This quiz works best with JavaScript enabled. Home > Agriculture > Crop Physiology > Research > Crop Physiology – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Crop Physiology Quiz 3 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Bulbs commonly have to undergo a period of cold to flower or germinate. This is called what? A) Photoperiod. B) Transpiration. C) Vernalization. D) None of the above. Show Answer Correct Answer: C) Vernalization. 2. What do inhibitors do ..... A) Speed up fruit ripening. B) Stimulate cell division. C) Control pests. D) Stimulate cells to promote growth. Show Answer Correct Answer: A) Speed up fruit ripening. 3. Which are growth hormones that are produced by the apical meristem? A) Auxins. B) Gibberelins. C) Cytokins. D) Etiolations. Show Answer Correct Answer: A) Auxins. 4. What word is used to describe a seed that is inactive? A) Sleeping. B) Dormant. C) Metabolism. D) Radicle. Show Answer Correct Answer: B) Dormant. 5. -Allows the light to pass into the leaf-protects the leaf from losing water-contains waxes that resist the movement of water into and out of the cell A) Xylem. B) Guard cell. C) Phloem. D) Cuticle. Show Answer Correct Answer: D) Cuticle. 6. Plant growth regulators can be both ..... and ..... A) Hard, soft. B) Inhibiting, dormant. C) Natural, synthetic. D) Synthetic, helpful. Show Answer Correct Answer: C) Natural, synthetic. 7. Which structure produces energy for the cell? A) Endoplasmic reticulum. B) Mitochondria. C) Golgi. D) Nucleus. Show Answer Correct Answer: B) Mitochondria. 8. In the Kreb's Cycle ..... molecules of NADH2 are formed per molecule of acetyl CoA oxidized to CO2 and H2O. A) 3. B) 4. C) 6. D) 8. Show Answer Correct Answer: A) 3. 9. #4 consists of ..... A) Stigma and anther. B) Filament and anther. C) Ovary and stigma. D) Sepal and stigma. Show Answer Correct Answer: C) Ovary and stigma. 10. What is the name for # 9 A) Receptacle. B) Pedicel. C) Stalk. D) Peduncle. Show Answer Correct Answer: A) Receptacle. 11. ..... love cool weather A) Pumplin. B) Pansies. C) Sweet potato. D) Dahlia. Show Answer Correct Answer: B) Pansies. 12. What is neutral on the pH scale A) 5. B) 7. C) 8. D) 12. Show Answer Correct Answer: B) 7. 13. Which of these statements is incorrect? A) Oxidative phosphorylation takes place in outer mitochondrial membrane. B) Glycolysis operates as long as it is supplied with NADthat can pick up hydrogen atoms. C) Glycolysis occurs in cytosol. D) Enzymes of TCA cycle are present in mitochondrial matrix. Show Answer Correct Answer: A) Oxidative phosphorylation takes place in outer mitochondrial membrane. 14. Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in? A) C4 plants. B) C2 plants. C) C3 and C4 plants. D) C3 plants. Show Answer Correct Answer: A) C4 plants. 15. What is the name of plants that require long nights to flower? A) Stomata. B) Long day plants. C) Short day plants. D) Tropism. Show Answer Correct Answer: C) Short day plants. 16. What is #3 in the image A) Filament. B) Anther. C) Stigma. D) Style. Show Answer Correct Answer: C) Stigma. 17. The plant is swollen and filled with moisture A) Turgid. B) Camphid. C) Wilted. D) Turgor. Show Answer Correct Answer: A) Turgid. 18. Animals store carbohydrates as the molecule called Question Blank 1 of 1 A) Starch. B) Cellulose. C) Protein. D) Glycogen. Show Answer Correct Answer: D) Glycogen. 19. Which organisms undergo photosynthesis to meet their nutritional needs? A) Annelids. B) Paramecia. C) Fungi. D) Angiosperms. Show Answer Correct Answer: D) Angiosperms. 20. Green plants are ..... in their mode of nutrition as they prepare their own food by a process called ..... A) Photosynthesis, movement. B) Autotropic, Photosynthesis. C) Autotropic, Thermonasty. D) Chlorophyll, Hydrotropism. Show Answer Correct Answer: B) Autotropic, Photosynthesis. 21. The source of Oxygen in photosynthesis A) Soil. B) Air. C) Carbon dioxide. D) Water. Show Answer Correct Answer: D) Water. 22. The fluid like substance found inside the chloroplast is called A) Cytoplasm. B) Stroma. C) Thykloids. D) Cell Wall. Show Answer Correct Answer: B) Stroma. 23. A rise of 10$^ \circ$C up to the Optimum temperature (35$^ \circ$C) ..... the rate of photosynthesis. A) Reduces. B) Multiplies. C) Doubles. D) Stabilizes. Show Answer Correct Answer: C) Doubles. 24. Phytochrome is a A) Glycoprotein. B) Lipoprotein. C) Flavoprotein. D) Chromoprotein. Show Answer Correct Answer: D) Chromoprotein. 25. There are two types of Angiosperms; the type of Angiosperm that contain a seed with two cotyledons. A) Monocot. B) Xylem. C) Phloem. D) Dicot. Show Answer Correct Answer: D) Dicot. 26. Grains containing the male sex cells A) Pollen. B) Stigma. C) Filament. D) Anther. Show Answer Correct Answer: A) Pollen. 27. The process which makes major difference between C3 and C4 plants is ; A) Respiration. B) Glycolysis. C) Calvin cycle. D) Photorespiration. Show Answer Correct Answer: D) Photorespiration. 28. Light energy captured by photosynthesis is used in a plant for the synthesis of A) Carbohydrate. B) Carbohydrate, fatty acids and proteins. C) Fatty acids and Proteins. D) None of the above. Show Answer Correct Answer: B) Carbohydrate, fatty acids and proteins. 29. Water soluble pigment found in plant cell vacuoles are; A) Anthocyanins. B) Xanthophylls. C) Chlorophylls. D) Carotenoids. Show Answer Correct Answer: A) Anthocyanins. 30. What is the process where living cells take in oxygen and give off carbon dioxide? A) Oxygen. B) Photosynthesis. C) Cellular Respiration. D) Carbon Dioxide. Show Answer Correct Answer: C) Cellular Respiration. ← PreviousNext →Related QuizzesCrop Physiology QuizzesAgriculture QuizzesCrop Physiology Quiz 1Crop Physiology Quiz 2Crop Physiology Quiz 4 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books