This quiz works best with JavaScript enabled. Home > Agriculture > Plant Biology > Studies > Plant Biology – Quiz 32 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 32 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In roots, the storage cells are the ..... A) Cortex. B) Cambiums. C) Cuticle. D) Vascular tissues. Show Answer Correct Answer: A) Cortex. 2. Which of the following is not true of loading phloem sieve tubes? A) Energy in a proton gradient is used to move sucrose into the cell. B) Co-transporter proteins move protons outside the cell. C) Pump proteins move protons by active transport. D) Sucrose is moved into the cell by co-transport. Show Answer Correct Answer: B) Co-transporter proteins move protons outside the cell. 3. What is every living thing made of? A) Sugar, spice and everything nice. B) Rainbows and unicorns. C) Cells. D) Skin and bones. Show Answer Correct Answer: C) Cells. 4. Which organ contains small openings that allow for air exchange A) Xylem. B) Stomata. C) Cambium. D) Phloem. Show Answer Correct Answer: B) Stomata. 5. Name the pores through which leaves exchange gases. A) Stomata. B) Leaf veins. C) Root hair. D) Holes. Show Answer Correct Answer: A) Stomata. 6. The movment of water progressively from less negative water potential in the roots to more negative water potential in the atmosphere is mostly due to ..... A) Osmosis. B) Transpiration. C) Adhesion. D) Vessel elements. Show Answer Correct Answer: B) Transpiration. 7. What is vascular tissue in plants that transports fluid through the plant? A) Phloem. B) Xylem. C) Geotropism. D) Homeostasis. Show Answer Correct Answer: B) Xylem. 8. In which type of growth response does the plant grow in response to touch? A) Heliotropism. B) Thigmotropism. C) Hydrotropism. D) Geotropism. Show Answer Correct Answer: B) Thigmotropism. 9. What would happen if you removed the apical meristem of a root on a new plant? A) It wouldn't be able to get water. B) It wouldn't be able to perform photosynthesis. C) It wouldn't grow wider. D) It wouldn't grow longer. Show Answer Correct Answer: D) It wouldn't grow longer. 10. These are tiny bumps on the underside of the frond that house and protect the sporangia, which produce spores. * A) Sori. B) Epidermis. C) Dermal Tissue. D) Fruit. E) Carpel. Show Answer Correct Answer: A) Sori. 11. Why would increased stomatal density be beneficial to a plant? A) More sunlight absorbed. B) More oxygen absorption. C) More carbon dioxide absorption. D) More water loss. Show Answer Correct Answer: C) More carbon dioxide absorption. 12. Which of the following is the only tissue that produces new plant cells? A) Meristematic tissue. B) Ground tissue. C) Phloem. D) Xylem. Show Answer Correct Answer: A) Meristematic tissue. 13. In many plants, stomata are found only on the lower surface of the leaf. The most likely explanation for this fact is that A) Stomata are closer to vascular bundles that bring water into the leaf. B) Photosynthesis only occurs in the spongy mesophyll near the bottom of the leaf. C) Gravity plays a role in gas exchange. D) Water loss would be less on the shaded lower surface than in direct sun. Show Answer Correct Answer: D) Water loss would be less on the shaded lower surface than in direct sun. 14. Closing of stomata could most likely cause ..... A) Mitosis to cease. B) Primary growth to resume. C) Immediate release of spores. D) Photosynthesis to cease. Show Answer Correct Answer: D) Photosynthesis to cease. 15. What protects the outside of the plant and helps the plants release and/or retain water? * A) Fruit. B) Carpel. C) Sorus. D) Epidermis. E) Dermal Tissue. Show Answer Correct Answer: E) Dermal Tissue. 16. Process of water movement through a plant and its evaporation primarily from stomata on leaves but also from stems and flowers A) Transpiration. B) Stomata (stoma). C) Thigmotropism. D) None of above. Show Answer Correct Answer: A) Transpiration. 17. Name 2 harmful fungi. A) Salmonella. B) Ringworm. C) Athletes foot and ringworm. D) Flu virus. Show Answer Correct Answer: C) Athletes foot and ringworm. 18. What can be used to promote off-season flowering in long-day plants? A) Close blinds at the end of the night to delay the start of the light period. B) Interrupt the day with a period of darkness. C) Extend the cycle of light and dark to more than 24 hours. D) Turn on the lights during the night for a brief period. Show Answer Correct Answer: D) Turn on the lights during the night for a brief period. 19. What is a simple definition of cotyledon? A) Carries nutrients through the plant. B) Leaf on a fern. C) Leaf inside the seed. D) Carries water through the plant. Show Answer Correct Answer: C) Leaf inside the seed. 20. Green pigment that helps to absorb sunlight A) Lycopene. B) Carotene. C) Chlorophyll. D) Xanthophyll. Show Answer Correct Answer: C) Chlorophyll. 21. What do male cones produce? A) Pollen. B) Spores. C) Eggs. D) Seeds. Show Answer Correct Answer: A) Pollen. 22. Which federal agency is responsible for regulating the sale and use of synthetic pesticides in the U.S.? A) U.S. Food and Drug Administration (FDA). B) U.S. Department of Agriculture (USDA). C) U.S. Environmental Protection Agency (EPA). D) U.S. FIsh and Wildlife-Service (US-FWS). Show Answer Correct Answer: C) U.S. Environmental Protection Agency (EPA). 23. Attaching a cutting of one plant to another plant A) Cutting. B) Painting. C) Grafting. D) Planting. Show Answer Correct Answer: C) Grafting. 24. The DEPENDENT variable is A) On the Y axis. B) On the X axis. C) The results of the experiment. D) Both on the Y axis and the results of the experiment. Show Answer Correct Answer: D) Both on the Y axis and the results of the experiment. 25. What is the first stage of the plant life cycle? A) Seed. B) Seedling. C) Adult plant. D) Germination. Show Answer Correct Answer: A) Seed. 26. Transport Materials:Plants? ? ? ? ? ? A) They breathe in carbon dioxide and they breathe out oxygen. B) They transport materials through the roots using xylem and phoelym. C) They do not transport materials through the roots using xylem and phoelym. D) They make food by doing photosynthesis. Show Answer Correct Answer: B) They transport materials through the roots using xylem and phoelym. 27. Water transported from stems to leaves through what? A) Phloem. B) Roots. C) Stems. D) Xylem. Show Answer Correct Answer: D) Xylem. 28. Where do angiosperms produce their seeds? A) Pollen. B) Cones. C) Flowers. D) None of above. Show Answer Correct Answer: C) Flowers. 29. Pollen grains are produced by ..... A) Sporophytes. B) Female reproductive structures. C) Male reproductive structures. D) Ovules. Show Answer Correct Answer: C) Male reproductive structures. 30. In angiosperms, the ovary surrounds seeds in a structure called A) A fruit. B) An embryo. C) A vegetable. D) A seed. Show Answer Correct Answer: A) A fruit. ← PreviousNext →Related QuizzesPlant Biology QuizzesAgriculture QuizzesPlant Biology Quiz 1Plant Biology Quiz 2Plant Biology Quiz 3Plant Biology Quiz 4Plant Biology Quiz 5Plant Biology Quiz 6Plant Biology Quiz 7Plant Biology Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books