This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants – Quiz 30 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 30 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Nucellar polyembryony is reported in A) Gossypium. B) Triticum. C) Brassica. D) Citrus. Show Answer Correct Answer: D) Citrus. 2. The first division in a pollen grain results in formation of- A) A larger vegetative cell and smaller generative cell. B) A larger generative cell and smaller vegetative cell. C) 2 equal cells. D) 4 male gametes. Show Answer Correct Answer: A) A larger vegetative cell and smaller generative cell. 3. Match column I with column II and select the correct optionfrom the given codes, ColumnI Column II A. Anemophily (i) Grasses, Date palmB. Hydrophily (ii) Rose, JasmineC, Entomophily (iii) Butea, BignoniaD. Ornithophily (iv) Vallisneria, Ceratophyllum A) A-(i), B-(iv), C-(ii), D-(iii). B) A-(i), B-(iv), C-(iii), D-(ii). C) A-(ii), B-(iii), C-(i), D-(iv). D) A-(ii), B-(i), C-(iii), D-(iv). Show Answer Correct Answer: A) A-(i), B-(iv), C-(ii), D-(iii). 4. The sepal ..... A) Attracts other animals. B) Smells good. C) Protects and supports the flower. D) Produces pollen grains. Show Answer Correct Answer: C) Protects and supports the flower. 5. Fertilization A) Asexual reproduction. B) Sexual reproduction. C) All the above. D) None of the above. Show Answer Correct Answer: B) Sexual reproduction. 6. Bees' original motive to go from flower to flower are to get to what? A) Stamen. B) Pollen. C) Nectar. D) None of the above. Show Answer Correct Answer: C) Nectar. 7. The remains of second cotyledon occur in some grasses. It is called A) Scutellum. B) Hypocotyl. C) Epicotyl. D) Epiblast. Show Answer Correct Answer: D) Epiblast. 8. The obturator in Euphorbia develops from A) Funicle. B) Placenta. C) Outer integument. D) Inner integument. Show Answer Correct Answer: B) Placenta. 9. The tallest flower is that of ..... A) Amorphophallus. B) Cucumber. C) Sunflower. D) Sequoia sempervirens. Show Answer Correct Answer: A) Amorphophallus. 10. What is the role of the integument in seed development? A) To provide nutrients. B) To aid in seed dispersal. C) To protect the ovule. D) To facilitate pollination. Show Answer Correct Answer: C) To protect the ovule. 11. The ..... is specialized reproductive structure of a plant in which sexual reproduction takes place. A) Stigma. B) Stamen. C) Flower. D) Ovary. Show Answer Correct Answer: C) Flower. 12. The innermost layer of anther is tapetum whose function is A) Dehiscence. B) Mechanical. C) Nutrition. D) Protection. Show Answer Correct Answer: C) Nutrition. 13. Seed dormancy is broken by: A) Sunlight. B) Water. C) Low temperature. D) All of these. Show Answer Correct Answer: D) All of these. 14. What is the sexual organ of a green plant? A) Leaf. B) Flower. C) Bud. D) Shoot. Show Answer Correct Answer: B) Flower. 15. Section D-One-word answers (convert to MCQ):Select the correct one-word term for the functional unit formed immediately after fertilization. A) Zygote. B) Gamete. C) Sporophyte. D) Embryo. Show Answer Correct Answer: A) Zygote. 16. It is the second layer of microsporangium which helps in dehiscence and protects inner part of it.The layer is A) Tapetum. B) Middle layers. C) Endothecium. D) Epidermis. Show Answer Correct Answer: C) Endothecium. 17. Which is the most common type of embryo sac in angiosperm? A) Tetrasporic with one mitotic stage. B) Monosporic with three sequential mitotic division. C) Monosporic with two sequential mitotic divisions. D) Bisporic with two sequential mitotic divisions. Show Answer Correct Answer: B) Monosporic with three sequential mitotic division. 18. Transfer of pollen grains from the anther to the stigma of another flower of different plants is called A) Autogamy. B) Geitonogamy. C) Xenogamy. D) Chasmogamy. Show Answer Correct Answer: C) Xenogamy. 19. Flowers which have single ovule in the ovary and are packed into an inflorescence are usually pollinated by A) Bee. B) Water. C) Wind. D) Bat. Show Answer Correct Answer: C) Wind. 20. The structure of bilobed anther consists of A) 2 thecae, 2 sporangia. B) 4 thecae, 2 sporangia. C) 4 thecae, 4 sporangia. D) 2 thecae, 4 sporangia. Show Answer Correct Answer: D) 2 thecae, 4 sporangia. 21. SECTION B-FILL IN THE BLANKS. Entry of pollen tube through integuments is called ..... A) Mesogamy. B) Porogamy. C) Chalazogamy. D) Autogamy. Show Answer Correct Answer: A) Mesogamy. 22. Section C-True or False:Endosperm is diploid in angiosperms. Choose True or False. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 23. Megaspore mother cell is found near the region of A) Micropyle. B) Chalaza. C) Nucellus. D) Integuments. Show Answer Correct Answer: A) Micropyle. 24. Which of the following is not a water pollinated plants? A) Hydrilla. B) Zostera. C) Vallisneria. D) Cannabis. Show Answer Correct Answer: D) Cannabis. 25. Ovules contain many embryo in A) Citrus. B) Apple. C) Mango. D) Both (a) and (c). Show Answer Correct Answer: D) Both (a) and (c). ← 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