This quiz works best with JavaScript enabled. Home > Agriculture > Plant Biology > Studies > Plant Biology – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 17 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Why are mosses so small? A) They only produce sexually. B) They produce seeds. C) The cannot absorb enough water through their rhizoids. D) They do not have vascular tissue. Show Answer Correct Answer: D) They do not have vascular tissue. 2. Nonvascular plants get their water by ..... A) Roots. B) Cuticles. C) Osmosis. D) Sterns. Show Answer Correct Answer: C) Osmosis. 3. What is process of water moving through plants and evaporating from the leaves and stems into the atmosphere? A) Geotropism. B) Transpiration. C) Phototropism. D) Hydrotropism. Show Answer Correct Answer: B) Transpiration. 4. In complete flowers, the entire male reproductive structure is called the ....., and the entire female reproductive structure is called the ..... A) Pistil, stamen. B) Pollen, ovary. C) Stamen, pistil. D) Anther, ovule. Show Answer Correct Answer: C) Stamen, pistil. 5. Plants and how they Breathe? ? ? ? ? ? ? ? A) Plants breathe. B) Plants do not breathe. C) They breathe in oxygen and they breathe out carbon dioxide. D) They breathe in carbon dioxide and they breathe out oxygen. Show Answer Correct Answer: D) They breathe in carbon dioxide and they breathe out oxygen. 6. Which are the products of photosynthesis A) Glucose and oxygen. B) Water vapor and carbon dioxide. C) Light energy and oxygen. D) Water vapor and oxygen. Show Answer Correct Answer: A) Glucose and oxygen. 7. Small openings in the epidermis that allows oxygen, water, and carbon dioxide to enter and leave are called A) Palisade layer. B) Stomata. C) Guard cell. D) Roots. Show Answer Correct Answer: B) Stomata. 8. What does the word GERMINATE mean? A) It has germs. B) Begins to grow. C) Dies. D) Life span. Show Answer Correct Answer: B) Begins to grow. 9. How do minerals enter into plant cells? I. Active transportII. Bulk flow (with water)III. Transport by Phloem A) I only. B) I and II only. C) I, II and III. D) II and III only. Show Answer Correct Answer: B) I and II only. 10. A pollen grain landing near an ovule produces a A) Stamen. B) Gametophyte. C) Flower. D) Pollen tube. Show Answer Correct Answer: D) Pollen tube. 11. In plant transport, the movement of liquid in response to the pressure gradient is which of the following? A) Osmosis. B) Bulk flow. C) Diffusion. D) None of above. Show Answer Correct Answer: B) Bulk flow. 12. Water has many unique properties. The attraction of water molecules to other kinds of molecules is called A) Capillary action. B) Adhesion. C) Transpirational pull. D) Cohesion. Show Answer Correct Answer: B) Adhesion. 13. What does phloem carry up the stem A) Sugar. B) Water. C) Oxygen. D) All of the above. Show Answer Correct Answer: A) Sugar. 14. Today scientists know that photoperiodicity in plants depends primarily on A) Amount of phytochromes. B) Degree of temperature. C) Hours of darkness. D) Intensity of light. Show Answer Correct Answer: C) Hours of darkness. 15. Part of the plant that is colorfull A) Flowers. B) Roots. C) Leaves. D) Petals. Show Answer Correct Answer: D) Petals. 16. The male reproductive structure of the flower that produce pollen grains that contain male gametes * A) The stamen. B) Sorus. C) Epidermis. D) Fruit. Show Answer Correct Answer: A) The stamen. 17. Which force causes water molecules to stick to each other by hydrogen bonds? A) Gravity. B) Cohesion. C) Tension. D) Adhesion. Show Answer Correct Answer: B) Cohesion. 18. What part of the plant is responsible for making food? A) Leaves. B) Stem. C) Flower. D) Roots. Show Answer Correct Answer: A) Leaves. 19. Which of the following is NOT specifically a plant adaptation for life on land? A) Stomates. B) Auxins. C) Roots. D) Seeds. Show Answer Correct Answer: B) Auxins. 20. What is the function of NADP+? A) It absorbs light. B) It is a light-reflecting pigment. C) It is an electron carrier. D) It acts as long-term energy storage. Show Answer Correct Answer: C) It is an electron carrier. 21. Growth of plant in response to touch A) Gravitropism. B) Phototropism. C) Thigmotropism. D) None of above. Show Answer Correct Answer: C) Thigmotropism. 22. Dicotyledons have ..... seed leaves. A) 2. B) 1. C) No. D) 3. Show Answer Correct Answer: A) 2. 23. Apical meristems are A) Vegetative buds at the shoot tips. B) In the axils of leaves. C) Actively dividing. D) All of the choices. Show Answer Correct Answer: D) All of the choices. 24. The function of roots is A) To conduct photosynthesis. B) Absorb water and nutrients. C) Anchors plant to the ground. D) Both B and C. Show Answer Correct Answer: D) Both B and C. 25. STACKS OF THYLAKOIDS ARE CALLED STROMA A) TRUE. B) FALSE. C) CANT BE DETERMINED. D) None of above. Show Answer Correct Answer: B) FALSE. 26. What cells allow the stomata to open and close A) Body Cells. B) Pressure Cells. C) Guard Cells. D) Rhizoids. Show Answer Correct Answer: C) Guard Cells. 27. Where could you find an angiosperm living? A) In wet or dry environments. B) Underwater only. C) In wet environments. D) In dry environments only. Show Answer Correct Answer: A) In wet or dry environments. 28. A type of gas needed by plants for photosynthesis. People and animals create much of this. A) Nitrogen. B) Oxygen. C) Carbon dioxide. D) Carbon monoxide. Show Answer Correct Answer: C) Carbon dioxide. 29. Which force directly causes water molecules to stick to the xylem wall? A) Adhesion. B) Cohesion. C) Gravity. D) Tension. Show Answer Correct Answer: A) Adhesion. 30. What is the tough layer of dead cells in the epidermis? * A) Cuticle. B) Cork. C) Vascular Cambien. D) Dermal Tissue. Show Answer Correct Answer: B) Cork. ← 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