{"id":727090,"date":"2024-07-24T12:17:51","date_gmt":"2024-07-24T06:47:51","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=727090"},"modified":"2025-07-31T15:45:45","modified_gmt":"2025-07-31T10:15:45","slug":"plant-hormones","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/","title":{"rendered":"Plant Hormones"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#Plant_Hormones_Definition\" title=\"Plant Hormones Definition\">Plant Hormones Definition<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#What_are_the_main_types_and_functions_of_plant_hormones\" title=\"What are the main types and functions of plant hormones?\">What are the main types and functions of plant hormones?<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#Auxin_Hormone\" title=\"Auxin Hormone\">Auxin Hormone<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#Functions\" title=\"Functions\">Functions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#Cytokinins_Hormone\" title=\"Cytokinins Hormone\">Cytokinins Hormone<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#Functions-2\" title=\"Functions\">Functions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#Gibberellins_Hormone\" title=\"Gibberellins Hormone\">Gibberellins Hormone<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#Functions-3\" title=\"Functions\">Functions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#Abscisic_Acid_Function\" title=\"Abscisic Acid Function\">Abscisic Acid Function<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#Functions-4\" title=\"Functions\">Functions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#Ethylene_Plant_Hormone\" title=\"Ethylene Plant Hormone\">Ethylene Plant Hormone<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#Functions-5\" title=\"Functions\">Functions<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#FAQs_on_Plant_Hormones\" title=\"FAQs on Plant Hormones\">FAQs on Plant Hormones<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#What_are_the_5_plant_hormones\" title=\"What are the 5 plant hormones?\">What are the 5 plant hormones?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#What_are_the_7_plant_hormones\" title=\"What are the 7 plant hormones?\">What are the 7 plant hormones?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#What_are_the_plant_hormones_class_10\" title=\"What are the plant hormones class 10?\">What are the plant hormones class 10?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#Which_of_the_following_is_a_plant_hormone\" title=\"Which of the following is a plant hormone?\">Which of the following is a plant hormone?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#Which_hormone_promotes_cell_division_in_plants\" title=\"Which hormone promotes cell division in plants?\">Which hormone promotes cell division in plants?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#Which_plant_hormone_promotes_cell_division\" title=\"Which plant hormone promotes cell division?\">Which plant hormone promotes cell division?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/infinitylearn.com\/surge\/science\/plant-hormones\/#Give_an_example_of_a_plant_hormone_that_promotes_growth\" title=\"Give an example of a plant hormone that promotes growth.\">Give an example of a plant hormone that promotes growth.<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p>Phytohormones are trace chemical compounds in plants that control development, growth, longevity, and reproduction. This article explores the structure and functions of key phytohormones such as <a href=\"https:\/\/infinitylearn.com\/surge\/biology\/auxin\/\"><strong>auxins<\/strong><\/a>, gibberellins, cytokinins, <strong>ethylene<\/strong>, and <strong>abscisic acid<\/strong>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Plant_Hormones_Definition\"><\/span>Plant Hormones Definition<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Plant hormones, also known as phytohormones, are chemical compound produced in small amounts that regulate various physiological processes in plants. They control growth, development, and responses to environmental stimuli by influencing processes such as cell division, elongation, differentiation, and stress responses.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_are_the_main_types_and_functions_of_plant_hormones\"><\/span>What are the main types and functions of plant hormones?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Plant hormones regulate essential growth and development processes, including cell division, enlargement, flowering, <strong>seed formation<\/strong>, dormancy, and abscission.<\/p>\n<p>They are classified into two categories based on their function:<\/p>\n<ul>\n<li><strong>Plant Growth Promoters<\/strong><\/li>\n<li><strong>Plant Growth Inhibitors<\/strong><\/li>\n<\/ul>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-727097\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/function-of-plant-hormone.png\" alt=\"function of plant hormone\" width=\"620\" height=\"381\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/function-of-plant-hormone.png 620w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/function-of-plant-hormone-300x184.png 300w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/function-of-plant-hormone-150x92.png 150w\" sizes=\"(max-width: 620px) 100vw, 620px\" \/><\/p>\n<p style=\"text-align: center;\"><em><strong>Also Check: <a href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-10-plant-hormones\/\">30+ MCQs on Plant Hormones Class 10<\/a><\/strong><\/em><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Auxin_Hormone\"><\/span>Auxin Hormone<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Auxins<\/strong>, derived from the Greek word meaning \u201cto grow,\u201d are crucial in agriculture and <strong>horticulture<\/strong> for promoting plant growth. They are primarily located in the growing tips of roots and stems, from where they travel to other parts of the plant to exert their effects.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-727098\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/auxin.png\" alt=\"auxin\" width=\"238\" height=\"212\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/auxin.png 238w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/auxin-150x134.png 150w\" sizes=\"(max-width: 238px) 100vw, 238px\" \/><\/p>\n<p><strong>Natural Auxins:<\/strong><\/p>\n<ul>\n<li>Indole-3-<strong>acetic acid<\/strong> (IAA)<\/li>\n<li>Indole <strong>butyric acid<\/strong> (IBA)<\/li>\n<\/ul>\n<p><strong>Synthetic Auxins:<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/infinitylearn.com\/question-answer\/2-4-dichlorophenoxyacetic-acid-is-used-as-628f598a9aea8d8256e2d896\"><strong>2,4-Dichlorophenoxyacetic acid (2,4-D)<\/strong><\/a><\/li>\n<li><strong>Naphthalene<\/strong> acetic acid (NAA)<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Functions\"><\/span>Functions<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Cell Elongation: Promotes elongation of <strong>stems<\/strong> and <a href=\"https:\/\/infinitylearn.com\/surge\/science\/roots-system\/\"><strong>roots<\/strong><\/a>.<\/li>\n<li>Apical Dominance: IAA in the apical bud inhibits lateral bud growth.<\/li>\n<li>Parthenocarpy Induction: Facilitates fruit development without fertilization, such as in <a href=\"https:\/\/infinitylearn.com\/surge\/science\/tomato-scientific-name\/\"><strong>tomatoes<\/strong><\/a>.<\/li>\n<li>Prevents Premature Drop: Reduces early shedding of <strong>leaves<\/strong>, <a href=\"https:\/\/infinitylearn.com\/surge\/english\/flowers-name\/\"><strong>flowers<\/strong><\/a>, and <a href=\"https:\/\/infinitylearn.com\/surge\/english\/fruits-name\/\"><strong>fruits<\/strong><\/a>.<\/li>\n<li>Stem Cuttings and Grafting: Aids in rooting initiation during these processes.<\/li>\n<li>Flowering Promotion: Encourages flowering in plants like pineapples.<\/li>\n<li>Herbicide Use: 2,4-D effectively kills dicot weeds without harming monocots.<\/li>\n<li>Cell Division and Xylem Differentiation: Supports <strong>cell division<\/strong> and the formation of <strong>xylem<\/strong><\/li>\n<\/ul>\n<p style=\"text-align: center;\"><em><strong>Also Read: <a href=\"https:\/\/infinitylearn.com\/surge\/biology\/difference-between-auxin-and-gibberellin\/\">Difference Between Auxin And Gibberellin<\/a><\/strong><\/em><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cytokinins_Hormone\"><\/span>Cytokinins Hormone<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Cytokinins are crucial for the cytokinesis process, primarily synthesized in plant regions with rapid cell division like root tips, shoot buds, and young fruits. They move basipetally and polar. Natural cytokinins include zeatin (from corn kernels and coconut milk) and isopentenyladenine, while synthetic ones are kinetin, benzyladenine, diphenylurea, and thidiazuron.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone wp-image-727099\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/Cytokinins-Hormone.png\" alt=\"Cytokinins Hormone\" width=\"406\" height=\"489\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/Cytokinins-Hormone.png 1753w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/Cytokinins-Hormone-249x300.png 249w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/Cytokinins-Hormone-850x1024.png 850w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/Cytokinins-Hormone-768x925.png 768w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/Cytokinins-Hormone-1275x1536.png 1275w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/Cytokinins-Hormone-1700x2048.png 1700w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/Cytokinins-Hormone-150x181.png 150w\" sizes=\"(max-width: 406px) 100vw, 406px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Functions-2\"><\/span>Functions<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>It encourages lateral and adventitious shoot growth, aiding in initiating shoot development in culture.<\/li>\n<li>It helps overcome apical dominance caused by auxins.<\/li>\n<li>Stimulates chloroplast formation in leaves.<\/li>\n<li>It promotes nutrient mobilization and delays leaf senescence.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Gibberellins_Hormone\"><\/span>Gibberellins Hormone<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>There are more than 100 gibberellins (e.g., GA<sub>1<\/sub>, GA<sub>2<\/sub>, GA<sub>3<\/sub>, etc.) are known, characterized by their acidic nature. They are found in higher plants and fungi.<\/p>\n<p><a href=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/Gibberellins-Hormone.webp\"><img loading=\"lazy\" class=\"alignnone wp-image-727100\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/Gibberellins-Hormone.webp\" alt=\"Gibberellins Hormone\" width=\"600\" height=\"324\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/Gibberellins-Hormone.webp 306w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/Gibberellins-Hormone-300x162.webp 300w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/07\/Gibberellins-Hormone-150x81.webp 150w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Functions-3\"><\/span>Functions<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Promotes bolting<\/strong>: Encourages rapid internode elongation in rosette plants, such as cabbage and beet, just before flowering.<\/li>\n<li><strong>Delays senescence<\/strong>: Slows down the aging process in plants.<\/li>\n<li><strong>Induces parthenocarpy<\/strong>: Stimulates fruit development without fertilization.<\/li>\n<li><strong>Elongates the stem<\/strong>: Reverses dwarfism by increasing stem length.<\/li>\n<li><strong>Induces maleness<\/strong>: Promotes male characteristics in certain plants, like cannabis.<\/li>\n<li><strong>Stimulates enzyme formation<\/strong>: Enhances the production of hydrolytic enzymes like lipase and amylase in germinating cereal grains and barley seeds.<\/li>\n<li><strong>Breaks seed dormancy<\/strong>: Facilitates the germination of seeds by overcoming dormancy.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Abscisic_Acid_Function\"><\/span>Abscisic Acid Function<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>It is a growth-inhibiting hormone that acts as an antagonist to GAs, inhibiting plant metabolism and regulating abscission and dormancy. Often called the &#8220;stress hormone,&#8221; it enhances plant tolerance.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Functions-4\"><\/span>Functions<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Promotes leaf and fruit abscission<\/li>\n<li>Suppresses seed germination<\/li>\n<li>Triggers leaf senescence<\/li>\n<li>Enhances seed dormancy for storage<\/li>\n<li>Stimulates stomatal closure to reduce transpiration during water stress<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Ethylene_Plant_Hormone\"><\/span>Ethylene Plant Hormone<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>It functions both as a growth promoter and inhibitor. Present in gaseous form, it is produced in ripening fruits and aging tissues. This hormone regulates various physiological processes and is extensively used in agriculture.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Functions-5\"><\/span>Functions<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Accelerates fruit ripening.<\/li>\n<li>Regulates leaf epinasty.<\/li>\n<li>Overcomes seed and bud dormancy.<\/li>\n<li>Promotes rapid petiole and internode elongation.<\/li>\n<li>Encourages leaf and flower senescence and abscission.<\/li>\n<li>Enhances root growth and root hair development, increasing absorption.<\/li>\n<li>Induces female characteristics in monoecious plants.<\/li>\n<li>Facilitates apical hook formation in dicot seedlings.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"FAQs_on_Plant_Hormones\"><\/span>FAQs on Plant Hormones<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_are_the_5_plant_hormones\"><\/span>What are the 5 plant hormones?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tAuxins, Gibberellins, Cytokinins, Abscisic Acid (ABA), Ethylene.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_are_the_7_plant_hormones\"><\/span>What are the 7 plant hormones?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tAuxins, Gibberellins, Cytokinins, Abscisic Acid (ABA), Ethylene, Brassinosteroids, Jasmonic Acid.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_are_the_plant_hormones_class_10\"><\/span>What are the plant hormones class 10?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tAuxins, Gibberellins, Cytokinins, Abscisic Acid (ABA), Ethylene.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Which_of_the_following_is_a_plant_hormone\"><\/span>Which of the following is a plant hormone?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tIt include Auxins, Gibberellins, Cytokinins, Abscisic Acid, and Ethylene.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Which_hormone_promotes_cell_division_in_plants\"><\/span>Which hormone promotes cell division in plants?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tCytokinins promote cell division in plants.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Which_plant_hormone_promotes_cell_division\"><\/span>Which plant hormone promotes cell division?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tCytokinins promote cell division.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Give_an_example_of_a_plant_hormone_that_promotes_growth\"><\/span>Give an example of a plant hormone that promotes growth.<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tAuxins and Gibberellins are examples of plant hormones that promote growth.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\n<script type=\"application\/ld+json\">\n\t{\n\t\t\"@context\": \"https:\/\/schema.org\",\n\t\t\"@type\": \"FAQPage\",\n\t\t\"mainEntity\": [\n\t\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What are the 5 plant hormones?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Auxins, Gibberellins, Cytokinins, Abscisic Acid (ABA), Ethylene.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What are the 7 plant hormones?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Auxins, Gibberellins, Cytokinins, Abscisic Acid (ABA), Ethylene, Brassinosteroids, Jasmonic Acid.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What are the plant hormones class 10?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Auxins, Gibberellins, Cytokinins, Abscisic Acid (ABA), Ethylene.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Which of the following is a plant hormone?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"It include Auxins, Gibberellins, Cytokinins, Abscisic Acid, and Ethylene.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Which hormone promotes cell division in plants?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Cytokinins promote cell division in plants.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Which plant hormone promotes cell division?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Cytokinins promote cell division.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Give an example of a plant hormone that promotes growth.\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Auxins and Gibberellins are examples of plant hormones that promote growth.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t\t\t\t]\n\t}\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>Phytohormones are trace chemical compounds in plants that control development, growth, longevity, and reproduction. This article explores the structure and [&hellip;]<\/p>\n","protected":false},"author":52,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"Plant Hormones","_yoast_wpseo_title":"What are Plant Hormones - Definition, Types of Plant Hormones and their Function","_yoast_wpseo_metadesc":"Plant hormones are natural chemicals that regulate growth and development in plants. Learn about their types\u2014Auxins, Gibberellins, Cytokinins, ABA, and Ethylene\u2014and their functions.","custom_permalink":"science\/plant-hormones\/"},"categories":[116],"tags":[],"table_tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What are Plant Hormones - Definition, Types of Plant Hormones and their Function<\/title>\n<meta name=\"description\" content=\"Plant hormones are natural chemicals that regulate growth and development in plants. 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