{"id":4940,"date":"2026-06-20T15:11:35","date_gmt":"2026-06-20T09:41:35","guid":{"rendered":"https:\/\/mymockmate.com\/notes\/?p=4940"},"modified":"2026-06-20T17:17:29","modified_gmt":"2026-06-20T11:47:29","slug":"ncert-class-12-biology-chapter-1-solutions-sexual-reproduction-in-flowering-plants","status":"publish","type":"post","link":"https:\/\/mymockmate.com\/notes\/ncert-class-12-biology-chapter-1-solutions-sexual-reproduction-in-flowering-plants\/","title":{"rendered":"NCERT Class 12 Biology Chapter 1 Solutions: Sexual Reproduction in Flowering Plants"},"content":{"rendered":"<div class=\"mymoc-top mymoc-entity-placement\" id=\"mymoc-22255591\"><div id=\"mymoc-3869744400\"><a href=\"https:\/\/amzn.to\/4v5gV6P\" aria-label=\"calculators\"><img src=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/calculators.png\" alt=\"\" srcset=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/calculators.png 1302w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/calculators-300x99.png 300w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/calculators-1024x338.png 1024w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/calculators-768x254.png 768w\" sizes=\"(max-width: 1302px) 100vw, 1302px\" width=\"1302\" height=\"430\"><\/a><\/div><\/div><div class=\"pdfprnt-buttons pdfprnt-buttons-post pdfprnt-top-bottom-right\"><a href=\"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts\/4940?print=print\" class=\"pdfprnt-button pdfprnt-button-print\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/mymockmate.com\/notes\/wp-content\/plugins\/pdf-print\/images\/print.png\" alt=\"image_print\" title=\"Print Content\"><span class=\"pdfprnt-button-title pdfprnt-button-print-title\">Print<\/span><\/a> <span class=\"pdfprnt-count-generation\">3<\/span><\/div>\n<h2 class=\"wp-block-heading\">Short Introduction<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Reproduction is an essential process that ensures the continuity of life on Earth. In flowering plants (angiosperms), sexual reproduction involves the formation of male and female gametes, pollination, fertilisation, and seed formation. This chapter explains the structure of flowers, pollination mechanisms, double fertilisation, seed development, apomixis, and polyembryony.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Quick Information Box<\/h1>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Particular<\/th><th>Details<\/th><\/tr><\/thead><tbody><tr><td>Class<\/td><td>12<\/td><\/tr><tr><td>Subject<\/td><td>Biology<\/td><\/tr><tr><td>Chapter<\/td><td>1<\/td><\/tr><tr><td>Chapter Name<\/td><td>Sexual Reproduction in Flowering Plants<\/td><\/tr><tr><td>Board<\/td><td>CBSE\/NCERT<\/td><\/tr><tr><td>Important Topics<\/td><td>Pollination, Fertilisation, Embryo Sac, Seed Formation<\/td><\/tr><tr><td>Exam Weightage<\/td><td>High<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Concepts Used (Topics Covered)<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Structure of Flower<\/li>\n\n\n\n<li>Microsporogenesis<\/li>\n\n\n\n<li>Megasporogenesis<\/li>\n\n\n\n<li>Pollination<\/li>\n\n\n\n<li>Double Fertilisation<\/li>\n\n\n\n<li>Endosperm Development<\/li>\n\n\n\n<li>Embryo Development<\/li>\n\n\n\n<li>Seed and Fruit Formation<\/li>\n\n\n\n<li>Apomixis<\/li>\n\n\n\n<li>Polyembryony<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Important Definitions<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Pollination<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Transfer of pollen grains from anther to stigma.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Fertilisation<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Fusion of male and female gametes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Double Fertilisation<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Fusion of one male gamete with egg and another with polar nuclei.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Apomixis<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Seed formation without fertilisation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Polyembryony<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Formation of more than one embryo in a seed.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Important Diagrams to Practice<\/h1>\n\n\n\n<div class=\"internal-linking-related-contents\"><a href=\"https:\/\/mymockmate.com\/notes\/relations-and-functions-exercise-1-1-solutions-class-12\/\" class=\"template-2\"><span class=\"cta\">Related Topic to Read more<\/span><span class=\"postTitle\">Relations and Functions Exercise 1.1 Solutions Class 12<\/span><\/a><\/div><p class=\"wp-block-paragraph\">&#10004; Structure of Anther<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#10004; Structure of Ovule<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#10004; Mature Embryo Sac<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#10004; Pollen Germination<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#10004; Double Fertilisation<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#10004; Structure of Dicot Seed<\/p>\n\n\n\n<div class=\"internal-linking-related-contents\"><a href=\"https:\/\/mymockmate.com\/notes\/relations-and-functions-exercise-1-2-solutions-class-12\/\" class=\"template-2\"><span class=\"cta\">Related Topic to Read more<\/span><span class=\"postTitle\">Relations and Functions Exercise 1.2 Solutions Class 12<\/span><\/a><\/div><p class=\"wp-block-paragraph\">&#10004; Structure of Monocot Seed<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Important Points for Examination<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Angiosperms exhibit <strong>double fertilisation<\/strong>.<\/li>\n\n\n\n<li>Endosperm is usually <strong>triploid (3n)<\/strong>.<\/li>\n\n\n\n<li>Synergids contain <strong>filiform apparatus<\/strong>.<\/li>\n\n\n\n<li>Pollen grain exine is made of <strong>sporopollenin<\/strong>.<\/li>\n\n\n\n<li>Embryo sac is <strong>7-celled and 8-nucleate<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">NCERT Exercise Solutions<\/h1>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Q1. Name the parts of an angiosperm flower in which development of male and female gametophyte takes place.<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Solution<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/image-174-683x1024.png\" alt=\"\" class=\"wp-image-4944\" srcset=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/image-174-683x1024.png 683w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/image-174-200x300.png 200w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/image-174-768x1152.png 768w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/image-174-600x900.png 600w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/image-174.png 1024w\" sizes=\"(max-width: 683px) 100vw, 683px\"><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Q2. Differentiate between microsporogenesis and megasporogenesis. Which type of cell division occurs during these events? Name the structures formed at the end of these two events.<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Solution<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"909\" height=\"1024\" src=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/image-176-909x1024.png\" alt=\"\" class=\"wp-image-4948\" srcset=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/image-176-909x1024.png 909w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/image-176-266x300.png 266w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/image-176-768x866.png 768w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/image-176.png 1181w\" sizes=\"(max-width: 909px) 100vw, 909px\"><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Q3. Arrange the following terms in correct sequence:<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Pollen grain, Sporogenous tissue, Microspore tetrad, Pollen mother cell.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Solution<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Correct sequence:<\/p><div class=\"mymoc-middle mymoc-entity-placement\" id=\"mymoc-1332519206\"><div id=\"mymoc-4243592595\"><a href=\"https:\/\/amzn.to\/4ehRB6n\" aria-label=\"printers\"><img src=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/printers.png\" alt=\"\" srcset=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/printers.png 1303w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/printers-300x73.png 300w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/printers-1024x250.png 1024w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/printers-768x187.png 768w\" sizes=\"(max-width: 1303px) 100vw, 1303px\" width=\"1303\" height=\"318\"><\/a><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Sporogenous tissue &rarr; Pollen mother cell &rarr; Microspore tetrad &rarr; Pollen grain<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Q4. What is meant by monosporic development of female gametophyte?<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Solution<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">When only one of the four megaspores formed during meiosis remains functional and develops into the embryo sac, it is called <strong>monosporic development<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Q5. What are chasmogamous flowers?<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Solution<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Flowers that open and expose their reproductive organs are called <strong>chasmogamous flowers<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Examples<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hibiscus<\/li>\n\n\n\n<li>Rose<\/li>\n\n\n\n<li>Mustard<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Q6. What are cleistogamous flowers? Mention one advantage.<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Solution<\/h2>\n\n\n\n<div class=\"internal-linking-related-contents\"><a href=\"https:\/\/mymockmate.com\/notes\/miscellaneous-exercise-solutions-class-12-relations-functions\/\" class=\"template-2\"><span class=\"cta\">Related Topic to Read more<\/span><span class=\"postTitle\">Miscellaneous Exercise Solutions Class 12 Relations Functions<\/span><\/a><\/div><p class=\"wp-block-paragraph\">Flowers that do not open and remain closed are called <strong>cleistogamous flowers<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Examples<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Viola<\/li>\n\n\n\n<li>Oxalis<\/li>\n\n\n\n<li>Commelina<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Advantage<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">They ensure <strong>self-pollination and guaranteed seed formation<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Q7. Differentiate between geitonogamy and xenogamy.<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Solution<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Geitonogamy<\/th><th>Xenogamy<\/th><\/tr><\/thead><tbody><tr><td>Pollen transferred to another flower of same plant<\/td><td>Pollen transferred to flower of different plant<\/td><\/tr><tr><td>Genetically similar<\/td><td>Genetically different<\/td><\/tr><tr><td>Requires pollinating agent<\/td><td>Requires pollinating agent<\/td><\/tr><tr><td>Similar to self-pollination<\/td><td>True cross-pollination<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Q8. Why does pollen grain possess tough exine?<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Solution<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The exine protects pollen grains against:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High temperature<\/li>\n\n\n\n<li>Desiccation<\/li>\n\n\n\n<li>Enzymatic degradation<\/li>\n\n\n\n<li>Mechanical injury<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">It is made up of <strong>sporopollenin<\/strong>, the most resistant organic substance.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Q9. What is pollen viability?<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Solution<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The period during which pollen grains remain capable of fertilisation is called <strong>pollen viability<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Q10. Why are wind-pollinated flowers not brightly coloured?<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Solution<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Wind-pollinated flowers do not need to attract insects or animals. Therefore, they are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Small<\/li>\n\n\n\n<li>Dull coloured<\/li>\n\n\n\n<li>Odourless<\/li>\n\n\n\n<li>Nectarless<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Q11. Explain double fertilisation.<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Solution<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Step 1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">One male gamete fuses with egg.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This forms:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Zygote (2n)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This process is called:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Syngamy<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Second male gamete fuses with:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Two polar nuclei<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This forms:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Primary Endosperm Nucleus (3n)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This process is called:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Triple Fusion<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Since two fertilisation events occur, it is called:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Double Fertilisation<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Q12. What is triple fusion?<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Solution<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Fusion of one male gamete with two polar nuclei to form triploid primary endosperm nucleus is called <strong>triple fusion<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Q13. What is apomixis?<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Solution<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Formation of seeds without fertilisation is called <strong>apomixis<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Importance<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Produces genetically identical plants.<\/li>\n\n\n\n<li>Useful in hybrid seed production.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Q14. Define polyembryony.<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Solution<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Formation of more than one embryo inside a single seed is called <strong>polyembryony<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Example<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Citrus.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Q15. Why does endosperm develop before embryo?<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Solution<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Endosperm provides nourishment to the developing embryo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hence, it develops first.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Q16. Why are apple and cashew called false fruits?<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Solution<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Because besides ovary, other floral parts also contribute to fruit formation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hence, they are called <strong>false fruits<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Q17. Why is coconut water liquid?<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Solution<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Coconut water is free nuclear endosperm.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Q18. What is emasculation?<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Solution<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Removal of anthers from bisexual flowers before maturity is called <strong>emasculation<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It prevents self-pollination.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Common Mistakes Made by Students<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">&#10060; Writing embryo sac as 8-celled.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#10060; Confusing geitonogamy with xenogamy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#10060; Forgetting that endosperm is triploid.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#10060; Writing syngamy as triple fusion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#10060; Confusing apomixis with parthenogenesis.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Exam Tips<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">&#10004; Draw labelled diagrams.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#10004; Remember:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Embryo Sac = 7-celled, 8-nucleate.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#10004; Double Fertilisation = Syngamy + Triple Fusion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#10004; Learn examples of pollination.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#10004; Practice flow charts.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Practice MCQs<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">1. Exine is made up of:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">(a) Cellulose<br>(b) Pectin<br>(c) Sporopollenin<br>(d) Lignin<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Answer:<\/strong> (c)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\">2. Embryo sac is:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">(a) 7-celled, 8-nucleate<br>(b) 8-celled, 8-nucleate<br>(c) 7-celled, 7-nucleate<br>(d) 8-celled, 7-nucleate<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Answer:<\/strong> (a)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\">3. Triple fusion produces:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">(a) Zygote<br>(b) Embryo<br>(c) Endosperm nucleus<br>(d) Seed<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Answer:<\/strong> (c)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\">4. Example of polyembryony:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">(a) Mango<br>(b) Citrus<br>(c) Wheat<br>(d) Rose<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Answer:<\/strong> (b)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Frequently Asked Questions (FAQ)<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Q1. Why is double fertilisation unique to angiosperms?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Because two fertilisation events occur simultaneously.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q2. What is the ploidy of endosperm?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Triploid (3n).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q3. Which cell guides pollen tube?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Synergids.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q4. What is the function of filiform apparatus?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Guides pollen tube towards egg apparatus.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q5. What is the function of endosperm?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Provides nutrition to embryo.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">Conclusion<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Sexual reproduction in flowering plants ensures genetic variation and continuity of species. Understanding pollination, fertilisation and seed formation is essential for scoring high marks in CBSE Board examinations.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\">CTA (Call To Action)<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">&#128218; For more NCERT Solutions, Notes, MCQs, Mock Tests and Board Exam Preparation Material, visit:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"http:\/\/www.mymockmate.com\/\">www.mymockmate.com<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#128640; Learn Smart. Practice More. Score Better.<\/p>\n<div class=\"pdfprnt-buttons pdfprnt-buttons-post pdfprnt-top-bottom-right\"><a href=\"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts\/4940?print=print\" class=\"pdfprnt-button pdfprnt-button-print\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/mymockmate.com\/notes\/wp-content\/plugins\/pdf-print\/images\/print.png\" alt=\"image_print\" title=\"Print Content\"><span class=\"pdfprnt-button-title pdfprnt-button-print-title\">Print<\/span><\/a> <span class=\"pdfprnt-count-generation\">3<\/span><\/div>\n    <div class=\"xs_social_share_widget xs_share_url after_content \t\tmain_content  wslu-style-1 wslu-share-box-shaped wslu-fill-colored wslu-none wslu-share-horizontal wslu-theme-font-no wslu-main_content\">\n\n\t\t\n        <ul>\n\t\t\t        <\/ul>\n    <\/div> \n<div class=\"mymoc-bottom mymoc-entity-placement\" id=\"mymoc-640513302\"><div id=\"mymoc-1970002330\"><a href=\"https:\/\/amzn.to\/4uMTpup\" aria-label=\"books\"><img src=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/books.png\" alt=\"\" srcset=\"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/books.png 1301w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/books-300x56.png 300w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/books-1024x190.png 1024w, https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/books-768x143.png 768w\" sizes=\"(max-width: 1301px) 100vw, 1301px\" width=\"1301\" height=\"242\"><\/a><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p> 3 Short Introduction Reproduction is an essential process that ensures the continuity of life on Earth. In<\/p>\n","protected":false},"author":1,"featured_media":4942,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"postBodyCss":"","postBodyMargin":[],"postBodyPadding":[],"postBodyBackground":{"backgroundType":"classic","gradient":""},"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[3325,7],"tags":[3523,3521,3519,3522,3520,3517,3518],"class_list":["post-4940","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biology","category-class-12","tag-biology-chapter-1-notes","tag-cbse-biology-solutions","tag-class-12-biology-chapter-1-questions-answers","tag-flowering-plants-reproduction","tag-ncert-biology-chapter-1-pdf-solutions","tag-ncert-class-12-biology-solutions","tag-sexual-reproduction-in-flowering-plants-solutions"],"featured_image_src":"https:\/\/mymockmate.com\/notes\/wp-content\/uploads\/2026\/06\/NCERT-Class-12-Biology-Chapter-1-Solutions-Sexual-Reproduction-in-Flowering-Plants.png","author_info":{"display_name":"Team Mymockmate","author_link":"https:\/\/mymockmate.com\/notes\/author\/bsm_adm\/"},"jetpack_publicize_connections":[],"_links":{"self":[{"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts\/4940","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/comments?post=4940"}],"version-history":[{"count":4,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts\/4940\/revisions"}],"predecessor-version":[{"id":4953,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts\/4940\/revisions\/4953"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/media\/4942"}],"wp:attachment":[{"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/media?parent=4940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/categories?post=4940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/tags?post=4940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}