This quiz works best with JavaScript enabled. Home > Plant Biology > Plant Biology – Quiz 45 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 45 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Waxy layer that covers the surface of the leaf and reduces water loss: A) Stoma. B) Epidermis. C) Veins. D) Cuticle. Show Answer Correct Answer: D) Cuticle. 2. Which part holds the seeds? A) Flower. B) Leaf. C) Stem. D) Roots. Show Answer Correct Answer: A) Flower. 3. If an aquatic plant's environment is filled with pollution, which of the following could happen? A) The plant will receive more sunlight for photosynthesis. B) The pollution will interfere with the plants ability to collect radiant energy. C) The pollution will not affect plant life. D) None of the above are true. Show Answer Correct Answer: B) The pollution will interfere with the plants ability to collect radiant energy. 4. The common name for the organism in bryophytes is A) Mosses. B) Flowering plants. C) Ferns. D) Pines. Show Answer Correct Answer: A) Mosses. 5. Invasive plant species affect the interactions of living and nonliving components of an ecosystem, so the removal of invasive plants is often necessary. The goal of most plant-control methods is to disrupt or inhibit the function of different plant systems. For example, insects can be used to chew through roots in order to reduce a plant's ability to absorb water. Which of these functions would be most immediately affected by a reduction in water uptake by roots? A) Disease resistance. B) Seed dispersal. C) Sunlight absorption. D) Photosynthesis. Show Answer Correct Answer: D) Photosynthesis. 6. What is the male reproductive part of the flower? A) Carpel. B) Stamen. C) Ovary. D) None of above. Show Answer Correct Answer: B) Stamen. 7. What is the function of cotyledon? A) Proctect the seed. B) Small holes that enable water and air to enter the seed. C) Stores food. D) Embryo that develops into root. Show Answer Correct Answer: C) Stores food. 8. Cyanobacteria are classified under A) Protista. B) Monera. C) Plantae. D) Algae. Show Answer Correct Answer: B) Monera. 9. The part of the plant that makes seeds. A) Flower. B) Fruit. C) Leaf. D) Stem. Show Answer Correct Answer: A) Flower. 10. Which of these is NOT a plant tissue? A) Leaf. B) Ground. C) Vascular. D) Dermal. Show Answer Correct Answer: A) Leaf. 11. Minerals from the soil move into roots by A) Transpiration. B) Root pressure. C) Diffusion. D) Active transport. Show Answer Correct Answer: D) Active transport. 12. Which of the following is an input for a plant? A) Oxygen. B) Reproductive pollen and seeds. C) Sunlight. D) Energy. Show Answer Correct Answer: C) Sunlight. 13. Stamens are what type of reproductive organs? A) Male. B) Female. C) Asexual. D) None of above. Show Answer Correct Answer: A) Male. 14. Each of the 6 kingdoms contains members with common characteristics. Most members of the plant kingdom are A) Unicellular, prokaryotic heterotrophs. B) Multicellular, prokaryotic heterotrophs. C) Multicellular, eukaryotic autotrophs. D) Unicellular, eukartoyic autotrophs. Show Answer Correct Answer: C) Multicellular, eukaryotic autotrophs. 15. Match the following characteristic with "mosses'. A) Cones. B) Flowers. C) Seeds. D) Vascular tissue. E) None of these. Show Answer Correct Answer: E) None of these. 16. A period of dormancy can allow seeds to germinate A) Under ideal conditions. B) Under cold conditions. C) In extreme temperatures. D) Without water. Show Answer Correct Answer: A) Under ideal conditions. 17. A plant produces seeds in its ..... when all parts of the plant are healthy. A) Leaves. B) Roots. C) Flowers. D) Stem. Show Answer Correct Answer: C) Flowers. 18. Angiosperms are easily classified because of the ..... that they produce. A) Cones. B) Leaves. C) Flowers and fruits. D) Rhizomes. Show Answer Correct Answer: C) Flowers and fruits. 19. When a plant is left in a closed clear container, moisture accumulates. This process is known as: A) Glycolysis. B) Transpiration. C) Photosynthesis. D) Perspiration. Show Answer Correct Answer: B) Transpiration. 20. Which of the following statements best describes phloem's function in the plant? A) Transpports water and minerals up from the roots to the rest of the plant. B) Transports food down from the leaves to the rest of the plant. C) Transports water and minerals down from the roots to the rest of the plant. D) Transports food up from the leaves to the rest of the plant. Show Answer Correct Answer: B) Transports food down from the leaves to the rest of the plant. ← PreviousNext →Related 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 9Plant Biology Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books