>  Ribosomes are the sites where proteins are built from amino acids.\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 organelle is called the \u201ccontrol center\u201d of the cell?<\/mark><\/strong><br>A) Mitochondria<br>B) Nucleus<br>C) Endoplasmic reticulum<br>D) Golgi body<\/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 nucleus stores genetic material and controls cell activities.\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 of the following is present only in plant cells?<\/mark><\/strong><br>A) Nucleus<br>B) Cell wall<br>C) Mitochondria<br>D) Cytoplasm<\/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>   Plant cells have a rigid cell wall made of cellulose.\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. Chloroplasts are responsible for:<\/mark><\/strong><br>A) Respiration<br>B) Photosynthesis<br>C) Protein synthesis<br>D) Digestion<\/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>  Chloroplasts contain chlorophyll to capture light energy for making food.\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. Which organelle packages and transports cell products?<\/mark><\/strong><br>A) Lysosome<br>B) Golgi apparatus<br>C) Ribosome<br>D) Endoplasmic reticulum<\/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 Golgi apparatus modifies, stores, and ships proteins and lipids.\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 type of cell lacks a nucleus?<\/mark><\/strong><br>A) Plant cell<br>B) Animal cell<br>C) Prokaryotic cell<br>D) Eukaryotic cell<\/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>   Prokaryotic cells (like bacteria) do not have a nucleus.\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. The jelly-like substance inside the cell is called:<\/mark><\/strong><br>A) Nucleoplasm<br>B) Cytoplasm<br>C) Mitochondria<br>D) Vacuole<\/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 cytoplasm surrounds organelles and provides a medium for reactions.\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. The fluid mosaic model explains the structure of:<\/mark><\/strong><br>A) Nucleus<br>B) Cell wall<br>C) Cell membrane<br>D) Mitochondria<\/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>  The model describes the flexible, lipid-bilayer structure with proteins.\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 organelle contains digestive enzymes?<\/mark><\/strong><br>A) Ribosome<br>B) Lysosome<br>C) Golgi apparatus<br>D) Endoplasmic reticulum<\/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>  Lysosomes break down waste and cellular debris.\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. The process by which plants prepare food is called:<\/mark><\/strong><br>A) Respiration<br>B) Photosynthesis<br>C) Transpiration<br>D) Germination<\/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>  Plants use sunlight, CO\u2082, and water to produce glucose and oxygen.\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. Photosynthesis occurs in which cell organelle?<\/mark><\/strong><br>A) Mitochondria<br>B) Chloroplast<br>C) Golgi apparatus<br>D) Ribosome<\/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>  Chloroplasts have chlorophyll that absorbs sunlight for photosynthesis.\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 gas is released during photosynthesis?<\/mark><\/strong><br>A) Oxygen<br>B) Carbon dioxide<br>C) Nitrogen<br>D) Hydrogen<\/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>  Oxygen is a byproduct of photosynthesis in plants.\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 process releases energy in cells?<\/mark><\/strong><br>A) Photosynthesis<br>B) Respiration<br>C) Transpiration<br>D) Osmosis<\/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>  Respiration breaks down glucose to produce ATP energy.\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. The energy currency of the cell is:<\/mark><\/strong><br>A) DNA<br>B) ATP<br>C) RNA<br>D) Protein<\/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>  ATP (adenosine triphosphate) stores and provides energy for cell work.\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. Which process involves the movement of water across a membrane?<\/mark><\/strong><br>A) Diffusion<br>B) Osmosis<br>C) Active transport<br>D) Respiration<\/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>  Osmosis is the passive movement of water molecules through a semipermeable membrane.\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. The process by which substances move from high to low concentration is:<\/mark><\/strong><br>A) Osmosis<br>B) Diffusion<br>C) Active transport<br>D) Respiration<\/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>  Diffusion is the passive spread of particles from high to low concentration.\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. The site of aerobic respiration in cells is:<\/mark><\/strong><br>A) Cytoplasm<br>B) Nucleus<br>C) Mitochondria<br>D) Ribosome<\/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>  Aerobic respiration occurs in mitochondria, producing ATP.\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. Which pigment gives plants their green color?<\/mark><\/strong><br>A) Xanthophyll<br>B) Carotene<br>C) Chlorophyll<br>D) Anthocyanin<\/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>  Chlorophyll absorbs red and blue light, reflecting green light.\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. The process of removing waste products from the body is called:<\/mark><\/strong><br>A) Excretion<br>B) Secretion<br>C) Respiration<br>D) Filtration<\/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>  Excretion eliminates metabolic wastes like urea and CO\u2082.\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 process of losing water vapor from plant leaves is called:<\/mark><\/strong><br>A) Photosynthesis<br>B) Transpiration<br>C) Respiration<br>D) Absorption<\/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>  Transpiration helps plants cool and maintain water balance.\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 largest organ in the human body is:<\/mark><\/strong><br>A) Heart<br>B) Liver<br>C) Skin<br>D) Lungs<\/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>  The skin covers the entire body and protects internal organs.\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. The structural and functional unit of the kidney is:<\/mark><\/strong><br>A) Nephron<br>B) Alveolus<br>C) Neuron<br>D) Glomerulus<\/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>  Nephrons filter blood and form urine.\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 organ in the human body purifies blood?<\/mark><\/strong><br>A) Kidney<br>B) Liver<br>C) Heart<br>D) Lungs<\/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>  Kidneys remove wastes from blood and regulate water balance.\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. The human heart has how many chambers?<\/mark><\/strong><br>A) Two<br>B) Three<br>C) Four<br>D) Five<\/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>  The heart has two atria and two ventricles for efficient blood circulation.\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 blood cells fight infections?<\/mark><\/strong><br>A) RBCs<br>B) WBCs<br>C) Platelets<br>D) Plasma<\/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>  White blood cells are part of the immune system.\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. Red blood cells contain:<\/mark><\/strong><br>A) Hemoglobin<br>B) Chlorophyll<br>C) Plasma<br>D) Myoglobin<\/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>  Hemoglobin carries oxygen from lungs to body tissues.\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\">82. The smallest bone in the human body is:<\/mark><\/strong><br>A) Stapes<br>B) Femur<br>C) Radius<br>D) Ulna<\/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 stapes bone in the middle ear helps in hearing.\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. Which organ is known as the \u201cmaster gland\u201d?<\/mark><\/strong><br>A) Thyroid<br>B) Pituitary gland<br>C) Adrenal gland<br>D) Pancreas<\/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 controls the functions of other endocrine glands.\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 organ responsible for producing insulin is:<\/mark><\/strong><br>A) Liver<br>B) Pancreas<br>C) Kidney<br>D) Spleen<\/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>  Insulin regulates blood sugar levels.\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>85. Which part of the brain controls balance and posture?<\/strong><br><\/mark>A) Cerebrum<br>B) Cerebellum<br>C) Medulla oblongata<br>D) Thalamus<\/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 cerebellum coordinates voluntary movements and balance.\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 functional unit of the nervous system is:<\/mark><\/strong><br>A) Axon<br>B) Neuron<br>C) Dendrite<br>D) Synapse<\/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>   Neurons transmit electrical impulses throughout the body.\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 system transports oxygen and nutrients in the body?<\/mark><\/strong><br>A) Nervous system<br>B) Circulatory system<br>C) Digestive system<br>D) Skeletal system<\/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 circulatory system uses blood to carry oxygen and nutrients.\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. The largest artery in the human body is:<\/mark><\/strong><br>A) Pulmonary artery<br>B) Aorta<br>C) Carotid artery<br>D) Femoral artery<\/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 aorta carries oxygen-rich blood from the heart to the body.\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 vitamin is produced in the skin with sunlight exposure?<\/mark><\/strong><br>A) Vitamin A<br>B) Vitamin B12<br>C) Vitamin C<br>D) Vitamin D<\/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>  UV rays help synthesize vitamin D in the skin.\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 disease is caused by the deficiency of vitamin C?<\/mark><\/strong><br>A) Rickets<br>B) Night blindness<br>C) Scurvy<br>D) Beriberi<\/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>  Scurvy causes bleeding gums and weakness due to lack of vitamin C.\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. The process of breaking down food into simpler substances is:<\/mark><\/strong><br>A) Absorption<br>B) Digestion<br>C) Assimilation<br>D) Ingestion<\/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>  Digestion converts complex food molecules into simple ones for absorption.\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. Which enzyme is present in saliva?<\/mark><\/strong><br>A) Amylase<br>B) Pepsin<br>C) Lipase<br>D) Trypsin<\/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>  Salivary amylase breaks down starch into sugars.\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. The organ that stores bile is:<\/mark><\/strong><br>A) Liver<br>B) Gallbladder<br>C) Pancreas<br>D) Stomach<\/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>  Bile is stored in the gallbladder and released for fat digestion.\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. Which blood group is the universal donor?<\/mark><\/strong><br>A) A<br>B) B<br>C) AB<br>D) O negative<\/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>  O negative blood can be given to patients of any blood group.\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 blood group is the universal recipient?<\/mark><\/strong><br>A) A<br>B) B<br>C) AB positive<br>D) O positive<\/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>  AB positive can receive blood from all other groups.\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 organ filters and cleans the lymph fluid?<\/mark><\/strong><br>A) Spleen<br>B) Kidney<br>C) Liver<br>D) Pancreas<\/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 spleen helps fight infection and filters blood and lymph.\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. The largest part of the human brain is:<\/mark><\/strong><br>A) Cerebellum<br>B) Cerebrum<br>C) Medulla oblongata<br>D) Hypothalamus<\/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 cerebrum controls thinking, memory, senses, and voluntary actions.\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 muscle is responsible for breathing?<\/mark><\/strong><br>A) Triceps<br>B) Biceps<br>C) Diaphragm<br>D) Quadriceps<\/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>  The diaphragm contracts and relaxes to help inhale and exhale air.\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 basic structural unit of the human body?<\/mark><\/strong><br>A) Organ<br>B) Tissue<br>C) Cell<br>D) System<\/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>   Cells are the smallest building blocks of the body.\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 branch of biology deals with the study of human beings?<\/mark><\/strong><br>A) Botany<br>B) Zoology<br>C) Anthropology<br>D) Microbiology<\/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>  Anthropology studies humans, their evolution, and societies.\n <\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>1. What is the study of living organisms called?A) ZoologyB) BotanyC) BiologyD) Ecology Show Answer Answer: C Explanation: Biology is the scientific study of life and living organisms. 2. Who is known as the \u201cFather of Biology\u201d?A) AristotleB) DarwinC) LinnaeusD) Mendel Show Answer Answer: A Explanation: Aristotle made systematic observations of living organisms, hence called<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,1],"tags":[16144,16152,16151,16133,16155,16154,16147,16158,16139,16138,16149,16137,16146,16135,16150,16157,16142,16130,16145,16131,16136,16156,16141,16153,16134,16132,16143,16140,16148],"class_list":{"0":"post-11989","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-biology","7":"category-blog","8":"tag-animal-biology-basics","9":"tag-biology-concepts","10":"tag-biology-learning","11":"tag-biology-mcqs","12":"tag-biology-preparation-material","13":"tag-biology-questions-and-answers","14":"tag-biology-quiz","15":"tag-biology-revision","16":"tag-biology-study-material","17":"tag-botany-basics","18":"tag-branches-of-biology","19":"tag-cell-theory","20":"tag-characteristics-of-life","21":"tag-competitive-exam-biology","22":"tag-evolution-basics","23":"tag-genetics-overview","24":"tag-human-biology-introduction","25":"tag-introduction-to-biology","26":"tag-life-processes","27":"tag-life-science","28":"tag-living-organisms","29":"tag-mcqs-for-biology-exam","30":"tag-microbiology","31":"tag-plant-biology-basics","32":"tag-psc-biology-mcqs","33":"tag-ssc-biology-mcqs","34":"tag-structure-of-cells","35":"tag-upsc-biology-mcqs","36":"tag-zoology-basics"},"_links":{"self":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/11989","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=11989"}],"version-history":[{"count":102,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/11989\/revisions"}],"predecessor-version":[{"id":35215,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/11989\/revisions\/35215"}],"wp:attachment":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/media?parent=11989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/categories?post=11989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/tags?post=11989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}