This quiz works best with JavaScript enabled. Home > Crop Physiology > Research > Crop Physiology – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Crop Physiology Quiz 4 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. After a period of heavy rainfall, how would plants remove excess water? A) Produce more seeds. B) Make more food. C) Drop their leaves. D) Open their stomata. Show Answer Correct Answer: D) Open their stomata. 2. Photosynthesis is a ..... process A) Catabolic. B) Anabolic. C) Exothermic. D) None of the above. Show Answer Correct Answer: B) Anabolic. 3. What is the definition of a Long day plant? A) Plants that require long nights to flower. B) Plants that require short nights to flower. C) Plants that don't require a specific photoperiod. D) Tiny openings in plant epidermis for gas exchange. Show Answer Correct Answer: B) Plants that require short nights to flower. 4. 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. 5. What do inhibitors do ..... A) Speed up fruit ripening. B) Stimulate cell division. C) Stimulate cells to promote growth. D) Control pests. Show Answer Correct Answer: A) Speed up fruit ripening. 6. Which are growth hormones that are produced by the apical meristem? A) Gibberelins. B) Auxins. C) Cytokins. D) Etiolations. Show Answer Correct Answer: B) Auxins. 7. #5 is the A) Stigma. B) Pedicel. C) Filament. D) Anther. Show Answer Correct Answer: D) Anther. 8. 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. 9. -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) Cuticle. B) Guard cell. C) Xylem. D) Phloem. Show Answer Correct Answer: A) Cuticle. 10. Plant growth regulators can be both ..... and ..... A) Natural, synthetic. B) Hard, soft. C) Synthetic, helpful. D) Inhibiting, dormant. Show Answer Correct Answer: A) Natural, synthetic. 11. Which structure produces energy for the cell? A) Mitochondria. B) Nucleus. C) Golgi. D) Endoplasmic reticulum. Show Answer Correct Answer: A) Mitochondria. 12. In the Kreb's Cycle ..... molecules of NADH2 are formed per molecule of acetyl CoA oxidized to CO2 and H2O. A) 4. B) 8. C) 3. D) 6. Show Answer Correct Answer: C) 3. 13. #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. 14. What is the name for # 9 A) Stalk. B) Pedicel. C) Receptacle. D) Peduncle. Show Answer Correct Answer: C) Receptacle. 15. ..... love cool weather A) Dahlia. B) Sweet potato. C) Pansies. D) Pumplin. Show Answer Correct Answer: C) Pansies. 16. What is neutral on the pH scale A) 5. B) 7. C) 8. D) 12. Show Answer Correct Answer: B) 7. 17. Which of these statements is incorrect? A) Glycolysis operates as long as it is supplied with NADthat can pick up hydrogen atoms. B) Oxidative phosphorylation takes place in outer mitochondrial membrane. C) Glycolysis occurs in cytosol. D) Enzymes of TCA cycle are present in mitochondrial matrix. Show Answer Correct Answer: B) Oxidative phosphorylation takes place in outer mitochondrial membrane. 18. 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. 19. What is the name of plants that require long nights to flower? A) Short day plants. B) Long day plants. C) Stomata. D) Tropism. Show Answer Correct Answer: A) Short day plants. 20. What is #3 in the image A) Filament. B) Stigma. C) Style. D) Anther. Show Answer Correct Answer: B) Stigma. ← PreviousNext →Related QuizzesCrop Physiology QuizzesCrop Physiology Quiz 1Crop Physiology Quiz 2Crop Physiology Quiz 3Crop Physiology Quiz 5Crop Physiology Quiz 6 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books