This quiz works best with JavaScript enabled. Home > Plant Cell Structure > Ultrastructure > Ultra Structure Of Plant Cells And Organs – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ultra Structure Of Plant Cells And Organs Quiz 20 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following structures allows for gas exchange between a leaf and the atmosphere? A) Cuticle. B) Phloem. C) Stomata. D) Xylem. Show Answer Correct Answer: C) Stomata. 2. Which of the following is an undifferentiated embryonic tissue found in the active growth regions of plants such as tips of roots and stems? A) Parenchyma tissue. B) Collenchyma tissue. C) Meristematic tissue. D) Permanent tissue. Show Answer Correct Answer: C) Meristematic tissue. 3. Which structures open and close stomata to allow gas exchange but prevent water loss in leaves? A) Epidermis. B) Vascular tissue. C) Guard cells. D) Spongy mesophyll. Show Answer Correct Answer: C) Guard cells. 4. Which plant structure is the primary site of photosynthesis? A) Root. B) Stem. C) Leaf. D) Flower. Show Answer Correct Answer: C) Leaf. 5. Disadvantages of Micropropagation A) Expensive and time consuming. B) Expensive. C) Time consuming. D) None of above. Show Answer Correct Answer: B) Expensive. 6. Bob plants some seeds in a small cup. He puts the cup in the light and waters the soil everyday. After 4 days, the seedlings emerge from the soil. What can Bob conclude? A) The seedlings exerted an upward pushing force on the soil. B) Water exerted an upward pushing force on the seedlings. C) Gravity exerted an upward pushing force on the seedlings. D) Light exerted an upward pulling force on the seedlings. Show Answer Correct Answer: A) The seedlings exerted an upward pushing force on the soil. 7. Jelly-like substance found inside cell A) Nuclear Membrane. B) Golgi Body. C) Cytoplasm. D) Ribosome. Show Answer Correct Answer: C) Cytoplasm. 8. A substance that is common in the cell walls of plants A) Xylem. B) Cellulose. C) Collenchyma. D) None of above. Show Answer Correct Answer: B) Cellulose. 9. The gases being released and absorbed from the plant are coming out of tiny holes in the leaves. What are these tiny holes called? A) Cuticles. B) Xylem. C) Stomata. D) Phloem. Show Answer Correct Answer: C) Stomata. 10. Which of the following occurs in both plant and animal cells A) Photosythesis. B) Respiration. C) Both. D) None of above. Show Answer Correct Answer: B) Respiration. 11. The combined observations of Mattias Schleiden, Theodor Schwann and Rudolph Virchow resulted in the formation of the cell theory. Which of the following is not part of the cell theory? A) All cells contain a nucleus. B) All cells come from other living cells. C) All living organisms are made of one or more cells. D) Cells are the basic unit of structure and function of all living things. Show Answer Correct Answer: A) All cells contain a nucleus. 12. What must happen to a plant/animal before it can be capable of reproduction? A) Maturation. B) Non of these choices. C) Germination. D) Cloning. Show Answer Correct Answer: A) Maturation. 13. When water leaves a plants' leaves in the water cycle A) Evaporation. B) Transpiration. C) Precipitation. D) Condensation. Show Answer Correct Answer: B) Transpiration. 14. Which of the following is not a type of tissue found in plants A) Dermal. B) Vascular. C) Root. D) Ground. Show Answer Correct Answer: C) Root. 15. What is the power house in the plant and animal cell? A) Nucleus. B) Mitochondria. C) Cell membrane. D) None of the above. Show Answer Correct Answer: B) Mitochondria. 16. The main function of the leaves of a plants is ..... A) Carry out photosynthesis. B) Support the plant. C) Get water to all plant parts. D) Anchor the plant. Show Answer Correct Answer: A) Carry out photosynthesis. 17. In plant tissue culture, what is the term ORGANOGENESIS means? A) Formation of callus culture. B) Formation of root & shoot from callus culture. C) Genesis of organ. D) None of the above. Show Answer Correct Answer: B) Formation of root & shoot from callus culture. 18. The stomach, small intestines, and large intestine are all organs. When they work together to process food, they form a functional unit known as ..... A) An organism. B) An organ system. C) A tissue. D) A cell. Show Answer Correct Answer: B) An organ system. 19. Tissue culture technique is an efficient tool used in plant breeding for the following reasons EXCEPT A) Mass propagation of specific clones. B) Useful for plant reproduced by asexual. C) Production of high yield diseased plants. D) Production of healthy or diseased-free plants. Show Answer Correct Answer: C) Production of high yield diseased plants. 20. How are photosynthesis and cellular respiration related? A) They have opposite equations. B) They have the same equation. C) They both produce carbon dioxide. D) They both produce oxygen. Show Answer Correct Answer: A) They have opposite equations. ← PreviousNext →Related QuizzesPlant Cell Structure QuizzesUltra Structure Of Plant Cells And Organs Quiz 1Ultra Structure Of Plant Cells And Organs Quiz 2Ultra Structure Of Plant Cells And Organs Quiz 3Ultra Structure Of Plant Cells And Organs Quiz 4Ultra Structure Of Plant Cells And Organs Quiz 5Ultra Structure Of Plant Cells And Organs Quiz 6Ultra Structure Of Plant Cells And Organs Quiz 7Ultra Structure Of Plant Cells And Organs Quiz 8Ultra Structure Of Plant Cells And Organs Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books