This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 25 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The total number of nuclei involved in double fertilization in angiosperms are A) Two. B) Three. C) Four. D) Five. Show Answer Correct Answer: D) Five. 2. Which word describes the function of the petals? A) Attraction. B) Protection. C) Support. D) None of the above. Show Answer Correct Answer: A) Attraction. 3. The fibrous thickening of endothecium is largely made up of A) Pectin. B) Cutin. C) Suberin. D) Cellulose. Show Answer Correct Answer: A) Pectin. 4. Which type of pollination occurs when pollen from one flower fertilizes the ovule of another flower? A) Cleistogamy. B) Autogamy. C) Xenogamy. D) Geitonogamy. Show Answer Correct Answer: C) Xenogamy. 5. A male reproductive structure in a flower is called a(n) ..... A) Stamen. B) Pistil. C) Ovary. D) Stigma. Show Answer Correct Answer: A) Stamen. 6. Pollination that occurs in the same or different flowers of the same plant A) Self pollination. B) Cross pollination. C) All the above. D) None of the above. Show Answer Correct Answer: A) Self pollination. 7. Part of the gynoecium which receives the pollen is called A) Style. B) Stigma. C) Ovule. D) Ovary. Show Answer Correct Answer: B) Stigma. 8. Forms of seed dispersal include: A) Fire. B) Bursting. C) Animals. D) All of the above. Show Answer Correct Answer: D) All of the above. 9. How many mitotic divisions are required for megaspore to form embryo sac A) 3 Mitotic. B) 2 Mitotic. C) 1 Mitotic. D) No division. Show Answer Correct Answer: A) 3 Mitotic. 10. Which part of the flower is the most beautiful and also attracts insects? A) The roots. B) The sepals. C) The stem. D) The petals. Show Answer Correct Answer: D) The petals. 11. Section D-One-word answers (convert to MCQ):Select the correct one-word term for the female gametophyte of angiosperms. A) Embryo sac. B) Endosperm. C) Ovule. D) Megaspore mother cell. Show Answer Correct Answer: A) Embryo sac. 12. Which type of seed contains stored food in the endosperm? A) Dicot seeds. B) Monocot seeds. C) Non-albuminous seeds. D) Albuminous seeds. Show Answer Correct Answer: D) Albuminous seeds. 13. When the pollen grain is mature, it contains two cells, the ..... A ..... and ..... B ..... A) A-generative cell, B-spore mother cell. B) A-vegetative cell, B-spore mother cell. C) A-spore mother cell, B-male gamete. D) A-vegetative cell, B-generative cell. Show Answer Correct Answer: D) A-vegetative cell, B-generative cell. 14. Which of the following structures contribute to the formation of fruits in apples, strawberry and cashew? A) Ovary. B) Integuments. C) Thalamus. D) Style. Show Answer Correct Answer: C) Thalamus. 15. The transfer of pollen from the anther to the stigma is called ..... A) Pollination. B) Fertilisation. C) Seed dispersal. D) Germination. Show Answer Correct Answer: A) Pollination. 16. Viability of date palm (Phoenix dactylifera) seed is A) 2000 yrs. B) 1000 yrs. C) 500 yrs. D) 100 yrs. Show Answer Correct Answer: A) 2000 yrs. 17. The terminal structure of stamen is called A) Pollen. B) Filament. C) Anther. D) All of these. Show Answer Correct Answer: C) Anther. 18. How many pollen mother cells should undergo meiotic divison to produce 64 pollen grains? A) 64. B) 16. C) 32. D) 8. Show Answer Correct Answer: B) 16. 19. Both, autogamy & geitonogamy are prevented in A) Castor. B) Maize. C) Papaya. D) Cucumber. Show Answer Correct Answer: C) Papaya. 20. A ..... fuses with a ..... in fertilization A) Secondary nucleus, polar nucleus. B) Polar nucleus, female gamete. C) Male gamete, female gamete. D) All of the above. Show Answer Correct Answer: C) Male gamete, female gamete. 21. Given below are 4 technical terms associated with outbreeding devices in angiosperms along with their meaning. One of them is incorrect. Find it. A) Herkogamy-Mechanical barrier. B) Dichogamy-Maturation of anther and pistil at different time. C) Self incompatibility-genetic mechanism preventing fertilisation within same flower. D) Dioecism-bisexual flower. Show Answer Correct Answer: D) Dioecism-bisexual flower. 22. At what temperature are pollens stored in pollen banks? A) -100 'C. B) -156 'C. C) -176 'C. D) -196 'C. Show Answer Correct Answer: D) -196 'C. 23. The stalk which joins ovule and placenta is called A) Funicle. B) Hilum. C) Chalaza. D) Micropyle. Show Answer Correct Answer: A) Funicle. 24. Flowering plants have developed certain outbreeding devices to discourage self-pollination and encourage cross-pollination. One of these is not an example of such outbreeding device. A) Dicliny. B) Herkogamy. C) Dichogamy. D) Cleistogamy. Show Answer Correct Answer: D) Cleistogamy. 25. Egg is- A) 2N. B) 3N. C) 4N. D) 5N. Show Answer Correct Answer: A) 2N. ← 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