This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 15 Plant Growth And Development – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 15 Plant Growth And Development Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. It is a major bottleneck causing reduction in yield and quality of harvested produce. A) Pathological fruit drop. B) Entomological fruit drop. C) Entomology. D) Pathology. Show Answer Correct Answer: A) Pathological fruit drop. 2. The shoot emerges out of the soil in search of light to start photosynthesis. A) Growth of embryo. B) Growth of radicle. C) Seed emergence. D) Enzyme activation. Show Answer Correct Answer: C) Seed emergence. 3. If you observe a plant with a green, soft stem that does not increase in diameter over time, it is likely: A) A woody eudicot. B) A perennial tree. C) An herbaceous plant undergoing only primary growth. D) A plant with active cork cambium. Show Answer Correct Answer: C) An herbaceous plant undergoing only primary growth. 4. Plant growth substances generally- A) Have a single role. B) Are species-specific. C) Are produced in many parts of plant. D) Affect mainly the cells that produce them. Show Answer Correct Answer: C) Are produced in many parts of plant. 5. What is the process in which the tips of roots and shoots exhibit continuous growth? A) Maturation Phase. B) Elongation Phase. C) Formative Phase. D) Meristematic Phase. Show Answer Correct Answer: D) Meristematic Phase. 6. Apical meristem is found in ..... A) Middle part of the stem. B) Tip of the stem and tip of the root. C) Young leaves. D) Cambium. Show Answer Correct Answer: B) Tip of the stem and tip of the root. 7. What is the process in which cells specialize into morphologically and physiologically different cells? A) Differentiation. B) Karyokinesis. C) Imbibition. D) Mitosis. Show Answer Correct Answer: A) Differentiation. 8. The plant growth process that allows cells to become specialized is ..... A) Cell division. B) Cell differentiation. C) Cell elongation. D) Cell maturation. Show Answer Correct Answer: B) Cell differentiation. 9. Apa karakteristik utama dari pertumbuhan vegetatif? A) Pertumbuhan klorofil. B) Pertumbuhan akar, batang, dan daun. C) Pertumbuhan biji. D) Pertumbuhan bunga dan buah. Show Answer Correct Answer: B) Pertumbuhan akar, batang, dan daun. 10. What is the process by which a seed takes up water rapidly and starts the growth process by activation of enzymes? A) Respiration. B) Imbibition. C) Germination. D) Photosynthesis. Show Answer Correct Answer: B) Imbibition. 11. PGRs stand for? A) Plant Growth Regulators. B) Plant Growth Regular. C) Plant Growth Review. D) Plant Growth Reserved. Show Answer Correct Answer: A) Plant Growth Regulators. 12. Tall plants require water around ..... A) 50-10. B) . C) . D) None of the above. Show Answer Correct Answer: A) 50-10. 13. The fruits can be left on the tree longer so as to extend the market period. This is due to which function of GA? A) Bolting. B) Delay senescence. C) Internodal elongation. D) Parthenocarpy. Show Answer Correct Answer: B) Delay senescence. 14. What is the minimum light intensity required for photosynthesis? A) 100-500 lux. B) 1000-5000 lux. C) 10, 000-30, 000 lux. D) 50, 000-100, 000 lux. Show Answer Correct Answer: C) 10, 000-30, 000 lux. 15. In which stage of growth do plants rest or grow very little? A) Dormant. B) Intermediate. C) Juvenile. D) Reproductive. Show Answer Correct Answer: A) Dormant. 16. Bagian mana dari tanaman yang bertanggung jawab untuk pertumbuhan primer? A) Meristem apikal. B) Kambium. C) Akar. D) Batang. Show Answer Correct Answer: A) Meristem apikal. 17. Removal of shoot tips (decapitation) means loss of apical dominance and it is widely applied in- A) Tea plantation. B) Hedge-making. C) Both a and b. D) Bolting. Show Answer Correct Answer: C) Both a and b. 18. Which part of the plant absorbs water and nutrients from soil? A) Leaves. B) Stem. C) Roots. D) Stomata. Show Answer Correct Answer: C) Roots. 19. This is the emission (giving off) of electrons, thereby releasing energy to be used in photosynthesis, when those electrons are hit with a particle or packet of light. A) Pigmentation. B) Photons. C) Photoelectric effect. D) Absorption spectrum. Show Answer Correct Answer: C) Photoelectric effect. 20. A farmer while growing grape plants in his garden, observes the following:(i) Fruit size normally remained small(ii) Natural seed abortion.(iii)Reduced stem and leaf growth.Which problems could be solved by application of gibberellic acid during the development of fruits? A) (i) and (ii). B) (i) and (iii). C) (i), (ii) and (iii). D) None of these. Show Answer Correct Answer: B) (i) and (iii). 21. What is the main function of the root apical meristem? A) Photosynthesis. B) Nutrient absorption. C) Primary growth and elongation. D) Cell differentiation. Show Answer Correct Answer: C) Primary growth and elongation. 22. This is a kind of plant that flowers and sets seed two or more times in its life. A) Monocarpic. B) Polycarpic. C) Determinant. D) Indeterminant. Show Answer Correct Answer: B) Polycarpic. 23. Which of the following is helpful when recording the growth of a plant? A) Cell Phone. B) Bar Graph. C) Water. D) Fertilizer. Show Answer Correct Answer: B) Bar Graph. 24. Which of the following is an adaptation of xylem to its function? A) Living cells with large vacuoles. B) Thin cell walls made of cellulose only. C) Hollow tubes thickened with lignin for support and transport. D) Cells that actively divide via mitosis. Show Answer Correct Answer: C) Hollow tubes thickened with lignin for support and transport. 25. What is the purpose of the roots in a plant? A) To absorb sunlight. B) To make food. C) To attract pollinators. D) To anchor the plant. Show Answer Correct Answer: D) To anchor the plant. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 15 Plant Growth And Development Quiz 1Class 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 8Class 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