This quiz works best with JavaScript enabled. Home > Plant Biology > Plant Biology – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 7 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The spines of a cactus are ..... A) Stems. B) Specialized Leaves. C) Flowers. D) Fruit. Show Answer Correct Answer: B) Specialized Leaves. 2. Moss leaves are only a single cell layer thick, they have no roots so they absorb water through ..... A) Diffusion. B) Transpiration. C) Photosynthesis. D) Osmosis. Show Answer Correct Answer: D) Osmosis. 3. In translocation, what directly causes a high hydrostatic pressure at the source? A) Sucrose enters the phloem by active transport. B) Water enters the phloem by osmosis. C) Sucrose leaves the roots by active transport. D) Water enters the roots by osmosis. Show Answer Correct Answer: B) Water enters the phloem by osmosis. 4. What is gametophyte? A) The stage that produces sperm cells and egg cells. B) The stage that produces spores. C) The stage that produces rhizomes. D) None of above. Show Answer Correct Answer: A) The stage that produces sperm cells and egg cells. 5. A fruit is the mature version of the A) Anther. B) Pistil. C) Carpel. D) Ovary. Show Answer Correct Answer: D) Ovary. 6. Male reproductive parts of a plant ..... A) Petals and ovary. B) Ovary and ovule. C) Anther and filament. D) Stigma and style. Show Answer Correct Answer: C) Anther and filament. 7. Seed bearing vascular plants that produce flowers and fruits are called? * A) Angiosperms. B) Gymnosperms. C) Bryophytes. D) None of above. Show Answer Correct Answer: A) Angiosperms. 8. THE PLANT WHICH WHICH TRAPS AND FEEDS ON INSECTS A) CASCUTTA. B) CHINA ROSE. C) PITCHER PLANT. D) ROSE. Show Answer Correct Answer: C) PITCHER PLANT. 9. Which of the following is NOT a true statement about ATP? A) ATP provides energy for mechanical functions of cells. B) ATP consists of ribose, adenine, and phosphate. C) Used ATP is discared by the cell as waste. D) ADP forms when ATP released energy. Show Answer Correct Answer: C) Used ATP is discared by the cell as waste. 10. A meristematic layer of cork cells that replace the epidermis that protect and support the stem * A) Phloem. B) Xylem. C) Cork cambien. D) Vascular cambien. Show Answer Correct Answer: C) Cork cambien. 11. The stem A) Carries water and nutrients to the leaves. B) Transports food made from the leaves to other parts of the plant. C) Supports the plant. D) All of the above. Show Answer Correct Answer: D) All of the above. 12. The mature plant ovary is also referred to as a A) Seed. B) Fruit. C) Flower. D) Pollen. Show Answer Correct Answer: B) Fruit. 13. Tissue in plants that conducts sugars and other metabolic products from the leaves to the rest of the plant. A) Vascular cambium. B) Cork cambium. C) Xylem. D) Phloem. Show Answer Correct Answer: D) Phloem. 14. Which of the following is NOT part of the female structure of a flower? A) Filament. B) Stigma. C) Style. D) Ovary. Show Answer Correct Answer: A) Filament. 15. Which tissue system consists of xylem and phloem? A) Dermal. B) Fundamental. C) Ground. D) Vascular. Show Answer Correct Answer: D) Vascular. 16. Which of the following affects the rate of photosynthesis? A) Water. B) Temperature. C) Light intensity. D) All of the above. Show Answer Correct Answer: D) All of the above. 17. Water is absorbed by the plant through the roots, and transpiration takes place as the water exits the ..... A) Leaves. B) Roots. C) Stem. D) None of above. Show Answer Correct Answer: A) Leaves. 18. How does abscisic acid impact the function of guard cells? A) It activates the opening of stomata when soil water is insufficient to keep up with transpiration. B) It initiates the openeing of stomata when relative humidity is high and wind sppeds are low. C) It stimulates the closing of the stomata when soil water is readily available but emperatures are high. D) It triggers the closing of the stomata when soil water is insufficient to keep up with transpiration. Show Answer Correct Answer: D) It triggers the closing of the stomata when soil water is insufficient to keep up with transpiration. 19. Gymnosperms produce seeds usually in A) Cones. B) Flowers. C) Fruit. D) Spores. Show Answer Correct Answer: A) Cones. 20. Which of the following specifically brings glucose (sugar) and nutrients to the roots? A) Xylem. B) Phloem. C) Petiole. D) Roots. Show Answer Correct Answer: B) Phloem. ← PreviousNext →Related QuizzesPlant Biology Quiz 1Plant Biology Quiz 2Plant Biology Quiz 3Plant Biology Quiz 4Plant Biology Quiz 5Plant Biology Quiz 6Plant Biology Quiz 8Plant Biology Quiz 9Plant Biology Quiz 10Plant Biology Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books