This quiz works best with JavaScript enabled. Home > Agriculture > Plant Biology > Studies > Plant Biology – Quiz 29 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 29 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Roots perform all of the following functions EXCEPT A) Carrying out the light reactions of photosynthesis. B) Anchoring the plant in the soil. C) Absorbing water and nutrients from the soil. D) Storing water and minerals. Show Answer Correct Answer: A) Carrying out the light reactions of photosynthesis. 2. This part of the plant holds the plant in the ground and gets water and nutrients from the soil. A) Flower. B) Leaves. C) Stem. D) Roots. Show Answer Correct Answer: D) Roots. 3. What is missing in the photosynthesis equation? ..... + carbon dioxide + water = glucose + oxygen A) Water. B) Sunlight. C) Carbon dioxide. D) Oxygen. Show Answer Correct Answer: B) Sunlight. 4. What gas is RELEASED during photosynthesis? A) Nitrogen. B) Argon. C) Oxygen. D) Carbon dioxide. Show Answer Correct Answer: C) Oxygen. 5. In angiosperms, xylem consists of tracheids and A) Sieve tube elements. B) Parenchyma cells. C) Vessels elements. D) Companion cells. Show Answer Correct Answer: C) Vessels elements. 6. Pine, gingko, cypress and spruce are examples of .....? A) Angiosperm. B) Gymnosperm. C) Ppteridophytes. D) None of above. Show Answer Correct Answer: B) Gymnosperm. 7. People and animals need this to breathe. It is a type of gas given off during photosynthesis A) Carbon monoxide. B) Carbon dioxide. C) Oxygen. D) Nitrogen. Show Answer Correct Answer: C) Oxygen. 8. By what process do cells of higher plants become specialized? A) Cell division. B) Cell elongation. C) Cell differentiation. D) Cell maturation. Show Answer Correct Answer: C) Cell differentiation. 9. The loss of water through a plant's leaves (through stomata) A) Translation. B) Transpiration. C) Sweat. D) Evaporation. Show Answer Correct Answer: B) Transpiration. 10. The source of energy plants use to make food A) Soil. B) Sunlight. C) Photosynthesis. D) Air. Show Answer Correct Answer: B) Sunlight. 11. What part of a plant collects sunlight? A) Leaf. B) Seed. C) Root. D) Stem. Show Answer Correct Answer: A) Leaf. 12. I have a long and feathery stigma that sticks out of the flower. How am I pollinated? A) By water. B) By wind. C) By insects. D) By explosive action. Show Answer Correct Answer: B) By wind. 13. The stomata is controlled by pairs of cells that open and close called: A) Diffusion. B) Epidermis. C) Guard cells. D) Palisade layer. Show Answer Correct Answer: C) Guard cells. 14. Which of the following tissues can, at particular times in the life cycle of a plant, be both a source and a sink of sugar? A) Fruits. B) Photosynthesizing mature leaves. C) Meristems. D) Cotyledons. Show Answer Correct Answer: D) Cotyledons. 15. Study the paired combinations on Classification and find out the incorrect pair:i) Artificial system-based on few characteristics ii) Natural system-natural affinities among organisms iii) Phylogenetic-using computers comparing lot of characteristics iv) Cytotaxonomy-chromosome number, structure etc. A) Ii). B) Iii). C) Iv). D) I). Show Answer Correct Answer: B) Iii). 16. A plant that is partially autotrophic A) Pea. B) Algae. C) Fungus. D) Pitcher plant. Show Answer Correct Answer: D) Pitcher plant. 17. The male parts of the plant are A) Stigma and style. B) Anther and filament. C) Ovary and style. D) Style and filament. Show Answer Correct Answer: B) Anther and filament. 18. In the 4th step of seed germination, what happens to the cotyledons? A) The radicle forms. B) The hypocotyl forms. C) They whither and fall off. D) The first leaves form. Show Answer Correct Answer: C) They whither and fall off. 19. After fertilization, the ovary in a flower becomes A) Fruit. B) Seed. C) Sperm. D) Egg. Show Answer Correct Answer: A) Fruit. 20. Which of the following is a vascular plant that flowers and produces a fruit which contains seeds? A) Gymnosperm. B) Angiosperm. C) Monocots. D) Dicots. Show Answer Correct Answer: B) Angiosperm. 21. What are the little openings on the underside of the leaf where gas exchanges occur? * A) Sepals. B) Stomata. C) Petiole. D) Guard Cells. Show Answer Correct Answer: B) Stomata. 22. The stroma is the region outside the A) Thylakoids. B) Chloroplasts. C) Plant cells. D) All of the above. Show Answer Correct Answer: A) Thylakoids. 23. Fungi:What is the definition of Sexual Reproduction? ? ? ? ? ? A) Spores. B) Budding, fragmentation and regeneration, and spores. C) Budding. D) This does not exist. Show Answer Correct Answer: A) Spores. 24. Which of the following statements is true about bryophytes? A) They have specialized tissues that conduct water. B) They draw up water by osmosis. C) They are not highly dependent on water. D) They are a group of plants made up of algae and mosses. Show Answer Correct Answer: B) They draw up water by osmosis. 25. Takes up water/minerals through the roots through capillary action A) Xylem. B) Phloem. C) Arteries. D) None of above. Show Answer Correct Answer: A) Xylem. 26. Photosynthesis occurs in which type of cells? A) Fungi cells. B) Plant cells. C) Animal cells. D) All types of cells. Show Answer Correct Answer: B) Plant cells. 27. Which of the following is true of the bryophytes? A) They exhibit extensive branching of xylem and phloem. B) It is the only group that shows an alternation of generations. C) The sporophyte (diploid) is the dominant stage. D) They lack a vascular system and water and nutrients must be passed from cell to cell by diffusion. Show Answer Correct Answer: D) They lack a vascular system and water and nutrients must be passed from cell to cell by diffusion. 28. The term that is used for the mode of nutrition in yeast, mushroom and bread-mould is A) Saprophytic. B) Autotrophic. C) Insectivorous. D) Parasitic. Show Answer Correct Answer: A) Saprophytic. 29. Waxy layer that covers the surface of the leaf and reduces water loss: A) Epidermis. B) Veins. C) Cuticle. D) Stoma. Show Answer Correct Answer: C) Cuticle. 30. Which part holds the seeds? A) Stem. B) Flower. C) Roots. D) Leaf. Show Answer Correct Answer: B) Flower. ← 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