{"id":2532,"date":"2026-05-28T15:56:48","date_gmt":"2026-05-28T10:26:48","guid":{"rendered":"https:\/\/mymockmate.com\/notes\/?p=2532"},"modified":"2026-05-28T15:56:48","modified_gmt":"2026-05-28T10:26:48","slug":"ncert-class-9-science-reproduction-how-life-continues-solutions","status":"publish","type":"post","link":"https:\/\/mymockmate.com\/notes\/ncert-class-9-science-reproduction-how-life-continues-solutions\/","title":{"rendered":"NCERT Class 9 Science Reproduction How Life Continues  Solutions"},"content":{"rendered":"<div class=\"pdfprnt-buttons pdfprnt-buttons-post pdfprnt-top-bottom-right\"><a href=\"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts\/2532?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\">1<\/span><\/div>\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Short Intro<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">This chapter explains how living organisms reproduce and ensure continuity of life. Students learn about asexual and sexual reproduction in plants and animals, pollination, fertilisation, reproductive systems in humans, menstruation, pregnancy, and methods of birth control with detailed explanations and solved questions.<\/p>\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>Topic<\/th><th>Details<\/th><\/tr><\/thead><tbody><tr><td>Chapter Name<\/td><td>Reproduction: How Life Continues<\/td><\/tr><tr><td>Class<\/td><td>Grade 9<\/td><\/tr><tr><td>Subject<\/td><td>Science<\/td><\/tr><tr><td>Main Topics<\/td><td>Reproduction in Plants and Humans<\/td><\/tr><tr><td>Important Processes<\/td><td>Pollination, Fertilisation, Meiosis<\/td><\/tr><tr><td>Human Chromosomes<\/td><td>46<\/td><\/tr><tr><td>Gametes Chromosomes<\/td><td>23<\/td><\/tr><\/tbody><\/table><\/figure>\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>Asexual Reproduction<\/li>\n\n\n\n<li>Budding and Spore Formation<\/li>\n\n\n\n<li>Sexual Reproduction<\/li>\n\n\n\n<li>Meiosis and Gamete Formation<\/li>\n\n\n\n<li>Pollination and Fertilisation<\/li>\n\n\n\n<li>Self and Cross Pollination<\/li>\n\n\n\n<li>Flower Structure<\/li>\n\n\n\n<li>Reproduction in Animals<\/li>\n\n\n\n<li>Human Male Reproductive System<\/li>\n\n\n\n<li>Human Female Reproductive System<\/li>\n\n\n\n<li>Menstrual Cycle<\/li>\n\n\n\n<li>Pregnancy and Childbirth<\/li>\n\n\n\n<li>Contraceptive Methods<\/li>\n\n\n\n<li>Sexually Transmitted Infections (STIs)<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Important Formulas<\/h1>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Number of Chromosomes in Human Gametes<br>= 23<\/li>\n\n\n\n<li>Number of Chromosomes in Human Body Cells<br>= 46<\/li>\n\n\n\n<li>Fertilisation<br>Male Gamete + Female Gamete \u2192 Zygote<\/li>\n\n\n\n<li>Menstrual Cycle Duration<br>\u2248 28 days<\/li>\n\n\n\n<li>Ovulation<br>Occurs approximately on Day 14<\/li>\n<\/ol>\n\n\n\n<h1 class=\"wp-block-heading\">Questions &amp; Step-by-step Solutions with Explanation<\/h1>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q1. Artificial Pollination Experiment<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Question:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A flower\u2019s anthers are removed before maturity and pollen from another plant is dusted onto stigma. Which process is ensured?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Solution:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pollen is transferred from one plant to another plant of same species.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Cross-pollination<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q2. Correct Sequence in Plant Reproduction<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Given:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">(i) Pollen germination on stigma<br>(ii) Fertilisation<br>(iii) Pollination<br>(iv) Formation of zygote<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Solution:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">First pollination occurs, then pollen germinates, fertilisation takes place, and finally zygote forms.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Correct Order:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">(iii) \u2192 (i) \u2192 (ii) \u2192 (iv)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q3. Assertion and Reason<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Assertion:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The zygote formed after fertilisation immediately attaches to uterus wall.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Reason:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The uterus wall is always prepared to receive zygote.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Solution:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Zygote first divides repeatedly before implantation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uterus lining changes cyclically and is not always ready.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">(iv) A is false but R is true.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q4. Why Asexual Reproduction Produces Identical Offspring<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Solution:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Asexual reproduction involves only mitosis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">No fusion of gametes occurs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Therefore offspring receive identical genetic material from parent.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Offspring are genetically identical because only mitotic division occurs.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q5. Why Menstruation Stops During Pregnancy<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Solution:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">During pregnancy, uterus lining is needed to nourish embryo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Therefore uterine lining is not shed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Menstruation stops because the uterus retains its thick lining for embryo development.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q6. Why Night Blooming Flowers are White<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Solution:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">White or light coloured flowers are easily visible at night.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This helps attract pollinators like moths and insects.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Night flowers are light coloured to attract pollinators in darkness.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q7. Why Vegetatively Propagated Plants are Vulnerable<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Solution:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vegetative propagation produces clones with little variation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If disease affects one plant, all similar plants may be affected.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Lack of genetic variation makes them more vulnerable to diseases.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q8. Effect of Only Self-pollination<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Solution:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Self-pollination reduces genetic variation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Over generations, adaptability decreases.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Genetic diversity decreases due to lack of mixing of genes.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q9. Method for Producing Identical Plants Quickly<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Solution:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vegetative propagation or tissue culture can be used.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These methods produce clones rapidly.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vegetative propagation is suitable for producing identical plants quickly.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q10. Pollen Germination Experiment<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">(i) Possible Hypotheses<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sugar concentration affects pollen germination.<\/li>\n\n\n\n<li>Optimum sugar concentration gives maximum germination.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">(ii) Parameters to Keep Constant<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Temperature<\/li>\n\n\n\n<li>Type of pollen<\/li>\n\n\n\n<li>Time duration<\/li>\n\n\n\n<li>Slide conditions<\/li>\n\n\n\n<li>Quantity of solution<\/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. Type of Pollination<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Tomato:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Self-pollination because stamens cover stigma.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Wheat:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Wind pollination<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Papaya:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Cross-pollination because male and female flowers are on different plants.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q12. Apple Orchard Investigation<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">(i) Hypothesis<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bee pollination increases fruit yield.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">(ii) Parameters<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Presence of bees<\/li>\n\n\n\n<li>Fruit setting<\/li>\n\n\n\n<li>Fruit drop<\/li>\n\n\n\n<li>Number of flowers<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">(iii) Data Analysis<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Place B with beekeeping shows:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Higher fruit setting<\/li>\n\n\n\n<li>Lower fruit drop<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">(iv) Inference<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pollinators increase successful pollination and crop yield.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q13. Ovulation Claim<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Statement:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cOvulation always occurs on day 14.\u201d<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Solution:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This is not always correct.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Reasons:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Menstrual cycles vary among females.<\/li>\n\n\n\n<li>Stress, illness, and hormones affect ovulation timing.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The statement is incorrect.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q14. Why External Fertilisation Produces Many Eggs<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Solution:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Many eggs are destroyed or eaten in water.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Producing large numbers increases survival chances.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">External fertilisation requires many eggs due to low survival rate.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q15. Which Fertilisation Gives More Protection<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Solution:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Internal fertilisation protects gametes and embryo inside body.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Internal fertilisation provides more protection.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q16. Function of Flower Parts<\/h1>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Flower Part<\/th><th>Function<\/th><\/tr><\/thead><tbody><tr><td>Sepal<\/td><td>Protects bud<\/td><\/tr><tr><td>Petal<\/td><td>Attracts pollinators<\/td><\/tr><tr><td>Stamen<\/td><td>Produces pollen<\/td><\/tr><tr><td>Pistil<\/td><td>Female reproductive part<\/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\">Q17. Why Pollination is Necessary<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Solution:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pollination transfers pollen grains to stigma.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This enables fertilisation and seed formation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pollination is essential for fruit and seed formation.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q18. Human Male Reproductive System<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Main Parts:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Testes<\/li>\n\n\n\n<li>Scrotum<\/li>\n\n\n\n<li>Vas deferens<\/li>\n\n\n\n<li>Urethra<\/li>\n\n\n\n<li>Penis<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Function:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Production and transfer of sperm.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q19. Human Female Reproductive System<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Main Parts:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ovary<\/li>\n\n\n\n<li>Oviduct<\/li>\n\n\n\n<li>Uterus<\/li>\n\n\n\n<li>Cervix<\/li>\n\n\n\n<li>Vagina<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Function:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Production of eggs and development of foetus.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q20. What Happens During Fertilisation<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Solution:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sperm fuses with egg in oviduct.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A zygote is formed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Fusion of male and female gametes forms zygote.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q21. Menstrual Cycle Stages<\/h1>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Days<\/th><th>Process<\/th><\/tr><\/thead><tbody><tr><td>1\u20135<\/td><td>Menstruation<\/td><\/tr><tr><td>6\u201314<\/td><td>Uterus lining rebuilds<\/td><\/tr><tr><td>14<\/td><td>Ovulation<\/td><\/tr><tr><td>15\u201328<\/td><td>Thickening of uterus lining<\/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\">Q22. Why Condoms are Important<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Solution:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Condoms prevent:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pregnancy<\/li>\n\n\n\n<li>Sexually transmitted infections<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Condoms act as protective barrier methods.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Q23. Difference Between Sperm and Egg<\/h1>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Feature<\/th><th>Sperm<\/th><th>Egg<\/th><\/tr><\/thead><tbody><tr><td>Size<\/td><td>Small<\/td><td>Large<\/td><\/tr><tr><td>Number<\/td><td>Millions<\/td><td>Few<\/td><\/tr><tr><td>Movement<\/td><td>Motile<\/td><td>Non-motile<\/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\">Q24. IVF Technique<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Solution:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Fertilisation occurs outside body in laboratory dish.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Embryo is implanted into uterus.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IVF helps couples facing fertility problems.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Common Mistakes<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Confusing pollination with fertilisation<\/li>\n\n\n\n<li>Mixing self-pollination and cross-pollination<\/li>\n\n\n\n<li>Forgetting functions of flower parts<\/li>\n\n\n\n<li>Confusing mitosis and meiosis<\/li>\n\n\n\n<li>Incorrect understanding of menstruation cycle<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Exam Tips<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Draw labelled diagrams of flower and reproductive systems.<\/li>\n\n\n\n<li>Learn definitions carefully.<\/li>\n\n\n\n<li>Revise menstrual cycle stages regularly.<\/li>\n\n\n\n<li>Remember differences between sperm and egg.<\/li>\n\n\n\n<li>Practice assertion-reason questions.<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Practice MCQs<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">1. Transfer of pollen to stigma is called:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. Fertilisation<br>B. Pollination<br>C. Germination<br>D. Budding<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B. Pollination<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. Male reproductive part of flower:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. Pistil<br>B. Ovary<br>C. Stamen<br>D. Ovule<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C. Stamen<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. Human gametes contain:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. 46 chromosomes<br>B. 23 chromosomes<br>C. 92 chromosomes<br>D. 12 chromosomes<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B. 23 chromosomes<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. Fertilisation in frogs is generally:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. Internal<br>B. External<br>C. Artificial<br>D. Vegetative<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B. External<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">5. Which method prevents STIs?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. Copper-T<br>B. Oral pills<br>C. Condoms<br>D. Surgery<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C. Condoms<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">FAQ Section<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Q1. What is reproduction?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">It is the biological process through which organisms produce new individuals.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q2. What is 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\">Q3. What is 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\">Q4. Why is meiosis important?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">It reduces chromosome number to half in gametes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q5. What is menstruation?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Monthly shedding of uterine lining when fertilisation does not occur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Boost your Science preparation with chapter-wise notes, detailed solutions, MCQs, quizzes, and mock tests only on <a href=\"http:\/\/www.mymockmate.com\/\">www.mymockmate.com<\/a> and score higher in your exams!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<div class=\"pdfprnt-buttons pdfprnt-buttons-post pdfprnt-top-bottom-right\"><a href=\"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts\/2532?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\">1<\/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","protected":false},"excerpt":{"rendered":"<p> 1 Short Intro This chapter explains how living organisms reproduce and ensure continuity of life. Students learn<\/p>\n","protected":false},"author":3,"featured_media":2533,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_surecart_dashboard_logo_width":"180px","_surecart_dashboard_show_logo":true,"_surecart_dashboard_navigation_orders":true,"_surecart_dashboard_navigation_invoices":true,"_surecart_dashboard_navigation_subscriptions":true,"_surecart_dashboard_navigation_downloads":true,"_surecart_dashboard_navigation_billing":true,"_surecart_dashboard_navigation_account":true,"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":[22,4,12],"tags":[1400,1402,1403,1397,1398,1404,1399,1401],"class_list":["post-2532","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cbse","category-class-9","category-science","tag-asexual-reproduction","tag-fertilisation","tag-gametes","tag-human-reproductive-system","tag-menstruation","tag-pollination","tag-reproduction","tag-sexual-reproduction"],"jetpack_publicize_connections":[],"_links":{"self":[{"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts\/2532","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\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/comments?post=2532"}],"version-history":[{"count":2,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts\/2532\/revisions"}],"predecessor-version":[{"id":2618,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/posts\/2532\/revisions\/2618"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/media\/2533"}],"wp:attachment":[{"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/media?parent=2532"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/categories?post=2532"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mymockmate.com\/notes\/wp-json\/wp\/v2\/tags?post=2532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}