This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 15 Plant Growth And Development – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 15 Plant Growth And Development Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The technical term used in the edible parts of the plants. A) Curd. B) Shoot. C) Spear. D) Head. Show Answer Correct Answer: B) Shoot. 2. Apa peran air dalam pertumbuhan tanaman? A) Menyerap sinar matahari. B) Memberikan CO2 untuk fotosintesis. C) Berfungsi sebagai pelarut dan media transportasi. D) Meningkatkan suhu. Show Answer Correct Answer: C) Berfungsi sebagai pelarut dan media transportasi. 3. Hypogeal germination usually occurs in plants ..... A) Dicot. B) Monocot. C) Gymnospermae. D) Bryophyta. Show Answer Correct Answer: B) Monocot. 4. Shoot initiation is promoted mainly by- A) Auxin. B) Cytokinin. C) Gibberallin. D) Ethylene. Show Answer Correct Answer: B) Cytokinin. 5. During pollination, what part of the flower does pollen stick to? *Hint:It's sticky! A) Stigma. B) Petals. C) Roots. D) None of the above. Show Answer Correct Answer: A) Stigma. 6. What is the function of the stem in a plant? A) To absorb water. B) To store food. C) To support the plant. D) To produce pollen. Show Answer Correct Answer: C) To support the plant. 7. One set of a plant was grown at 12 h day and 12 h night period cycles and it flowered, while in the other set night phase was interrupted by flash of light and it did not produce flower. Under which one of the following categories will you place this plant? A) Long day. B) Darkness neutral. C) Day neutral. D) Short day. Show Answer Correct Answer: D) Short day. 8. This bee has a lifespan of 3-5 years. There is only 1 in each hive. A) Worker Bee. B) Honey Bee. C) Drone Bee. D) Queen Bee. Show Answer Correct Answer: D) Queen Bee. 9. Which hormone is known as the stress hormone in plants? A) Abscisic Acid. B) Gibberellins. C) Auxin. D) Cytokinins. Show Answer Correct Answer: A) Abscisic Acid. 10. A region of tissue at the tips of shoots and roots where rapid cell division occurs to make that part of the plant longer. A) Apical meristem. B) Embryogenesis. C) Mitosis. D) Phloem. Show Answer Correct Answer: A) Apical meristem. 11. What is the term used for the increase in the length of the plant body by the division of the meristematic cells? A) Primary Growth. B) Limited Growth. C) Secondary Growth. D) Unlimited Growth. Show Answer Correct Answer: A) Primary Growth. 12. Which of the following is NOT a benefit of hybrid plants? A) More vigor. B) More uniformity. C) Disease resistance. D) They are all annuals. Show Answer Correct Answer: D) They are all annuals. 13. Photosynthesis occurs in ..... , organelles in certain plants. A) Chloroplasts. B) Organelles. C) Inside the leaves. D) Stomata. Show Answer Correct Answer: A) Chloroplasts. 14. Treating seeds to stimulate natural conditions (usually placing them in a cold area for a period of time) in order to promote germination. A) Hardening off. B) Hybridization. C) Stratification. D) Scarification. Show Answer Correct Answer: C) Stratification. 15. Why does a growing container need to have holes in the bottom? A) Water drainage. B) To plant seeds there. C) To let light in. D) It doesn't need holes. Show Answer Correct Answer: A) Water drainage. 16. Can seeds float on water? A) No. B) Yes. C) All the above. D) None of the above. Show Answer Correct Answer: B) Yes. 17. Which of the following is cytokinin? A) Phytochrome. B) LeucineEthylene. C) Ethylene. D) Zeatin. Show Answer Correct Answer: D) Zeatin. 18. Which of the following statements regarding photoperiodism is false? A) The response of plants to periods of light / day is termed photoperiodism. B) The shoot apices cannot perceive photoperiods. C) In day neutral plants there is no correlation between exposure to light duration and induction of flowering response. D) The site of perception of the light / dark duration is the flower. Show Answer Correct Answer: D) The site of perception of the light / dark duration is the flower. 19. Auxin was discovered by A) Charles Darwin. B) F.W. Went. C) Francis Darwin. D) F. Skoog. Show Answer Correct Answer: B) F.W. Went. 20. What is the outer layer that protects a seed called? A) A shell. B) A coat. C) A seed cover. D) An envelope. Show Answer Correct Answer: C) A seed cover. 21. A green pigment A) Chlorophyll. B) Carotene. C) Xanthophyll. D) Melanin. Show Answer Correct Answer: A) Chlorophyll. 22. To speed up the malting process in brewing industry the growth hormone used is A) Auxin. B) Gibberellin. C) Kinetin. D) Ethylene. Show Answer Correct Answer: B) Gibberellin. 23. Acetylcholine is a: A) Hormone. B) Brain peptide. C) Neurotransmitter. D) Digestive enzyme. Show Answer Correct Answer: C) Neurotransmitter. 24. Which process occurs in the 'Zone of Cell Division'? A) Meiosis. B) Osmosis. C) Mitosis. D) Differentiation. Show Answer Correct Answer: C) Mitosis. 25. What is a common disadvantage of chemical fertilizers? A) They improve the structure of the soil. B) They are inexpensive and easy to use. C) They add toxins to the soil. D) They increase the soil's ability to hold water. Show Answer Correct Answer: C) They add toxins to the soil. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 15 Plant Growth And Development Quiz 1Class 11 Biology Chapter 15 Plant Growth And Development Quiz 2Class 11 Biology Chapter 15 Plant Growth And Development Quiz 3Class 11 Biology Chapter 15 Plant Growth And Development Quiz 4Class 11 Biology Chapter 15 Plant Growth And Development Quiz 5Class 11 Biology Chapter 15 Plant Growth And Development Quiz 6Class 11 Biology Chapter 15 Plant Growth And Development Quiz 7Class 11 Biology Chapter 15 Plant Growth And Development Quiz 9Class 11 Biology Chapter 15 Plant Growth And Development Quiz 10Class 11 Biology Chapter 15 Plant Growth And Development Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books