This quiz works best with JavaScript enabled. Home > Agriculture > Plant Biology > Studies > Plant Biology – Quiz 38 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 38 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following could be used to induce greenhouse plants to flower out of season? I Cutting the shoot tipsII Lighting the plants to increase the length of the dayIII Planting the seeds in a different seasonIV Darkening the greenhouse to decrease the length of the day A) I only. B) B 1 and II and IV only. C) C II and IV only. D) D All of them. Show Answer Correct Answer: C) C II and IV only. 2. A vascular plant that reproduces with spores. A) Angiosperms. B) Ferns. C) Gymnosperms. D) None of above. Show Answer Correct Answer: B) Ferns. 3. The cells that control the stoma are the ..... cells? A) Tackle. B) Guard. C) Helper. D) Stoma. Show Answer Correct Answer: B) Guard. 4. Which of the following helps to reduce the lose of water from a plant? A) The arrangement of palisade mesophyll cells. B) The waxy layer of cuticle. C) The arrangement of spongy mesophyll cells. D) The presence of xylem. Show Answer Correct Answer: B) The waxy layer of cuticle. 5. The ovary, style, and the stigma make up the female part of a plant called the? A) Stamen. B) Petals. C) Carpel (pistil). D) Stem. Show Answer Correct Answer: C) Carpel (pistil). 6. Mineral nutrients from the soil move into roots by A) Root pressure. B) Active transport. C) Osmosis. D) Diffusion. Show Answer Correct Answer: B) Active transport. 7. Auxins are ..... A) Contained in an animal cell. B) Plants hormones responsible for the growth of plant cells. C) Scientific term for growth hormone in our body. D) None of above. Show Answer Correct Answer: B) Plants hormones responsible for the growth of plant cells. 8. My job is to make food using sunlight, water and carbondioxide from the air. I am a ..... A) Flower. B) Leaf. C) Root. D) Stem. Show Answer Correct Answer: B) Leaf. 9. A green pigment that is found in plants' leaves. It helps the plant make food. A) Avocado. B) Queso. C) Cabbage. D) Chlorophyll. Show Answer Correct Answer: D) Chlorophyll. 10. What grows on the end of stems? A) Butterflies. B) Leaves. C) Bees. D) Berries. Show Answer Correct Answer: B) Leaves. 11. Which part of the plant delivers food to plants cells within roots, stems and leaves? A) Phloem. B) Petal. C) Shoot. D) Petiole. Show Answer Correct Answer: A) Phloem. 12. A vascular plant that produces seeds on the scales of female cones A) Monocot. B) Angiosperm. C) Dicot. D) Gymnosperm. Show Answer Correct Answer: D) Gymnosperm. 13. A cell wall ..... A) Is sometimes rigid. B) Filters the cell. C) Protects the cell. D) All of these. Show Answer Correct Answer: D) All of these. 14. Which plant produces flowers? A) Seedless plants. B) Spore plants. C) Seed plants. D) None of above. Show Answer Correct Answer: C) Seed plants. 15. This is when a pollen grain combines with an egg in the plant's ovary. A) Pollenation. B) Reproduction. C) Germination. D) Fertilization. Show Answer Correct Answer: D) Fertilization. 16. Energy is released from ATP when A) A phosphate group is removed. B) ATP is exposed to sunlight. C) A phosphate group is added. D) Adenine bonds to ribose. Show Answer Correct Answer: A) A phosphate group is removed. 17. Which ground tissue in a dicot stem, that is generally absent in a monocot stem, functions to store carbohydrates? A) Cortex. B) Pith. C) Periderm. D) Cambium. Show Answer Correct Answer: B) Pith. 18. Which of the following are effects of auxin? I. Increasing the rate of cell elongation in stemsII. Changing the pattern of gene expression in shoot cellsIII. Detecting the direction of light A) I and II only. B) I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: A) I and II only. 19. All plants are classified based on ..... A) Whether they have cuticle or not. B) Whether they have vascular tissue or not. C) Whether they have flowers or not. D) Whether they do photosynthesis or not. Show Answer Correct Answer: B) Whether they have vascular tissue or not. 20. The ingredients needed to make the glucose or sugar that plants need for food are: A) Carbon dioxide and water. B) Carbon dioxide, water, light energy, and chlorophyll. C) Carbon dioxide, water, and light energy. D) None of above. Show Answer Correct Answer: B) Carbon dioxide, water, light energy, and chlorophyll. 21. Contains xylem and phloem within the leaf: A) Veins. B) Stoma. C) Mesophyll. D) Epidermis. Show Answer Correct Answer: A) Veins. 22. The plant kingdom is sometimes divided into divisions or groupings of phyla. How many phyla are there within the divisions? A) 9. B) 12. C) 11. D) 10. Show Answer Correct Answer: B) 12. 23. Why are they part of the fungus kingdom? A) Lichen. B) Fungi gets food by absorbing nutrients that are from the organic material that they live in. C) The fungus partner is always going to be the major partner. D) The fruit of the organism. Show Answer Correct Answer: C) The fungus partner is always going to be the major partner. 24. Dormancy refers to A) Buds developing in winter which causes seed to grow longer. B) The growth of dwarf plants. C) Buds that stop developing in winter which causes seeds not to grow. D) The reduced growth of dwarf plants. Show Answer Correct Answer: C) Buds that stop developing in winter which causes seeds not to grow. 25. What is being produced during photosynthesis? A) Sugar and oxygen. B) Sugar and carbon dioxide. C) Glucose. D) Gases. Show Answer Correct Answer: A) Sugar and oxygen. 26. The reproductive organ of most gymnosperms is some form of a ..... A) Stem. B) Root. C) Cone. D) Branch. E) Flower. Show Answer Correct Answer: C) Cone. 27. The vascular cylinder of a root consists of A) Phloem, xylem, and ground tissue. B) Phloem only. C) Phloem and xylem. D) Xylem only. Show Answer Correct Answer: C) Phloem and xylem. 28. What does a plant's stem do? A) It holds the plant. B) It holds the seed. C) It makes food for the plant. D) None of above. Show Answer Correct Answer: A) It holds the plant. 29. Bananas, when mixed with other fruits, release a hormone that causes them to ripen more quickly. What is this hormone? A) Auxins. B) Growth hormone. C) Ethylene. D) Gibberillins. Show Answer Correct Answer: C) Ethylene. 30. The part of the plant that holds the plant in place and absorbs water and minerals from the soil. A) Stem. B) Roots. C) Leaves. D) None of above. Show Answer Correct Answer: B) Roots. ← 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