This quiz works best with JavaScript enabled. Home > Crop Physiology > Crop Physiology – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Crop Physiology Quiz 5 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What part of the leaf is responsible for gas exchange? A) Pallisade cells. B) Spongy mesophyll. C) Cotyledon. D) Stomata and guard cells. Show Answer Correct Answer: D) Stomata and guard cells. 2. Citrus growers and the U.S. Horticultural Research Laboratory have been studying the disease citrus blight since what year? A) 1900. B) 1890. C) 1920. D) 1892. Show Answer Correct Answer: D) 1892. 3. Which structure prepares proteins and transports them to the golgi? A) Golgi. B) Nucleus. C) Chloroplast. D) Endoplasmic reticulum. Show Answer Correct Answer: D) Endoplasmic reticulum. 4. Which hormone that is made mostly in the roots? A) Tropism. B) Cytokins. C) Etiolation. D) Geo. Show Answer Correct Answer: B) Cytokins. 5. Promotes cell division and prevents senescence (cell breakdown) A) Gibberellin. B) Auxin. C) Cytokinins. D) Ethylene. Show Answer Correct Answer: C) Cytokinins. 6. Name #10 A) Petal. B) Pedicel. C) Sepal. D) Pistil. Show Answer Correct Answer: C) Sepal. 7. Which type of meristem is correctly paired with the type of growth it does? A) Apical-makes plant wider/thicker. B) Lateral-makes leaves longer. C) Axillary-makes new leaves and branches. D) Cambium/intercalary-makes plant taller. Show Answer Correct Answer: C) Axillary-makes new leaves and branches. 8. What is the name of a plants response to the length of daylight and darkness? A) Photosynthesis. B) Cellular Respiration. C) Photoperiodism. D) Tropism. Show Answer Correct Answer: C) Photoperiodism. 9. ..... is a stack of thylakoids A) Granum. B) Stomata. C) Stroma. D) Chloroplast. Show Answer Correct Answer: A) Granum. 10. Which of the following is not a product of light reaction of photosynthesis? A) NADPH. B) NADH. C) Oxygen. D) ATP. Show Answer Correct Answer: B) NADH. 11. What is the cotyledon's job? A) Feed the seed. B) Protect the seed. C) Reproduction. D) It has no function. Show Answer Correct Answer: A) Feed the seed. 12. The stalk of the pistil A) Pedicel. B) Style. C) Filament. D) Anther. Show Answer Correct Answer: B) Style. 13. There are 3 types of transpiration except A) Cuticular transpiration. B) Stomatal transpiration. C) Lenticular transpiration. D) Chlorophyll transpiration. Show Answer Correct Answer: D) Chlorophyll transpiration. 14. Branch of science that deals with plant and animal organisms A) Zoology. B) Biology. C) Horticulture. D) Botany. Show Answer Correct Answer: B) Biology. 15. These types of plants lose leaves during the dormant season A) Wilted. B) Deciduous. C) Anciduous. D) Annual. Show Answer Correct Answer: B) Deciduous. 16. Plant nutrition is A) Plant food added to the plant pot. B) Use of basic chemical elements in the plant. C) Chemical process providing plants with elements of growth. D) The measurement of acidity (sourness) and alkalinity (sweetness). Show Answer Correct Answer: C) Chemical process providing plants with elements of growth. 17. In the absence of oxygen, ..... follows glycolysis. A) Kreb cycle. B) ETC. C) Fermentation. D) Calvin cycle. Show Answer Correct Answer: C) Fermentation. 18. 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. 19. Hardiness is a plant's ability to withstand ..... temperatures A) High. B) Low. C) Room. D) H. Show Answer Correct Answer: B) Low. 20. What gas is released by plants during photosynthesis? A) Sulfur. B) Carbon dioxide. C) Oxygen. D) Hydrogen. Show Answer Correct Answer: C) Oxygen. ← PreviousNext →Related QuizzesCrop Physiology Quiz 1Crop Physiology Quiz 2Crop Physiology Quiz 3Crop Physiology Quiz 4Crop 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