This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 15 Plant Growth And Development – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 15 Plant Growth And Development Quiz 25 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The discovery of auxin is traced back to the work of Charles and Francis Darwin. In their experiments, they studied A) Photonastic movement. B) Photoperiodism. C) Phototropism. D) Photosynthesis. Show Answer Correct Answer: C) Phototropism. 2. It is a leaf movement or orientation following the direction of the sun's ray. A) Heliotropism. B) Geotropism. C) Hydrotropism. D) Gravitropism. Show Answer Correct Answer: A) Heliotropism. 3. Which one include growth inhibitors? A) ABA, Cytokinin. B) GA, IAA. C) ABA, C$_{2}$H$_{4}$. D) None. Show Answer Correct Answer: C) ABA, C$_{2}$H$_{4}$. 4. What is the main function of gibberellins in plants? A) Nutrient storage. B) Root development. C) Cell elongation. D) Inhibition of growth. Show Answer Correct Answer: C) Cell elongation. 5. Berakhirnya masa dormansi biji (perkecambahan) ditandai dengan terserapnya air kedalam sel-sel biji, proses tersebut dinamakan dengan ..... A) Osmosis. B) Difusi. C) Metamorfosis. D) Endosperm. E) Imbibisi. Show Answer Correct Answer: E) Imbibisi. 6. The number of ATP produce in electron transport system if the electron carrier is FAD A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 7. If a part of pith from the stem of a plant is used as an explant and cultured on nutrient medium, which of the following processes is responsible for the formation of an undifferentiated mass of cells called callus? A) Growth. B) Differentiation. C) Dedifferentiation. D) Redifferentiation. Show Answer Correct Answer: C) Dedifferentiation. 8. Which of the following is an internal factor that influences plant growth and development? A) Sunlight. B) Water. C) Hormones. D) Soil. Show Answer Correct Answer: C) Hormones. 9. When a plant first begins growing from a seed, the stage of growth is: A) Dormant. B) Juvenile. C) Mature. D) Reproductive. Show Answer Correct Answer: B) Juvenile. 10. Removal of shoot tips is a very useful technique to boost the production of tealeaves. This is because: A) Gibberellins delay senescence of leaves. B) Gibberellins prevent bolting and are inactivated. C) Auxins prevent leaf drop at early stages. D) Effect of auxins is removed and growth of lateral buds is enhanced. Show Answer Correct Answer: D) Effect of auxins is removed and growth of lateral buds is enhanced. 11. Geotropism is plant response to ..... A) Water. B) Light. C) Touch. D) Gravity. Show Answer Correct Answer: D) Gravity. 12. Berdasarkan data tersebut dapat diketahui bahwa pertumbuhan tanaman kacang hijau dipengaruhi oleh faktor ..... A) Umur tanaman dan suhu lingkungan. B) Intensitas cahaya dan media tanam. C) Suhu lingkungan dan unsur hara. D) Jenis tanaman dan unsur hara. E) Media tanam dan air. Show Answer Correct Answer: B) Intensitas cahaya dan media tanam. 13. Removal of auxin source demonstrates that leaf abscission is ..... by auxin, and apical dominance is ..... by auxin. A) Promoted, promoted. B) Inhibited, inhibited. C) Promoted, inhibited. D) Inhibited, promoted. Show Answer Correct Answer: D) Inhibited, promoted. 14. Chemical messengers that are produced in the plant and control growth. A) Hormones. B) Tropisms. C) Compounds. D) Sugars. Show Answer Correct Answer: A) Hormones. 15. What is cell differentiation? A) Process by which cells produce more cells. B) Process by which cells become specialized. C) Process by which cells become unspecialized. D) Process by which cells die. Show Answer Correct Answer: B) Process by which cells become specialized. 16. These are important indicators of the adaptive evolution of seed germination. A) Seasonal temperature changes. B) Climate and geographical changes. C) Environmental variability. D) Germination. Show Answer Correct Answer: B) Climate and geographical changes. 17. The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. A) Transpiration. B) Chlorophyll. C) Photosynthesis. D) Chromosomes. Show Answer Correct Answer: C) Photosynthesis. 18. In order for a seed to sprout it does NOT need proper amounts of: A) Water. B) Light. C) Oxygen. D) Soil. Show Answer Correct Answer: D) Soil. 19. What happens if any of the ingredients for photosynthesis is lacking? A) Photosynthesis stops. B) Oxidation stops. C) Respiration stops. D) Transpiration stops. Show Answer Correct Answer: A) Photosynthesis stops. 20. Protects the seeds A) Vegetable. B) Fruit. C) Leaf. D) Root. Show Answer Correct Answer: B) Fruit. 21. Uses of auxin in agriculture except 1. A) Rooting of cuttings. B) Promoting of flowering. C) Germination. D) Falling of flowers. Show Answer Correct Answer: D) Falling of flowers. 22. Which of the following can be used in plant propagation to promote root growth- A) Auxin. B) Cytokinin. C) Gibberellin. D) Ethylene. Show Answer Correct Answer: A) Auxin. 23. Apa perbedaan utama antara pertumbuhan primer dan sekunder pada tanaman? A) Pertumbuhan primer terjadi di akar, sementara sekunder terjadi di batang. B) Pertumbuhan primer melibatkan perpanjangan sel, sementara sekunder melibatkan penebalan jaringan. C) Pertumbuhan primer terjadi pada monokotil, sementara sekunder terjadi pada dikotil. D) Pertumbuhan primer bersifat sementara, sementara sekunder bersifat permanen. Show Answer Correct Answer: B) Pertumbuhan primer melibatkan perpanjangan sel, sementara sekunder melibatkan penebalan jaringan. 24. What is the main role of chloroplasts in plant cells? A) Trapping light energy. B) Storing water. C) Producing oxygen. D) Transporting minerals. Show Answer Correct Answer: A) Trapping light energy. 25. What type of fertilizer would you recommend for rapid growth in plants suffering from calcium deficiency? A) Organic fertilizer. B) Chemical fertilizer. C) Compost. D) Bio-fertilizer. Show Answer Correct Answer: B) Chemical fertilizer. ← 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 8Class 11 Biology Chapter 15 Plant Growth And Development Quiz 9Class 11 Biology Chapter 15 Plant Growth And Development Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books