{"id":9487,"date":"2024-06-27T07:38:21","date_gmt":"2024-06-27T06:38:21","guid":{"rendered":"https:\/\/mcqsadda.com\/?p=9487"},"modified":"2024-07-17T11:29:23","modified_gmt":"2024-07-17T10:29:23","slug":"plant-hormones-set-1","status":"publish","type":"post","link":"https:\/\/mcqsadda.com\/index.php\/2024\/06\/27\/plant-hormones-set-1\/","title":{"rendered":"Plant hormones Set &#8211; 1"},"content":{"rendered":"\n<h1 class=\"wp-block-heading has-text-align-right has-vivid-purple-color has-text-color has-link-color has-larger-font-size wp-elements-01356e235b2e5e17e320c0cdcf45d26c\">Prev       <strong><a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/06\/27\/plant-hormones-set-1\/\" title=\"\">1<\/a>        2        3        4       <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/06\/noun-set-5\/\" title=\"\"> <\/a>5<\/strong>       Next<\/h1>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-vivid-green-cyan-background-color has-background has-text-align-left wp-element-button\" href=\"https:\/\/mcqsadda.com\/index.php\/2024\/06\/27\/plant-hormones-quiz-1\/\">mock test<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. &nbsp;Plant hormones are _________.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Growth regulators<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. Growth promoters<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Growth inhibitors<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. None of above<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:A.Growth regulators<BR>\nSOLUTION :Phytohormones or plant growth hormones are classified into plant growth inhibitors and plant growth promoters. While promoters promote cell division and enlargement, inhibitors inhibit growth and facilitate dormancy and abscission in plants.<\/p>\n<\/div>egin\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. The most common auxin is _________.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. &nbsp;GA<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. ABA<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Kinetin<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. IAA<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:D.IAA<BR>\nSOLUTION:The most prevalent naturally occurring auxin in plants is Indole-3-Acetic Acid (IAA). Indole-3-Acetic Acid (IAA) is mostly synthesized in the apical buds of young shoots.<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. Gibberellin promotes cell division and elongation in ________. <\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. &nbsp;&nbsp;Leaves<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. &nbsp;&nbsp;Roots<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C.  Shoots<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D.  All of these<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER : D.All of these<BR>\nSOLUTION:Thus gibberellins promote cell elongation in roots, shoots and leaves of a plant.\n <\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. Which of the following is used for ripening of fruits ______.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Aukin<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. ABA<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Ethylene gas<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. Cytokinin<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER: C.Ethylene gas<BR>\nSOLUTION: Ethylene is a colorless, gaseous plant hormone that plays a vital role in the natural ripening of fruits.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. &nbsp;&nbsp;Induction of flowering in plants by low temperature treatment is called ________.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Vernalization<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. Photoperiodism<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Cryobiology<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. Chilozology<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:A.Vernalization<BR>\nSOLUTION:Vernalisation refers specially to the promotion of flowering by a period of low temperature.\n\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>6. &nbsp;Plant growth is ________.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. &nbsp;Limited<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. &nbsp;Unlimited<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Diffused<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. Both (1) &amp; (2)<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER: B.Unlimited<BR>\nSOLUTION: Plant growth is unlimited, meaning plants can grow continuously throughout their lives. This is because plants have meristems in certain parts of their body, and the cells of these meristems can divide and self-perpetuate.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>7. Hormone produced during leaf fall is ______.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. IAA<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. ABA<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Florigen<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. Kinetin<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:B.ABA<BR>\nSOLUTION :\nABA hormone is formed during leaf fall. It is a growth inhibiting hormone in plants which accelerates aging and inhibits germination and flowering. It also causes the closing of stomatal pore.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>8. &nbsp;Phytochrome is present in ___________.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Vascular cryptogams<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. &nbsp;Prokaryotes<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Brain cell<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. Kidney cell<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER: A.Vascular cryptogams<BR>\nSOLUTION:Phytochrome is found in flowering plants as it is a blue-green pigment that is present in plants for the detection of light and regulates certain processes in plants such as seed germination, pigment synthesis and stem growth.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>9. Certain chemical substances having profound effect on plant growth are called ______.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Catalyic agents<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. &nbsp;Phytohormones<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Enzymes<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. Compost<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:B.Phytohormones<BR>\nSOLUTION: Plant growth regulators are variously described as plant growth substances, plant hormones or phytohormones in literature.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>10. &nbsp;A pigment concerned with floral induction is ______.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Florigen<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. &nbsp;Chlorophyll<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Plastocyanin<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. &nbsp;Phytochrome<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER: D.Phytochrome<BR>\nSOLUTION:\nPhytochrome is the pigment involved in floral induction and seed germination.\n<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-vivid-green-cyan-background-color has-background has-text-align-left wp-element-button\" href=\"https:\/\/mcqsadda.com\/index.php\/2024\/06\/27\/plant-hormones-quiz-1\/\">mock test<\/a><\/div>\n<\/div>\n\n\n\n<h1 class=\"wp-block-heading has-text-align-right has-vivid-purple-color has-text-color has-link-color has-larger-font-size wp-elements-01356e235b2e5e17e320c0cdcf45d26c\">Prev       <strong><a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/06\/27\/plant-hormones-set-1\/\" title=\"\">1<\/a>        2        3        4       <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/06\/noun-set-5\/\" title=\"\"> <\/a>5<\/strong>       Next<\/h1>\n","protected":false},"excerpt":{"rendered":"<p>Prev 1 2 3 4 5 Next 1. &nbsp;Plant hormones are _________. A. Growth regulators B. Growth promoters C. Growth inhibitors D. None of above ANSWER &#038; SOLUTION ANSWER:A.Growth regulators SOLUTION :Phytohormones or plant growth hormones are classified into plant growth inhibitors and plant growth promoters. While promoters promote cell division and enlargement, inhibitors inhibit<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,19],"tags":[5010,5645,5009,5646,5002,5007,5004,4029,5623,5008,5006,5000,5001,5003],"class_list":{"0":"post-9487","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-biology","7":"category-science","8":"tag-a-pigment-concerned-with-floral-induction-is-______","9":"tag-biology-mcqs-for-sda-fda-pdo-vao-banking-kas-ias-ssc-gd-ssc-chsl-ssc-cgl-for-all-compitative-exams","10":"tag-certain-chemical-substances-having-profound-effect-on-plant-growth-are-called-______","11":"tag-exam-veda","12":"tag-gibberellin-promotes-cell-division-and-elongation-in-________","13":"tag-hormone-produced-during-leaf-fall-is-______","14":"tag-induction-of-flowering-in-plants-by-low-temperature-treatment-is-called-________","15":"tag-mcqs-adda","16":"tag-mcqs-for-sda-fda-pdo-vao-banking-kas-ias-ssc-gd-ssc-chsl-ssc-cgl-for-all-compitative-exams","17":"tag-phytochrome-is-present-in-___________","18":"tag-plant-growth-is-________","19":"tag-plant-hormones-are-_________","20":"tag-the-most-common-auxin-is-_________","21":"tag-which-of-the-following-is-used-for-ripening-of-fruits-______"},"_links":{"self":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/9487","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=9487"}],"version-history":[{"count":3,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/9487\/revisions"}],"predecessor-version":[{"id":9633,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/9487\/revisions\/9633"}],"wp:attachment":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/media?parent=9487"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/categories?post=9487"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/tags?post=9487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}