This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 15 Plant Growth And Development – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 15 Plant Growth And Development Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which factor is required by the germinating seed for metabolism and is used as a part of aerobic respiration? A) Water. B) Oxygen. C) Light. D) Temperature. Show Answer Correct Answer: B) Oxygen. 2. The physiological process of fruit drop is called? A) Acids. B) Abscission. C) Catabolic. D) Anabolic. Show Answer Correct Answer: B) Abscission. 3. During which phase of growth in plants does cell division dominate? A) Formative Phase. B) Cell Enlargement and Differentiation. C) Cell Maturation. D) Elongation Phase. Show Answer Correct Answer: A) Formative Phase. 4. Apa fungsi utama dari jaringan meristem? A) Pembelahan sel. B) Penyimpanan air. C) Fotosintesis. D) Penyerap nutrisi. Show Answer Correct Answer: A) Pembelahan sel. 5. In order to increase the yield of sugarcane crop, which of the following should be sprayed? A) Cytokinin. B) Ethylene. C) Auxin. D) Gibberellin. Show Answer Correct Answer: D) Gibberellin. 6. Palnts that flower only when day length drops below a certain threshold are called . A) Long day plants. B) Short day plants. C) Day neutral. D) Photo period. Show Answer Correct Answer: B) Short day plants. 7. Photophosphorylation is the synthesis of A) DNA. B) RNA. C) ADP. D) ATP. Show Answer Correct Answer: D) ATP. 8. Where is cytokinin produced in the tissue? A) Old leaves. B) Roots. C) Secondary stem. D) Seeds. Show Answer Correct Answer: B) Roots. 9. This is a kind of plant that flowers and sets seed only once in its life. A) Monocarpic. B) Polycarpic. C) Determinant. D) Indeterminant. Show Answer Correct Answer: A) Monocarpic. 10. Simultaneous leaf senescence is found in- A) Annuals. B) Biennials. C) Perennials. D) Evergreen plants. Show Answer Correct Answer: C) Perennials. 11. What is meristematic tissue? A) Tissue consisting of fully specialized cells. B) Tissue consisting of dying cells. C) Tissue consisting of cells capable of division. D) Tissue that supports the plant body. Show Answer Correct Answer: C) Tissue consisting of cells capable of division. 12. Plants ..... with air. A) Turn oxygen into carbon dioxide. B) Always breathe. C) Do not do anything. D) Turn carbon dioxide into oxygen. Show Answer Correct Answer: D) Turn carbon dioxide into oxygen. 13. Which part does a bee NOT have? A) Antenna. B) Thumbs. C) Pollen Sac. D) Wings. Show Answer Correct Answer: B) Thumbs. 14. Which plant growth regulator promotes cell division? A) Ethylene. B) Cytokinins. C) Gibberellins. D) Auxin. Show Answer Correct Answer: B) Cytokinins. 15. The response of different organisms to environment rhythms of light and darkness is called A) Phototropism. B) Photoaxis. C) Photoperiodism. D) Vernalisation. Show Answer Correct Answer: C) Photoperiodism. 16. The more light a plant absorbs, the more photosynthesis can occur. A) Wavelength. B) Light intensity. C) Carbon dioxide concentration. D) Temperature. Show Answer Correct Answer: B) Light intensity. 17. Varieties are cultivated by humans and Cultivars occur naturally. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 18. This type of plant cell swells and deflates in order to control the gas exchange (respiration) rate? A) Ground. B) Dermal. C) Guard. D) Plant. Show Answer Correct Answer: C) Guard. 19. The impulses from CNS to skeletal muscles are relayed through A) SNS. B) Somatic neural system. C) PSNS. D) All of these. Show Answer Correct Answer: B) Somatic neural system. 20. Long day plants flower specially when the- A) Light period is lesser than some critical lengt. B) Light period is greater than some critical period. C) Dark period is less than some critical length. D) Dark period is more than some critical length. Show Answer Correct Answer: B) Light period is greater than some critical period. 21. Why do some seeds require extreme temperatures for germination? A) To break down the hard seed coat. B) To increase the amount of sunlight. C) To absorb more nutrients from the soil. D) To speed up photosynthesis. Show Answer Correct Answer: A) To break down the hard seed coat. 22. A plant hormone used for inducing morphogennesis in plant tissue culture is A) Abscicic acid. B) Gibberellins. C) Cytokinins. D) Ethylene. Show Answer Correct Answer: C) Cytokinins. 23. A-short fibres which branch repeatedly and project out of the cell body also contains nissil's granules R-these fibres are called dendrites A) A&R both true, R is correct explanation of A. B) A&R both true, but R is not correct explanation of A. C) A is true but R is false. D) Both A&R are false. Show Answer Correct Answer: A) A&R both true, R is correct explanation of A. 24. What is the function of gibberellin hormone? A) Inhibits cell division. B) Stimulates seed germination. C) Inhibits apical dominance. D) Accelerates fruit ripening. Show Answer Correct Answer: B) Stimulates seed germination. 25. The process of food Manufacture in plants. A) Transpiration. B) Respiration. C) Photosynthesis. D) Diffusion. Show Answer Correct Answer: C) 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