This quiz works best with JavaScript enabled. Home > Agriculture > Plant Biology > Studies > Plant Biology – Quiz 37 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 37 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... opens and closes the stomata in leaves. A) Guard cells. B) Roots. C) Phloem. D) Xylem. Show Answer Correct Answer: A) Guard cells. 2. Many different organisms are able to carry out photosynthesis. what happens during photosynthesis? A) Heterotrophs produce ATP. B) Heterotrophs consume ATP. C) Autotrophs consume carbohydrates. D) Autotrophs produce carbohydrates. Show Answer Correct Answer: D) Autotrophs produce carbohydrates. 3. In this method two different varieties of plants are joined and tied with a wet cloth. A) Stem cutting. B) Layering. C) Grafting. D) None of above. Show Answer Correct Answer: C) Grafting. 4. The sporophyte is A) Haploid. B) Diploid. C) Triploid. D) None of above. Show Answer Correct Answer: B) Diploid. 5. A pollen grain landing on a stigma of a flower of the same species produces a A) Stamen. B) Gametophyte. C) Pollen tube. D) Flower. Show Answer Correct Answer: C) Pollen tube. 6. Which of the following are characteristics of plants? A) Cell walls made of cellulose. B) Multicellular. C) Carry out photosynthesis. D) All of the above. Show Answer Correct Answer: D) All of the above. 7. What chemical is located in the chloroplast of plants that gives them the green pigment? A) Mesophyll. B) Angiosperm. C) Pharnyx. D) Chlorophyll. Show Answer Correct Answer: D) Chlorophyll. 8. Angiosperms that complete their entire life cycle in a single growing season; germination, reproduction, and die, are called A) Triennials. B) Biennials. C) Perennials. D) Annuals. Show Answer Correct Answer: D) Annuals. 9. What is conducting tissue in plants that transports nutrients through the plant? A) Homeostasis. B) Xylem. C) Transpiration. D) Phloem. Show Answer Correct Answer: D) Phloem. 10. The ..... absorb sunlight to help make food for the plant. A) Leaves. B) Stem. C) Roots. D) Seed. Show Answer Correct Answer: A) Leaves. 11. NP-4, kalyan sona and s-227 wheat varieties have developed through A) Multiple crossing. B) Genetic engineering. C) Selection. D) R-ray irradiation. Show Answer Correct Answer: C) Selection. 12. The growth of ivy tendrils that wrap around objects is an example of A) Thigmotropism. B) Photoperiodism. C) Phototropism. D) Gravitropism. Show Answer Correct Answer: A) Thigmotropism. 13. How do plants get their energy? A) Through a reaction called chlorophyll. B) By a process called photosynthesis. C) By absorbing mineral nutrients from soil. D) By eating other organisms. Show Answer Correct Answer: B) By a process called photosynthesis. 14. A commercial flower grower could induce winter flowering of a long-day plant by A) Fertilizing the plant with nitrogen. B) Exposing the plant to a brief period of light in the middle of the night. C) Treating the plant with gibberellin. D) Covering the plant with an opaque cloth in the late afternoon. Show Answer Correct Answer: B) Exposing the plant to a brief period of light in the middle of the night. 15. Which of these is the source of the chemical energy that plant cells use for growth and other life functions? A) Chemicals absorbed from the soil. B) Kinetic energy generated by the wind. C) Proteins obtained from animals. D) Glucose made during photosynthesis. Show Answer Correct Answer: D) Glucose made during photosynthesis. 16. What three things does a plant need to take in to be able to go through photosynthesis? A) Sunlight, water, and carbon dioxide. B) Sunlight, water, and oxygen. C) Oxygen, carbon, and hydrogen. D) Water, oxygen, and glucose. Show Answer Correct Answer: A) Sunlight, water, and carbon dioxide. 17. The reason that moss plants don't grow very tall is because it A) Has vascular tissue. B) Is miniature. C) Lacks vascular tissue. D) Likes to hide. Show Answer Correct Answer: C) Lacks vascular tissue. 18. What is the meristematic layer of cork cells that replace the epidermis that protect and support the stem called? * A) Cuticle. B) Vascular Cambien. C) Dermal Tissue. D) Cork Cambien. Show Answer Correct Answer: D) Cork Cambien. 19. Where does cellular respiration occur? A) Mitochondria. B) Cholorplast. C) Nucleus. D) Cell wall. Show Answer Correct Answer: A) Mitochondria. 20. The part of a flower that COLLECTS pollen A) Spore. B) Stamen. C) Transpiration. D) Pistil. Show Answer Correct Answer: D) Pistil. 21. In fruits, the fertilized egg becomes the ..... A) Pollen. B) Ovary. C) Ovule. D) Seed. Show Answer Correct Answer: D) Seed. 22. Promotes cell elongation A) Gibberellin. B) Auxin. C) Ethylene. D) Cytokinins. E) Abscisic acid. Show Answer Correct Answer: B) Auxin. 23. Are plants autotroph, heterotroph, or both? ? ? ? ? A) Heterotroph:make food by doing photosynthesis. B) Heterotroph. C) Autotroph. D) Autotroph:make food by doing photosynthesis. Show Answer Correct Answer: D) Autotroph:make food by doing photosynthesis. 24. The calvin cycle takes place in the A) Photosystems. B) Chlorophyll molecules. C) Stroma. D) Thylakoid membranes. Show Answer Correct Answer: C) Stroma. 25. Flowers become fruits, which bear seeds. The seeds germinate to give new plants. Name this type of reproduction. A) Asexual reproduction. B) Sexual reproduction. C) Vegetative propagation. D) None of above. Show Answer Correct Answer: B) Sexual reproduction. 26. What is an adaptation? A) A feature that that helps only animals survive. B) A feature that helps a living thing walk. C) A feature that helps a plant grow. D) A feature that helps a living thing survive. Show Answer Correct Answer: D) A feature that helps a living thing survive. 27. How do Dodders survive? A) They do everything other plants do. B) They make their own sugar. C) They steal sugar from other plants. D) They gather their own water. Show Answer Correct Answer: C) They steal sugar from other plants. 28. A waxy layer that holds in moisture in plants. A) Pollination. B) Cuticle. C) Lignin. D) Seed. Show Answer Correct Answer: B) Cuticle. 29. Which of these plant structures supports a plant so it does not fall over? A) Seed. B) Root. C) Leave. D) Flower. Show Answer Correct Answer: B) Root. 30. Which of these is NOT a way to classify plants? A) As vascular and nonvascular. B) As vertebrates and invertebrates. C) As seed producing and spore producing. D) As deciduous and coniferous. Show Answer Correct Answer: B) As vertebrates and invertebrates. ← 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