This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 15 Plant Growth And Development – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 15 Plant Growth And Development Quiz 11 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which part of the seed becomes the fruit? A) Seed coat. B) Endosperm. C) Ovary. D) Fetus. Show Answer Correct Answer: C) Ovary. 2. What is the primary function of lateral meristems? A) Increase plant height. B) Form leaf primordia. C) Increase the circumference of the stem and root. D) Protect the root tip. Show Answer Correct Answer: C) Increase the circumference of the stem and root. 3. Jenis pertumbuhan apa yang mengakibatkan penebalan pada tanaman? A) Pertumbuhan sekunder. B) Pertumbuhan vegetatif. C) Pertumbuhan generatif. D) Pertumbuhan primer. Show Answer Correct Answer: A) Pertumbuhan sekunder. 4. At which stage of plant growth do buds begin to form? A) Sprout. B) Vegetating. C) Budding. D) Flowering. Show Answer Correct Answer: C) Budding. 5. What is the ideal temperature range for photosynthesis to occur at its highest rate? A) 65$^\circ$ to 85$^\circ$F. B) 75$^\circ$ to 95$^\circ$F. C) 45$^\circ$ to 65$^\circ$F. D) 55$^\circ$ to 75$^\circ$F. Show Answer Correct Answer: A) 65$^\circ$ to 85$^\circ$F. 6. The term "auxin" is used for- A) IAA. B) NAA. C) 2, 4-D and 2, 4, 5-T. D) All. Show Answer Correct Answer: D) All. 7. Bolting is- A) Internodal elongation just prior to flowering in beet, cabbage and many plants with rosette habit. B) A type of grafting. C) Nodal elongation in certain plants. D) None. Show Answer Correct Answer: A) Internodal elongation just prior to flowering in beet, cabbage and many plants with rosette habit. 8. C$_{2}$H$_{4}$ is synthesised in large amounts by- A) Shoot tip. B) Root tip. C) Young leaves. D) Tissue undergoing senescence and ripening fruits. Show Answer Correct Answer: D) Tissue undergoing senescence and ripening fruits. 9. Which of the following is NOT a symptom of nutrient deficiencies in seedlings (and mature plants)? A) Pale yellow leaves. B) Purpling leaves. C) Bright yellow veins. D) Dark green color. Show Answer Correct Answer: D) Dark green color. 10. Rate of growth per unit time is called as A) Metabolism. B) Efficiency index. C) Differentiation. D) Redifferentiation. Show Answer Correct Answer: B) Efficiency index. 11. What is the process of transferring pollen from the male part of the flower to the female part? A) Photosynthesis. B) Fertilization. C) Germination. D) Pollination. Show Answer Correct Answer: D) Pollination. 12. Pada metabolisme, enzim mempercepat reaksi tetapi tidak ikut bereaksi sehingga disebut ..... A) Regulator. B) Inhibitor. C) Katalisator. D) Transmitor. E) Oksidator. Show Answer Correct Answer: C) Katalisator. 13. Which of the following is a characteristic of secondary growth? A) Involves apical meristem. B) Involves lateral meristem. C) Is irreversible. D) Occurs only in roots. Show Answer Correct Answer: B) Involves lateral meristem. 14. What happens to seeds planted in paper towels compared to soil initially? A) They grow much faster. B) They die immediately. C) They grow at the same speed. D) They don't grow at all. Show Answer Correct Answer: A) They grow much faster. 15. What is the process of seed development and growth called? A) Germination. B) Respiration. C) Photosynthesis. D) Transpiration. Show Answer Correct Answer: A) Germination. 16. What part of a seed protects the embryo from drying out? A) Cotyledon. B) Seed coat. C) Embryo stem. D) Embryo root. Show Answer Correct Answer: B) Seed coat. 17. Faktor manakah yang TIDAK mempengaruhi pertumbuhan tanaman? A) Udara. B) Cahaya. C) Tanah. D) Gravitasi. Show Answer Correct Answer: D) Gravitasi. 18. I. Cytokinin is primarily concerned with cell divisionII. C$_{2}$H$_{4}$ breaks seed and bud dormanyIII. ABA stimulates the opening of stomataIV. C$_{2}$H$_{4}$ initiates germination in peanut seeds, sprouting of potato tubersV. ABA is synergistic to GAThe false statement is- A) I, II, IV. B) III, V. C) III, IV. D) IV, V. Show Answer Correct Answer: B) III, V. 19. Seorang pedagang buah menggunakan gas etilen dalam penyimpanan mangga yang masih mentah. Tujuan pemberian etilen adalah ..... A) Menghambat pematangan buah. B) Mempercepat pematangan buah. C) Menghambat perkecambahan biji. D) Mengurangi dominasi apikal. E) Memacu pembelahan sel. Show Answer Correct Answer: B) Mempercepat pematangan buah. 20. This is a hormone that promotes fruit ripening. A) Abscisic acid. B) Auxin. C) Cytokinin. D) Ethylene. Show Answer Correct Answer: D) Ethylene. 21. Can manufactured its own food with sunlight as source of energy. A) Animal. B) Plants. C) Human. D) Heart. Show Answer Correct Answer: B) Plants. 22. Main factors affecting photosynthesis except A) Light intensity. B) Wavelength. C) Carbon. D) Ho2. Show Answer Correct Answer: D) Ho2. 23. What is the main function of stomata? A) To store water. B) To produce chlorophyll. C) To support the plant. D) To allow air to enter and exit leaves. Show Answer Correct Answer: D) To allow air to enter and exit leaves. 24. Promote cell division, involved in branching and stimulting bud initiation. A) Cytonikin. B) Cytokinins. C) Cytoknin. D) Cytoniik. Show Answer Correct Answer: B) Cytokinins. 25. The process by which plants use solar energy, carbon dioxide, and water to create oxygen and stored sugar. A) Respiration. B) Photosynthesis. C) Transpiration. D) Fermentation. Show Answer Correct Answer: B) Photosynthesis. ← 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