This quiz works best with JavaScript enabled. Home > Plant Cell Structure > Ultrastructure > Ultra Structure Of Plant Cells And Organs – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ultra Structure Of Plant Cells And Organs Quiz 25 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What plant organ transports nutrients throughout the plant? A) Stem. B) Roots. C) Leaves. D) Flowers. Show Answer Correct Answer: A) Stem. 2. An action or behavior that occurs as the result of a stimulus. A) Response. B) Force. C) Turgor Pressure. D) Germination. Show Answer Correct Answer: A) Response. 3. The leaf has a shiny, waxy cuticle around it to A) Increase the rate of photosynthesis. B) Attract more light. C) Control water loss. D) Stop carbon dioxide and oxygen gases escaping. Show Answer Correct Answer: C) Control water loss. 4. In the sequence from simplest to most complex level of organization, which level is one level more complex than cells? A) Cells. B) Tissues. C) Organ Systems. D) Organisms. Show Answer Correct Answer: B) Tissues. 5. A tiny cell structure that carries out a specific function within a cell. A) Organelle. B) Cell. C) Nucleus. D) Ribosomes. Show Answer Correct Answer: A) Organelle. 6. "powerhouse of the cell" breaks down sugar molecules to release energy A) Mitochondria. B) Chloroplast. C) Cell Wall. D) Vesicle. Show Answer Correct Answer: A) Mitochondria. 7. Would the roots of a plant growing towards water be an example of positive or negative tropism? A) Positive. B) Negative. C) Neither. D) Both. Show Answer Correct Answer: A) Positive. 8. Which tissue provide support and strength to mature plants? A) Parenchyma tissue. B) Sclerenchyma tissue. C) Xylem tissue. D) Collenchyma tisssue. Show Answer Correct Answer: B) Sclerenchyma tissue. 9. How does the transport of oxygen happens in plants A) All of these choices. B) Oxygen can reach cells by diffusing through the air spaces between the veins. C) Oxygen can reach cells by diffusing through the air spaces between the roots. D) Oxygen can reach cells by diffusing through the air spaces between the cells. Show Answer Correct Answer: D) Oxygen can reach cells by diffusing through the air spaces between the cells. 10. This organ is responsible for absorbing sunlight. A) Root. B) Leaf. C) Stem. D) None of above. Show Answer Correct Answer: B) Leaf. 11. Which types of organisms have cells with LARGE Vacoules A) Animals. B) Plant. C) Bacteria. D) None of above. Show Answer Correct Answer: B) Plant. 12. Homeostasis is ..... A) Controlling the environment. B) Maintaining internal balance. C) Not using any energy. D) When plants grow towards light. Show Answer Correct Answer: B) Maintaining internal balance. 13. A student is studying flowering plants in her science class. She creates a poster to diagram the different plant parts:leaf, stem, and roots. Taken together, ALL of the plant parts make which level of organization? A) Cells. B) Organism. C) Ecosystem. D) Organ system. Show Answer Correct Answer: B) Organism. 14. Evaporative Cooling is when ..... A) Some plants (eg:eucalypts) are able to change the orientation of leaves so they hang vertically during hot weather. B) In extreme heat plants increase transpiration this leads to a loss of turgor pressure (water pressure inside plant cells) and leaves wilt. C) Stomata open, loss of water by transpiration. D) Some eucalypts can drop leaves during dry season. Show Answer Correct Answer: C) Stomata open, loss of water by transpiration. 15. Shoots to roots A) Phloem tissue. B) Xylem tissue. C) Vascular tissue. D) Roots system. Show Answer Correct Answer: A) Phloem tissue. 16. When this occurs, the resulting plant is a genetic replica of the parent plant A) Both cloning and asexual reporduction. B) Cloning. C) None of these choices. D) Asexual Reproduction. Show Answer Correct Answer: A) Both cloning and asexual reporduction. 17. What cycle is transpiration a part of? A) The water cycle. B) The phosphorous cycle. C) The nitrogen cycle. D) The carbon cycle. Show Answer Correct Answer: A) The water cycle. 18. Structure cell membrane can be found in A) Animal cell only. B) Plant cell only. C) Animal and plant cell. D) None of above. Show Answer Correct Answer: C) Animal and plant cell. 19. Transports water and nutrients UP from the soil through all parts in the plant. Involved in transpiration. A) Xylem. B) Phloem. C) Stomata. D) Roothair. Show Answer Correct Answer: A) Xylem. 20. Organ that functions to absorb water and minerals A) Stem. B) Leaf. C) Root. D) Flower. Show Answer Correct Answer: C) Root. ← 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