This quiz works best with JavaScript enabled. Home > Plant Biology > Studies > Plant Biology – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 19 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which part of a plant carries water to different parts of a plant? A) Flower. B) Leaf. C) Stem. D) Roots. Show Answer Correct Answer: C) Stem. 2. How do the plant systems work together to make this movement of liquid possible? A) The roots absorb water and minerals and move them up to the stem, while the stem moves food produced in the leaves down to the roots in tiny tubes. B) The roots anchor the plants in the soil, and the stem holds the leaves up. C) The roots absorb their own water and minerals, while the stem absorbs its water and minerals through the leaves. D) The roots lose water vapor to the soil, and the stem loses water vapor through the leaves. Show Answer Correct Answer: A) The roots absorb water and minerals and move them up to the stem, while the stem moves food produced in the leaves down to the roots in tiny tubes. 3. What happens in the leaves of a plant that causes water to move up the stem? ? ? ? ? A) They have thickened fibers that can support no weight. B) The decrease in the water pressure in the upper parts of plants that is due to the diffusion of water out of stomata into the atomosphere. C) The increase in the water pressure in the upper parts of plants that is due to the diffusion of water out of stomata into the atmosphere. D) They have thickened fibers that can support more weight. Show Answer Correct Answer: B) The decrease in the water pressure in the upper parts of plants that is due to the diffusion of water out of stomata into the atomosphere. 4. Hedges that grow along a sidewalk and are frequently touched are shorter than hedges elsewhere. This is known as A) Phototropism. B) Thigmotropism. C) Gravitropism. D) None of above. Show Answer Correct Answer: B) Thigmotropism. 5. The vascular tissue that carries water and nutrients upward through the stem to the leaves is called A) Xylem. B) Phloem. C) Flohum. D) Zylum. Show Answer Correct Answer: A) Xylem. 6. What is transpiration? A) Excess water being released from the aerial parts of plants in the form of water vapor. B) Excess sugar being released from the leave. C) The way a plant makes its food. D) When the plant uses sugar for energy. Show Answer Correct Answer: A) Excess water being released from the aerial parts of plants in the form of water vapor. 7. What parts are on ALL plants? A) Roots, stems, leaves. B) Petals, roots. C) Leaves, branches, petals. D) None of above. Show Answer Correct Answer: A) Roots, stems, leaves. 8. Which part of a plant soaks up water from the ground? A) Flower. B) Leaf. C) Stem. D) Roots. Show Answer Correct Answer: D) Roots. 9. Do Fungi have a cell wall? ? ? ? ? A) Yes. B) What? ? ? ?. C) No. D) Some do but some do not. Show Answer Correct Answer: A) Yes. 10. Most plants are A) Multicellular, prokaryotic heterotrophs. B) Multicellular, eukaryotic autotrophs. C) Unicellular, eukaryotic autotrophs. D) Unicellular, prokaryotic heterotrophs. Show Answer Correct Answer: B) Multicellular, eukaryotic autotrophs. 11. Plant's roots grow down, anchoring it into the ground. To what stimulus is the plant responding? A) Thigmotropism. B) Phototropism. C) Hydropism. D) Gravitropism. Show Answer Correct Answer: D) Gravitropism. 12. Non-vascular plants that include mosses, hornworts and liverworts. They are seedless and produce spores * A) Angiosperms. B) Gymnosperm. C) Bryophytes. D) None of above. Show Answer Correct Answer: C) Bryophytes. 13. Which of the following is directly related to photoperiodism? A) Ethylene gas. B) Phytochrome. C) Cytokinins. D) Transpirational pull. Show Answer Correct Answer: B) Phytochrome. 14. The portion of a stem in a plant that is between two successive leaves or leaf pairs. A) Node. B) Internode. C) Cambium. D) Turgor. Show Answer Correct Answer: B) Internode. 15. What are the products of the light-dependent reactions? A) Oxygen gas. B) ATP. C) NADPH. D) All of the above. Show Answer Correct Answer: D) All of the above. 16. In order to succeed on land away from water, plants need A) Vascular tissue. B) Flowers. C) Cones. D) All of the above. Show Answer Correct Answer: A) Vascular tissue. 17. How do seeds get energy to germinate? A) It gets energy from the sunlight. B) It gets energy from another plant,. C) It gets energy from the food stored in the soil. D) It gets energy from the food stored in the seed. Show Answer Correct Answer: D) It gets energy from the food stored in the seed. 18. A seed plant is anchored in the ground by its A) Stems. B) Leaves. C) Roots. D) Trichomes. Show Answer Correct Answer: C) Roots. 19. IN WHICH FORM DO PLANTS ABSORB NITROGEN A) NITRATES. B) NITROXIDE. C) AMMONIA. D) BOTH A AND C. Show Answer Correct Answer: D) BOTH A AND C. 20. How many steps are there in plant breeding A) 5. B) 6. C) 4. D) 2. Show Answer Correct Answer: A) 5. ← PreviousNext →Related QuizzesPlant Biology QuizzesPlant Biology Quiz 1Plant Biology Quiz 2Plant Biology Quiz 3Plant Biology Quiz 4Plant Biology Quiz 5Plant Biology Quiz 6Plant Biology Quiz 7Plant Biology Quiz 8Plant Biology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books