This quiz works best with JavaScript enabled. Home > Crop Physiology > Crop Physiology – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Crop Physiology Quiz 2 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Bolting is induced by ..... hormone. A) GA2. B) IAA. C) IPA. D) GA3. Show Answer Correct Answer: D) GA3. 2. What is photosynthesis? A) The process plants use to turn carbon dioxide and water into food. B) The process plants use to chlorophyll and sunlight into air. C) The process plants use to turn sunlight and chlorophyll into soil. D) The process plants use to turn chocolate and milk into chocolate milk. Show Answer Correct Answer: A) The process plants use to turn carbon dioxide and water into food. 3. Transpiration A) Process by which a plant gives up water vapor to the atmosphere. B) A series of processes in which solar energy is converted to chemical energy. C) Process by which living cells take in oxygen and give off Carbon Dioxide. D) Study of how these organs function and the complex chemical processes that permit the plant to live, grow and reproduce. Show Answer Correct Answer: A) Process by which a plant gives up water vapor to the atmosphere. 4. Photosynthesis is carried out in the ..... A) Palisade cells. B) Stoma. C) Xylem. D) Phloem. Show Answer Correct Answer: A) Palisade cells. 5. Which structure is the main site of photosynthesis? A) Stem. B) Roots. C) Leaves. D) Flowers. Show Answer Correct Answer: C) Leaves. 6. What is the first process in photosynthesis? A) Photosystem I. B) Photosystem II. C) Calvin Cycle. D) Dark Reactions. Show Answer Correct Answer: B) Photosystem II. 7. Name for #6 A) Anther. B) Style. C) Pedicel. D) Filament. Show Answer Correct Answer: D) Filament. 8. Steps of Photosynthesis- A) Food is produced, Occurs in cells containing chloroplasts, Energy is stored, Carbon Dioxide is used, Oxygen is released, Water is used, it occurs in sunlight. B) Food is produced, Energy is stored, Oxygen is released, Occurs in cells containing chloroplasts, oxygen is released, water is used, Carbon Dioxide is used, It occurs in sunlight. C) Food is produced, Energy is stored, Occurs in cells containing chloroplasts, Oxygen is released, Water is used, Carbon Dioxide is used, It occurs in sunlight. D) None of above. Show Answer Correct Answer: C) Food is produced, Energy is stored, Occurs in cells containing chloroplasts, Oxygen is released, Water is used, Carbon Dioxide is used, It occurs in sunlight. 9. It takes a very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants through the year to increase yield? A) Gibberellin and Abscisic acid. B) Cytokinin and Abscisic acid. C) Auxin and Ethylene. D) Gibberellin and Cytokinin. Show Answer Correct Answer: C) Auxin and Ethylene. 10. In what process does the plant give up water vapor to the atmosphere? A) Photosynthesis. B) Transpiration. C) Respiration. D) None of above. Show Answer Correct Answer: B) Transpiration. 11. During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by? A) Carotene. B) Cytochrome. C) Leghaemoglobin. D) Xanthophyll. Show Answer Correct Answer: C) Leghaemoglobin. 12. What is the most common specialized stem used for food? A) Tuber. B) Fibrous. C) Hairy. D) Branch. Show Answer Correct Answer: A) Tuber. 13. Chloroplasts A) Essential to the process. B) Small membrane bound bodies inside the cell that contain the green chlorophyll pigment. C) Most important life-sustaining process. D) All living cells carry on the process of repiration. Show Answer Correct Answer: B) Small membrane bound bodies inside the cell that contain the green chlorophyll pigment. 14. Which tropism is a response to light? A) Lighttropism. B) Phototropism. C) Thigmotropism. D) Hydrotropism. Show Answer Correct Answer: B) Phototropism. 15. The process through which plants leaves, stems and roots consume oxygen and give off carbon dioxide is? A) Absorption. B) Translocation. C) Respiration. D) Photosynthesis. Show Answer Correct Answer: C) Respiration. 16. Chlorophyll is important in plants because A) Creats an atmosphere where it can determine the osmotic presure. B) Allows the plant to make good xylem tissue. C) Make sit possible for plants to grow. D) It takes carbon dioxide and makes oxygen. Show Answer Correct Answer: D) It takes carbon dioxide and makes oxygen. 17. The female reproductive cells are found in the ..... A) Seed. B) Pollen. C) Ovule. D) Root. Show Answer Correct Answer: C) Ovule. 18. Instead of-CH3 group at the third C of the side group of Chl a, Chl b has A) -COOH group. B) -CO group. C) -CHO group. D) -OH group. Show Answer Correct Answer: C) -CHO group. 19. What is a plant's response to a hard object? A) Thigmotropism. B) Gravitropism. C) Geotropism. D) None of above. Show Answer Correct Answer: A) Thigmotropism. 20. Which of the following biomolecules is common to respiration-mediated breakdown of fats, carbohydrates, and proteins? A) Fructose 1-6 bisphosphate. B) Pyruvic acid. C) Acetyl CoA. D) Glucose 6-phosphate. Show Answer Correct Answer: C) Acetyl CoA. ← PreviousNext →Related QuizzesCrop Physiology Quiz 1Crop Physiology Quiz 3Crop Physiology Quiz 4Crop Physiology Quiz 5Crop Physiology Quiz 6Crop Physiology Quiz 7Crop Physiology Quiz 8Crop Physiology Quiz 9Crop Physiology Quiz 10Crop Physiology Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books