This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is correct about Parthenium (Carrot grass)? A) Parthenium came into India as a contaminant with imported wheat. B) It has become ubiquitous in occurence. C) It causes pollen allergy. D) All of the above. Show Answer Correct Answer: D) All of the above. 2. The ploidy of generative cell in a pollen grain is A) Haploid. B) Diploid. C) Triploid. D) Tetraploid. Show Answer Correct Answer: A) Haploid. 3. Pollen grains are shed at 2-celled stage in A) 60% angiosperms. B) 40% angiosperms. C) 20% angiosperms. D) 80% angiosperms. Show Answer Correct Answer: A) 60% angiosperms. 4. The function of a flower is to produce ..... and to ensure that fertilization will take place. A) Diploid gametes. B) Haploid zygote. C) Haploid gametes. D) Diploid egg. Show Answer Correct Answer: C) Haploid gametes. 5. Which of the following is the correct composition of EGG APPARATUS? A) Egg and Polar nuclei. B) Egg and antipodals. C) Egg and Synergids. D) Egg, Synergids and Polar nuclei. Show Answer Correct Answer: C) Egg and Synergids. 6. Radicle give rise to A) Stem. B) Root. C) Leaf. D) Branch. Show Answer Correct Answer: B) Root. 7. Nemec phenonmenon is not observed in A) Hyacinthus. B) Ornithogalum. C) Portulaca. D) Leptomaria. Show Answer Correct Answer: C) Portulaca. 8. What is the function of endosperm? A) It provides nutrients for developing flowers. B) It supplies the nuclei necessary for double fertilization. C) It stores food for developing embryo in angiosperms. D) It is a source of nutrition for developing cones in gymnosperms. Show Answer Correct Answer: C) It stores food for developing embryo in angiosperms. 9. During porogamy the pollen tube enters into the ovule through the A) Integument. B) Chalaza. C) Micropylar end. D) Funicle. Show Answer Correct Answer: C) Micropylar end. 10. Which nucleus responsibles in the formation of pollen tube from the pollen grain? A) Generative nucleus. B) Tube nucleus. C) Polar nuclei. D) Triploid nuclei. Show Answer Correct Answer: B) Tube nucleus. 11. Which of the following structures are haploid in nature? A) Nucellus and antipodals. B) Microspores mother cell and antipodals. C) Egg cell and antipodals. D) Egg and central cell. Show Answer Correct Answer: C) Egg cell and antipodals. 12. After fertilization, there is a change in the floral parts. Find the incorrect change. Exceptions may not be considered. A) Egg to Zygote to Embryo. B) Ovule to fruit. C) Central cell to Endosperm. D) Outer integument to testa. Show Answer Correct Answer: B) Ovule to fruit. 13. Pollination in water lily is brought about by the agency of A) Water. B) Wind or insect. C) Birds. D) Bats. Show Answer Correct Answer: B) Wind or insect. 14. What is the function of germ pore? A) Emergence of radicle. B) Absorption of water for seed germination. C) Initiation of pollen tube. D) All the above. Show Answer Correct Answer: D) All the above. 15. What type of seeds are found in wheat, maize and barley? A) Non-albuminous. B) Albuminous. C) Albuminous seeds are found in wheat, whereas maize and barley have non-albuminous seeds. D) Barley and maize have albuminous seeds, whereas whaet has non-albuminous seeds. Show Answer Correct Answer: B) Albuminous. 16. How many microspore mother cell are required to produce 1000 microspores/pollen grains? A) 100. B) 150. C) 200. D) 250. Show Answer Correct Answer: D) 250. 17. Mass of cells enclosed with in the integuments are called A) Nucleus. B) Nucellus. C) Tapetum. D) Embryo. Show Answer Correct Answer: B) Nucellus. 18. Match column I with column II and select the correct optionfrom the given codes. Column I Column II A. Tallest flower (i) MaizeB. Pronuba moth (ii) Amorphophallus C. Anemophily (iii) Salvia D. Entomophily (iv) Yucca A) A-(ii), B-(iv), C-(i), D-(iii). B) A-(ii), B-(iv), C-(iii), D-(i). C) A-(iii), B-(ii), C-(i), D-(iv). D) A-(iv), B-(i11), C-(ii), D-(i). Show Answer Correct Answer: A) A-(ii), B-(iv), C-(i), D-(iii). 19. The number of ovules are many in the ovary of ..... A) Wheat. B) Paddy. C) Mango. D) Orchids. Show Answer Correct Answer: D) Orchids. 20. To form four fully developed polygonum type of embryo sacs in angiosperms total number of meiosis and mitosis divisions generations required are A) 4, 12. B) 1, 3. C) 4, 4. D) 1, 12. Show Answer Correct Answer: A) 4, 12. 21. What is the significance of fruit formation? A) To promote root growth. B) To protect seeds and aid in dispersal. C) To enhance photosynthesis. D) To attract pollinators. Show Answer Correct Answer: B) To protect seeds and aid in dispersal. 22. Vegetative/Asexual reproduction and apomixis are common to each other in A) Type of cell division. B) Clone nature of offspring. C) Both (a) and (b). D) Only in dicot plant. Show Answer Correct Answer: C) Both (a) and (b). 23. Which of the following fruit is naturally produced by parthenocarpy? A) Brinjal. B) Oranges. C) Watermelon. D) Banana. Show Answer Correct Answer: D) Banana. 24. What is the female part of the plant called? A) Style. B) Carpel. C) Stamen. D) Stigma. Show Answer Correct Answer: B) Carpel. 25. All the individuals produced through asexual reproduction from a parent is called? A) Trait. B) Clone. C) Gamete. D) Tissue. Show Answer Correct Answer: B) Clone. ← 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 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books