This quiz works best with JavaScript enabled. Home > Crop Physiology > Crop Physiology – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Crop Physiology Quiz 6 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. 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. 3. 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. 4. The science and practice of growing field crops ..... A) Forestry. B) Agriculture. C) Agronomy. D) Horticulture. Show Answer Correct Answer: C) Agronomy. 5. 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. 6. How is pith and cortex ground tissue different. A) Pith is external to the vascular tissue and cortex is internal to the vascular tissue. B) Pith is internal to the vascular tissueand cortex is external to the vascular tissue. C) Pith is a vascular tissue and cortex is a ground tissue. D) Pith is in the ground and cortex is on the surface. Show Answer Correct Answer: B) Pith is internal to the vascular tissueand cortex is external to the vascular tissue. 7. ..... bears the pollen A) Ovary. B) Ovula. C) Style. D) Anther. Show Answer Correct Answer: D) Anther. 8. 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. 9. What is a hormone that helps fruit ripen? A) Gibberelins. B) Etiolation. C) Tropism. D) Ethylene. Show Answer Correct Answer: D) Ethylene. 10. What is the best words to describe sugar source and sugar sink A) Both are plants organ and act as storage. B) Sugar sink can be either roots, fruit or mature leaves and sugar source is shoots. C) Sugar source is where sugar enters the phloem and sugar sink is where sugar exits the phloem. D) Companion tube carry food from a sugar source to a sugar sink. Show Answer Correct Answer: C) Sugar source is where sugar enters the phloem and sugar sink is where sugar exits the phloem. 11. The part of the plant that water travels through. A) Xylem. B) Phloem. C) Seed. D) Stigma. Show Answer Correct Answer: A) Xylem. 12. 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. 13. Transporting sugar from the leaf down to the roots is done by the ..... A) Xylem. B) Phloem. C) Cotyledon. D) Pallisade cells. Show Answer Correct Answer: B) Phloem. 14. ..... quanta of light is needed for fixation of 6 CO2 molecules. A) 8. B) 12. C) 48. D) 6. Show Answer Correct Answer: C) 48. 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. Where does the Calvin Cycle occur? A) Thylakoid. B) Stroma. C) Lumen. D) Mitochondria. Show Answer Correct Answer: B) Stroma. 17. 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. 18. Plants store carbohydrates in long polysaccharide chains called A) Protein. B) Cellulose. C) Glycogen. D) Starch. Show Answer Correct Answer: D) Starch. 19. What is the structure that produces protein for the cell? A) Golgi. B) Mitochondria. C) Chloroplast. D) Ribosome. Show Answer Correct Answer: D) Ribosome. 20. Site of $\beta$-oxidation is ..... and Mitochondria. A) Chloroplast. B) Glyoxysomes. C) Peroxisomes. D) Golgi complex. Show Answer Correct Answer: B) Glyoxysomes. ← PreviousNext →Related QuizzesCrop Physiology Quiz 1Crop Physiology Quiz 2Crop Physiology Quiz 3Crop Physiology Quiz 4Crop Physiology Quiz 5Crop Physiology Quiz 7Crop Physiology Quiz 8Crop Physiology Quiz 9Crop Physiology Quiz 10Crop Physiology Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books