{"id":92972,"date":"2025-06-01T11:37:52","date_gmt":"2025-06-01T11:37:52","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=92972"},"modified":"2025-06-01T11:37:52","modified_gmt":"2025-06-01T11:37:52","slug":"which-one-of-the-following-is-a-plant-hormone-2","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-a-plant-hormone-2\/","title":{"rendered":"Which one of the following is a plant hormone ?"},"content":{"rendered":"<p>Which one of the following is a plant hormone ?<\/p>\n<p>[amp_mcq option1=&#8221;Oestrogen&#8221; option2=&#8221;Cytokinin&#8221; option3=&#8221;Insulin&#8221; option4=&#8221;Thyroxin&#8221; correct=&#8221;option2&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC CISF-AC-EXE &#8211; 2021<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-cisf-ac-exe-2021.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-cisf-ac-exe-2021\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nCytokinin is one of the major classes of plant hormones. Plant hormones (or phytohormones) are signaling molecules produced within plants that occur in extremely low concentrations. Hormones regulate various aspects of plant growth and development. Oestrogen, Insulin, and Thyroxin are animal hormones.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nCytokinins are a group of plant hormones that promote cell division (cytokinesis) in plant roots and shoots. They are involved in various processes such as cell growth, differentiation, apical dominance, and delaying senescence (aging) of leaves.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nMajor classes of plant hormones include auxins, gibberellins, cytokinins, abscisic acid (ABA), and ethylene. These hormones interact with each other in complex ways to regulate plant development. Oestrogen is a primary female sex hormone in animals. Insulin is a peptide hormone produced by the pancreas that regulates blood sugar levels in animals. Thyroxin is a thyroid hormone produced by the thyroid gland in animals that regulates metabolism.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which one of the following is a plant hormone ? [amp_mcq option1=&#8221;Oestrogen&#8221; option2=&#8221;Cytokinin&#8221; option3=&#8221;Insulin&#8221; option4=&#8221;Thyroxin&#8221; correct=&#8221;option2&#8243;] This question was previously asked in UPSC CISF-AC-EXE &#8211; 2021 Download PDFAttempt Online Cytokinin is one of the major classes of plant hormones. Plant hormones (or phytohormones) are signaling molecules produced within plants that occur in extremely low concentrations. &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which one of the following is a plant hormone ?\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-a-plant-hormone-2\/#more-92972\">Detailed Solution<span class=\"screen-reader-text\">Which one of the following is a plant hormone ?<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1089],"tags":[1110,1117,1211],"class_list":["post-92972","post","type-post","status-publish","format-standard","hentry","category-upsc-cisf-ac-exe","tag-1110","tag-biology","tag-plant-hormones","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Which one of the following is a plant hormone ?<\/title>\n<meta name=\"description\" content=\"Cytokinin is one of the major classes of plant hormones. Plant hormones (or phytohormones) are signaling molecules produced within plants that occur in extremely low concentrations. Hormones regulate various aspects of plant growth and development. Oestrogen, Insulin, and Thyroxin are animal hormones. Cytokinins are a group of plant hormones that promote cell division (cytokinesis) in plant roots and shoots. They are involved in various processes such as cell growth, differentiation, apical dominance, and delaying senescence (aging) of leaves.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-a-plant-hormone-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which one of the following is a plant hormone ?\" \/>\n<meta property=\"og:description\" content=\"Cytokinin is one of the major classes of plant hormones. Plant hormones (or phytohormones) are signaling molecules produced within plants that occur in extremely low concentrations. Hormones regulate various aspects of plant growth and development. Oestrogen, Insulin, and Thyroxin are animal hormones. Cytokinins are a group of plant hormones that promote cell division (cytokinesis) in plant roots and shoots. They are involved in various processes such as cell growth, differentiation, apical dominance, and delaying senescence (aging) of leaves.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-a-plant-hormone-2\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T11:37:52+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Which one of the following is a plant hormone ?","description":"Cytokinin is one of the major classes of plant hormones. Plant hormones (or phytohormones) are signaling molecules produced within plants that occur in extremely low concentrations. Hormones regulate various aspects of plant growth and development. Oestrogen, Insulin, and Thyroxin are animal hormones. Cytokinins are a group of plant hormones that promote cell division (cytokinesis) in plant roots and shoots. They are involved in various processes such as cell growth, differentiation, apical dominance, and delaying senescence (aging) of leaves.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-a-plant-hormone-2\/","og_locale":"en_US","og_type":"article","og_title":"Which one of the following is a plant hormone ?","og_description":"Cytokinin is one of the major classes of plant hormones. Plant hormones (or phytohormones) are signaling molecules produced within plants that occur in extremely low concentrations. Hormones regulate various aspects of plant growth and development. Oestrogen, Insulin, and Thyroxin are animal hormones. Cytokinins are a group of plant hormones that promote cell division (cytokinesis) in plant roots and shoots. They are involved in various processes such as cell growth, differentiation, apical dominance, and delaying senescence (aging) of leaves.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-a-plant-hormone-2\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T11:37:52+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-a-plant-hormone-2\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-a-plant-hormone-2\/","name":"Which one of the following is a plant hormone ?","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T11:37:52+00:00","dateModified":"2025-06-01T11:37:52+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Cytokinin is one of the major classes of plant hormones. Plant hormones (or phytohormones) are signaling molecules produced within plants that occur in extremely low concentrations. Hormones regulate various aspects of plant growth and development. Oestrogen, Insulin, and Thyroxin are animal hormones. Cytokinins are a group of plant hormones that promote cell division (cytokinesis) in plant roots and shoots. They are involved in various processes such as cell growth, differentiation, apical dominance, and delaying senescence (aging) of leaves.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-a-plant-hormone-2\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-a-plant-hormone-2\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-a-plant-hormone-2\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC CISF-AC-EXE","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-cisf-ac-exe\/"},{"@type":"ListItem","position":3,"name":"Which one of the following is a plant hormone ?"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/92972","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=92972"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/92972\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=92972"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=92972"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=92972"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}