This quiz works best with JavaScript enabled. Home > Agriculture > Plant Biology > Studies > Plant Biology – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 21 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which best identifies how plants use carbon dioxide? A) To take in light. B) For keeping cool. C) For energy. D) To make food. Show Answer Correct Answer: D) To make food. 2. Which of the following is a true statement regarding plant stems? A) Stems make new living tissue that results in primary or secondary growth. B) Stems of green herbaceous plants are the major photosynthetic organs. C) Stems store food manufactured by the plant in specialized cork cells. D) Stems transport water and minerals downward to the roots through the xylem. Show Answer Correct Answer: A) Stems make new living tissue that results in primary or secondary growth. 3. Auxins in the shaded side of plant cause the plant cell to grow ..... A) Longer. B) Shorter. C) No change. D) None of above. Show Answer Correct Answer: A) Longer. 4. Which of the following is NOT a group of plants? A) Seed, vascular. B) Spore, cardiovascular. C) Nonseed nonvascular. D) Nonseed, vascular. Show Answer Correct Answer: B) Spore, cardiovascular. 5. What gives plants its tough fiber that gives plants their rigidity? * A) Cellulose. B) Cuticle. C) Fructose. D) Phloem. Show Answer Correct Answer: A) Cellulose. 6. Leaves Are The Food Factories Of Plant" . But, How Does Cactus (Desert Plants) Carry Out Photosynthesis? A) Stems. B) Roots. C) Green leaves. D) Spines. Show Answer Correct Answer: A) Stems. 7. Plant tissue that supports growing regions of the plant. A) Parenchyma. B) Collenchyma. C) Sclerenchyma. D) Meristematic. Show Answer Correct Answer: B) Collenchyma. 8. Xylem tissue is important because it A) Can conduct water over long distances. B) Allows water to diffuse from the roots. C) Carries carbohydrates to all parts of the plant. D) Carries out photosynthesis. Show Answer Correct Answer: A) Can conduct water over long distances. 9. What tubes transport water from the roots to the leaves? A) Phloem. B) Roots. C) Stem. D) Xylem. Show Answer Correct Answer: D) Xylem. 10. Hairs or spikes that help plants prevent water loss, being eaten, or insects laying eggs A) Trichomes. B) Parenchyma. C) Vascular bundles. D) Petioles. Show Answer Correct Answer: A) Trichomes. 11. Which specialised plant tissue is responsible for translocation? A) Cambium. B) Guard cells. C) Root hair cells. D) Xylem. E) Phloem. Show Answer Correct Answer: E) Phloem. 12. What does the word part "photo" mean? A) Plant. B) Put together. C) Dark. D) Light. Show Answer Correct Answer: D) Light. 13. During which process do plants capture light energy and carbon dioxide and use them to produce glucose? A) Reproduction. B) Fertilization. C) Photosynthesis. D) Cellular respiration. Show Answer Correct Answer: C) Photosynthesis. 14. Diffusion is the movement of substances A) From an area of higher concentration to higher concentration. B) From an area of lower concentration to higher concentration. C) From an area of higher concentration to lower concentration. D) From an area of lower concentration to lower concentration. Show Answer Correct Answer: C) From an area of higher concentration to lower concentration. 15. Put the following plants in order from the LEAST advanced to the MOST advanced.I. FernsII. Mosses III. Orange tree IV. Spruce tree (like a Christmas tree) A) II, I, IV, III. B) I, II, IV, III. C) II, I, III, IV. D) I, II, III, IV. Show Answer Correct Answer: A) II, I, IV, III. 16. What color is chlorophyll? A) Yellow. B) Red. C) Green. D) Blue. Show Answer Correct Answer: C) Green. 17. Angiosperms that take two growing seasons to complete their life cycle; germination, reproduction, and die, are called A) Annuals. B) Triennials. C) Biennials. D) Perennials. Show Answer Correct Answer: C) Biennials. 18. Which of the following describes the heartwood of a tree? A) Old phloem that is no longer conducting nutrients. B) Vascular cambium and cork cambium. C) Old xylem that is no longer conducting water. D) Active xylem that transports water and minerals. Show Answer Correct Answer: C) Old xylem that is no longer conducting water. 19. Plants need light, carbon dioxide, and water for ..... A) Respiration. B) Photosynthesis. C) Transpiration. D) None of above. Show Answer Correct Answer: B) Photosynthesis. 20. Which cells are found in xylem? A) Cambium cells. B) Sieve Tubes. C) Companion cells. D) Tracheids. Show Answer Correct Answer: D) Tracheids. 21. If the roots are the primary sink for sugars, what is the primary source? A) Xylem. B) Stems. C) Leaves. D) Phloem. Show Answer Correct Answer: C) Leaves. 22. Where can you find the spores in mushrooms? A) In the cap. B) In flowers. C) Under the leaves. D) In fruits. Show Answer Correct Answer: A) In the cap. 23. The growth of a plant in response to touch A) Thigmotropism. B) Stamen. C) Phloem. D) None of above. Show Answer Correct Answer: A) Thigmotropism. 24. Why is the evaporation of water from leaves important? A) It cools leaves and helps move water up the plant. B) It makes the plant wilt. C) It helps the plant to respire. D) None of above. Show Answer Correct Answer: A) It cools leaves and helps move water up the plant. 25. Most of the photosynthetic activity in plants takes place in the A) Stomata. B) Guard cells. C) Mesophyll. D) Xylem. Show Answer Correct Answer: C) Mesophyll. 26. Which of the following are true of the shoot meristem? I. cells at the edge stop dividing and instead differentiateII. mitosis occursIII. it contains undifferentiated cells A) I and II only. B) I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: D) I, II and III. 27. Land plants are able to reproduce without water because they use A) Pollination and Seeds. B) A vascular system. C) Gibberellins and Auxins. D) An endosperm. Show Answer Correct Answer: A) Pollination and Seeds. 28. All of the following are characteristics of plants except: A) Autotrophic. B) Prokaryotic. C) They have chloroplasts. D) Cell wall made of cellulose. E) They have a large, central vacuole. Show Answer Correct Answer: B) Prokaryotic. 29. Which is the correct sequence of events in the development of primary xylem from meristematic tissue? A) Mitosis, meiosis, differentiation,. B) Lignification, gene expression, differentiation. C) Gene expression, lignification, meiosis. D) Mitosis, gene expression, differentiation. Show Answer Correct Answer: D) Mitosis, gene expression, differentiation. 30. Xylem cells transport ..... and phloem cells transport ..... A) Sugar, water. B) Carbon dioxide, oxygen. C) Oxygen, carbon dioxide. D) Water, sugar. Show Answer Correct Answer: D) Water, sugar. ← 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