This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Outermost Whorl A) Pistil. B) Stamen. C) Petal. D) Sepal. Show Answer Correct Answer: D) Sepal. 2. The reproductive part of a flowering plant is A) Sepals. B) Fruit. C) Flowers. D) Petals. Show Answer Correct Answer: C) Flowers. 3. Which one of the following generates new genetic combinations leading to variation? A) Vegetative reproduction. B) Parthenogenesis. C) Sexual reproduction. D) Nucellar polyembryony. Show Answer Correct Answer: C) Sexual reproduction. 4. Name the process in which the fruit falls to the ground when it's ripe, the seeds go into the soil and a new plant begins to grow. A) Nutrition. B) Germination. C) Fertilisation. D) Solidification. Show Answer Correct Answer: B) Germination. 5. Section C-True or False:Apomixis leads to formation of seeds without fertilization. Choose True or False. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. Megaspore mother cell ..... 1$\rightarrow$ Megaspore ..... 2$\rightarrow$ embryo sac ..... 3$\rightarrow$ egg A) MitosisMitosisMeiosis. B) MitosisMeiosisMitosis. C) MeiosisMitosisMitosis. D) MitosisMitosisMitosis. Show Answer Correct Answer: C) MeiosisMitosisMitosis. 7. Out of megaspore tetrad, the functional megaspore is A) Any megaspore. B) Middle megaspore. C) Chalazal megaspore. D) Micropylar megaspore. Show Answer Correct Answer: C) Chalazal megaspore. 8. In the false fruit strawberry, the accessory contributing part of the flower is ..... A) Thalamus. B) Petals. C) Androecium. D) Calyx. Show Answer Correct Answer: A) Thalamus. 9. Polyembryony commonly occurs in A) Banana. B) Tomato. C) Potato. D) Citrus. Show Answer Correct Answer: D) Citrus. 10. A dithecous anther is made up of ..... number of theca. A) 4. B) 6. C) 2. D) 1. Show Answer Correct Answer: C) 2. 11. What are the male reproductive parts of a flower collectively called? A) Calyx. B) Corolla. C) Androecium. D) Gynoecium. Show Answer Correct Answer: C) Androecium. 12. Anther is generally: A) Monothecous. B) Dithecous. C) Polythecous. D) Homothecous. Show Answer Correct Answer: B) Dithecous. 13. Pollen grains contains ..... gametes. A) Male. B) Female. C) Both. D) None of the above. Show Answer Correct Answer: A) Male. 14. How else can pollen be moved besides pollinators? A) Sunlight. B) Snow. C) Wind. D) Hail. Show Answer Correct Answer: C) Wind. 15. In water hyacinth vegetative propagation occurs through? A) Offset. B) Rhizome. C) Bulbil. D) Leaf bud. Show Answer Correct Answer: A) Offset. 16. Which of the following describes parthenocarpy? A) Development of fruit without seeds. B) Development of seeds without fertilization. C) A type of hybridization. D) Formation of seeds through fertilization. Show Answer Correct Answer: A) Development of fruit without seeds. 17. The flowers that require synchrony in pollen release and stigma receptivity are A) Chasmogamous Flowers. B) Cleistogamous Flowers. C) All the above. D) None of the above. Show Answer Correct Answer: A) Chasmogamous Flowers. 18. Perisperm is found in the seeds of A) Piper. B) Barley. C) Beans. D) Groundnut. Show Answer Correct Answer: A) Piper. 19. How many male gamete are formed in one pollen grain? A) 2. B) 4. C) 6. D) 8. Show Answer Correct Answer: A) 2. 20. In angiosperms, the ..... tissue produced by mitotic division of the endosperm, are filled with reserve food materials and are used for the nutrition of developing embryo. A) Triploid tissue. B) Diploid tissue. C) Tetraploid tissue. D) Polyploid tissue. Show Answer Correct Answer: A) Triploid tissue. 21. A typical angiosperm embryo sac at maturity is said to be A) 7-nucleate and 7-celled. B) 8-nucleate and 7-Celled. C) 8-nucleate and 8-celled. D) 7-nucleate and 8-celled. Show Answer Correct Answer: B) 8-nucleate and 7-Celled. 22. The cells of microspore tetrad are ..... A) Haploid. B) Diploid. C) Triploid. D) Polyploid. Show Answer Correct Answer: A) Haploid. 23. The outermost wall layer of microsporangium in anther is A) Endothecium. B) Tapetum. C) Middle layer. D) Epidermis. Show Answer Correct Answer: D) Epidermis. 24. The layer in the wall of the microsporangia that helps to nourish pollen grains is A) Epidermis. B) Endothecium. C) Middle layers. D) Tapetum. Show Answer Correct Answer: D) Tapetum. 25. In embryo sac the number of-synergid-egg cell-central cell-antipodal cell follows the order A) 1-1-2-3. B) 2-1-2-3. C) 2-1-1-3. D) 3-2-2-1. Show Answer Correct Answer: C) 2-1-1-3. ← PreviousNext →Related QuizzesClass 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 1Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 2Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 3Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 4Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 5Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 6Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 7Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 8Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 9Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books