This quiz works best with JavaScript enabled. Home > Plant Biology > Studies > Plant Biology – Quiz 38 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 38 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which plant structure moves materials between leaves and roots? A) Roots. B) Leaves. C) Stems. D) Photosynthesis. Show Answer Correct Answer: C) Stems. 2. What is the the outer layer of dermal cells called? * A) Dermal Tissue. B) Fruit. C) Sorus. D) Epidermis. E) Carpel. Show Answer Correct Answer: D) Epidermis. 3. Name the gametes in a plant A) Egg & sperm. B) Egg & pollen. C) Pollen & sperm. D) None of above. Show Answer Correct Answer: B) Egg & pollen. 4. What must happen for a seed to emerge from the soil as a seedling? A) The soil must erode and expose the seed to the sunlight. B) An animal searching for food must disrupt the soil. C) The seed must exert a force to push a shoot up through the soil. D) Another plant must die to make room for the new plant. Show Answer Correct Answer: C) The seed must exert a force to push a shoot up through the soil. 5. Seeds can move from one place to another by A) Wind. B) Water. C) Animals. D) Wind, water, and animals. Show Answer Correct Answer: D) Wind, water, and animals. 6. These types of plants are able to grow taller because of the added support and faster nutrient transport of xylem and phloem. A) Seedless plants. B) Vascular plants. C) Seeded plants. D) Nonvascular plants. Show Answer Correct Answer: B) Vascular plants. 7. Stems carry out many functions for plants. Which of the following is one of the most important functions of stems? A) Store water. B) Carry out photosynthesis. C) Carry water and nutrients between roots and leave. D) Store carbohydrates. Show Answer Correct Answer: C) Carry water and nutrients between roots and leave. 8. Which variable least affects photosynthesis? A) Amount of water. B) Amount of oxygen. C) Amount of carbon dioxide. D) How close a light source is. Show Answer Correct Answer: B) Amount of oxygen. 9. Dicots have ..... cotyledon. A) Zero. B) One. C) Two. D) Depends. Show Answer Correct Answer: C) Two. 10. An increase in wind or temperature will ..... transpiration A) Increase. B) Decrease. C) No change. D) None. Show Answer Correct Answer: A) Increase. 11. List three external conditions required for seed germination A) Soil, water, air. B) Suitable temperature, water, sunlight. C) Oxygen, water, suitable temperature. D) None of above. Show Answer Correct Answer: C) Oxygen, water, suitable temperature. 12. A pine tree is a coniferous tree. Where are the seeds made in a pine tree? A) In flowers. B) In leaves. C) In cones. D) In roots. Show Answer Correct Answer: C) In cones. 13. Sowing seeds means to ..... A) Fertilize the seeds. B) Soak the seeds in water. C) Plant the seeds. D) Thin the seed coat with sandpaper. Show Answer Correct Answer: C) Plant the seeds. 14. Which of the following are true of both leaf cells and root cells? I. they are undifferentiatedII. they are genetically identicalIII. they were formed at the edges of an apical meristem A) II only. B) III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: C) II and III only. 15. Oxygen and carbon dioxide diffuse in and out of a leaf through the A) Palisade mesophyll. B) Guard cells. C) Phloem. D) Stomata. Show Answer Correct Answer: D) Stomata. 16. Are plants prokaryote or eukaryote? ? ? ? ? A) NEITHER. B) Eukaryote. C) Prokaryote. D) BOTH. Show Answer Correct Answer: B) Eukaryote. 17. An angiosperm having one cotyledon and parallel veins in their leaves. A) Gymnosperm. B) Monocot. C) Dicot. D) Nonvascular plant. Show Answer Correct Answer: B) Monocot. 18. What is a simple definition of phloem? A) Carries water through the plant. B) Carries nutrients through the plant. C) Leaf inside the seed. D) Leaf on a fern. Show Answer Correct Answer: B) Carries nutrients through the plant. 19. A plant moving away from a stimulus is showing ..... tropism. A) Positive. B) Negative. C) Taproot. D) Auxin. Show Answer Correct Answer: B) Negative. 20. Phloem carries ..... to the roots and stem of a plant. A) Water. B) Sugar. C) Waste. D) Dissolved nutrients. Show Answer Correct Answer: B) Sugar. ← PreviousNext →Related QuizzesPlant Biology QuizzesPlant Biology Quiz 1Plant Biology Quiz 2Plant Biology Quiz 3Plant Biology Quiz 4Plant Biology Quiz 5Plant Biology Quiz 6Plant Biology Quiz 7Plant Biology Quiz 8Plant Biology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books