This quiz works best with JavaScript enabled. Home > Crop Physiology > Research > Crop Physiology – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Crop Physiology Quiz 3 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Branch of science that deals with plant and animal organisms A) Zoology. B) Biology. C) Horticulture. D) Botany. Show Answer Correct Answer: B) Biology. 2. These types of plants lose leaves during the dormant season A) Wilted. B) Deciduous. C) Anciduous. D) Annual. Show Answer Correct Answer: B) Deciduous. 3. When an upright plant is placed on its side, the: A) Plant dies. B) Stem bends and grows downward. C) Stem bends and grows upward. D) Stem continues to develop horizontally. Show Answer Correct Answer: C) Stem bends and grows upward. 4. Hardiness is a plant's ability to withstand ..... temperatures A) High. B) Low. C) Room. D) H. Show Answer Correct Answer: B) Low. 5. What gas is released by plants during photosynthesis? A) Sulfur. B) Carbon dioxide. C) Oxygen. D) Hydrogen. Show Answer Correct Answer: C) Oxygen. 6. The life cycle of plants that lives more than two years ..... A) Biannual. B) Biennial. C) Annual. D) Perinneal. Show Answer Correct Answer: D) Perinneal. 7. What is the site of perception of photoperiod necessary for induction of flowering in plants? A) Shoot apex. B) Leaves. C) Lateral buds. D) Pulvinus. Show Answer Correct Answer: B) Leaves. 8. Term for formation of ATP using light energy in grana of chloroplast A) Adenosine triphosphate. B) Photolysis. C) Respiration. D) Photophosphorylation. Show Answer Correct Answer: D) Photophosphorylation. 9. The science and practice of growing field crops ..... A) Forestry. B) Agriculture. C) Agronomy. D) Horticulture. Show Answer Correct Answer: C) Agronomy. 10. What do phototropism and gravitropism enable plants to do? A) Prevent invasion by insect colonies. B) Grow toward needed resources. C) Respond to stimuli aggressively. D) Defend themselves against herbivores. Show Answer Correct Answer: B) Grow toward needed resources. 11. ..... bears the pollen A) Ovary. B) Ovula. C) Style. D) Anther. Show Answer Correct Answer: D) Anther. 12. If the root of the plant is towards the sun then it is ..... A) Positively phototropic. B) Nastic movement. C) Positively geotropic. D) Negatively phototropic. Show Answer Correct Answer: A) Positively phototropic. 13. What is a hormone that helps fruit ripen? A) Gibberelins. B) Etiolation. C) Tropism. D) Ethylene. Show Answer Correct Answer: D) Ethylene. 14. The loss of ..... from the aerial parts of the plant body is known as Transpiration. A) Stomata. B) Guard cell. C) Water. D) Leaves. Show Answer Correct Answer: C) Water. 15. Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by? A) Enolase. B) Phosphofructokinase. C) Aldolase. D) Hexokinase. Show Answer Correct Answer: D) Hexokinase. 16. In photosynthesis, the light independent reactions takes place at: A) Photosystem-II. B) Stromal matrix. C) Thylakoid lumen. D) Photosystem-I. Show Answer Correct Answer: B) Stromal matrix. 17. Plants store carbohydrates in long polysaccharide chains called A) Protein. B) Cellulose. C) Glycogen. D) Starch. Show Answer Correct Answer: D) Starch. 18. What is the structure that produces protein for the cell? A) Golgi. B) Mitochondria. C) Chloroplast. D) Ribosome. Show Answer Correct Answer: D) Ribosome. 19. Which structure provides protection to the plant cell and gives it its shape? A) Plasma membrane. B) Vacuole. C) Cell wall. D) Endoplasmic reticulum. Show Answer Correct Answer: C) Cell wall. 20. Seed dormancy is due to the: A) Ethylene. B) Abscisic acid. C) IAA. D) Starch. Show Answer Correct Answer: B) Abscisic acid. ← PreviousNext →Related QuizzesCrop Physiology QuizzesCrop Physiology Quiz 1Crop Physiology Quiz 2Crop Physiology Quiz 4Crop Physiology Quiz 5Crop Physiology Quiz 6 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books