This quiz works best with JavaScript enabled. Home > Agriculture > Plant Biology > Studies > Plant Biology – Quiz 28 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 28 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Why do nonvascular plants grow close to the ground? A) For space. B) To absorb water. C) For protection. D) To get less sunlight. Show Answer Correct Answer: B) To absorb water. 2. Where are photosystems I and II found? A) In the stroma. B) In the thylakoid membrane. C) In the calvin cycle. D) All of the above. Show Answer Correct Answer: B) In the thylakoid membrane. 3. What will happen to the shoot if its tip is being cut off? A) The shoot do not grow longer. B) The shoot will grow towards the sunlight. C) The shoot grows upwards. D) None of above. Show Answer Correct Answer: A) The shoot do not grow longer. 4. Find the incorrect match from the following pairs i) Psilopsida-Psilotum, ii) Lycopsida-Lycopodium iii) Sphenopsida-Selaginella iv) Pteropsida-Pteris A) Iii). B) Ii). C) Iv). D) I). Show Answer Correct Answer: A) Iii). 5. Xylem is responsible for A) Allowing plants to grow roots. B) Allowing moisture to escape through the leaves. C) Carrying water and nutrients down from leaves to roots. D) Carrying water and nutrients up from the roots to the leaves. Show Answer Correct Answer: D) Carrying water and nutrients up from the roots to the leaves. 6. Response to WATER is called ..... A) Thigmotropism. B) Geotropism. C) Hydrotropism. D) Phototropism. Show Answer Correct Answer: C) Hydrotropism. 7. What hormone is responsible for the closing of stomata? A) Abscisic Acid. B) GA (Gibberellin). C) Auxin. D) Phytochrome. Show Answer Correct Answer: A) Abscisic Acid. 8. The stomata of leaves are usually open A) At night if a plant has enough water. B) During the day if a plant has enough water. C) During the day if a plant has too little water. D) At night if a plant has too little water. Show Answer Correct Answer: B) During the day if a plant has enough water. 9. Which of the following provides food for the embryo? A) Vascular cambium. B) Cotyledon. C) Endosperm. D) Fruit. Show Answer Correct Answer: C) Endosperm. 10. Transpiration is a type of ..... A) Liquidation. B) Evaporation. C) Condensation. D) None of above. Show Answer Correct Answer: B) Evaporation. 11. Where can you find seeds? A) In the cap. B) In fruits. C) In flowers. D) Under the leaves. Show Answer Correct Answer: B) In fruits. 12. Which statement about Brown algae is correct? A) Reserve food is Floridean starch. B) Two Equal apical flagella present. C) Cell wall made of cellulose and algin. D) Chlorophyll a and d present. Show Answer Correct Answer: C) Cell wall made of cellulose and algin. 13. The plant transport system are made up of ..... types of tubes. A) 2. B) 1. C) 3. D) Many. Show Answer Correct Answer: A) 2. 14. Plant growth in response to gravity (stems grow upward and roots grow downward) A) Gravitropism. B) Shoot system. C) Nonvascular plant. D) None of above. Show Answer Correct Answer: A) Gravitropism. 15. A tree is damaged and can no longer conduct water throughout. What part of the tree has been damaged? A) Xylem. B) Stomata. C) Mesophyll. D) Ground tissue. Show Answer Correct Answer: A) Xylem. 16. How much rain falls in the desert? A) 10 inches. B) More than 10 inches. C) Less than 10 inches. D) None at all. Show Answer Correct Answer: C) Less than 10 inches. 17. This is occurring when the stem from a plant that's been tipped over grows up towards the light, away from the ground is considered A) Thigmotropism. B) Gravitropism. C) Hydrotropism. D) Phototropism. Show Answer Correct Answer: D) Phototropism. 18. In which type of growth response does the plant's roots grow toward a water source? A) Phototropism. B) Heliotropism. C) Hydrotropism. D) Thigmotropism. Show Answer Correct Answer: C) Hydrotropism. 19. An angiosperm having two cotyledons and leaves with branching veins. A) Gymnosperm. B) Dicot. C) Monocot. D) Nonvascular plant. Show Answer Correct Answer: B) Dicot. 20. Sonalika and kalyan sona are high yielding varieties of A) Sugar cane. B) Maize. C) Rice. D) Wheat. Show Answer Correct Answer: D) Wheat. 21. Which types of plants produce asexually with spores? A) Mosses & gymnosperms. B) Angiosperms & gymnosperms. C) Mosses & angiosperms. D) Mosses & ferns. Show Answer Correct Answer: D) Mosses & ferns. 22. The elongation of roots and stems is known as A) Secondary growth. B) Epidermal growth. C) Tertiary growth. D) Primary growth. Show Answer Correct Answer: D) Primary growth. 23. How do vascular seedless plants reproduce? A) Pollen. B) Spores. C) Ferns. D) Seeds. Show Answer Correct Answer: B) Spores. 24. Name 2 beneficial fungi. A) Salamander. B) Athletes foot and ringworm. C) Mushrooms and yeast. D) Yeast. Show Answer Correct Answer: C) Mushrooms and yeast. 25. The mode of nutrition in which organisms make food themselves from simple substances is called( ) A) Autotrophic nutrition. B) Heterotrophic nutrition. C) Saprotrophic nutrition. D) All of the above. Show Answer Correct Answer: A) Autotrophic nutrition. 26. Calvin cycle is another name for A) Light-independant reactions. B) Light-dependant reactions. C) Photosynthesis. D) All of the above. Show Answer Correct Answer: A) Light-independant reactions. 27. The tissue that conducts food in vascular plants A) Phloem. B) Phototropism. C) Root system. D) None of above. Show Answer Correct Answer: A) Phloem. 28. When we observe the lower surface of a leaf through a magnifying lens we see numerous small openings. Which of the following is the term given to such openings? A) Lamina. B) Veins. C) Stomata. D) Midrib. Show Answer Correct Answer: C) Stomata. 29. The auxins are made ..... A) At the tips of the plant shoots and roots. B) At the middle part of the plants. C) On the leaves. D) None of above. Show Answer Correct Answer: A) At the tips of the plant shoots and roots. 30. A plant that produces seeds on the scales of cones is A) A pterophyte. B) An angiosperm. C) A bryophyte. D) A gymnosperm. Show Answer Correct Answer: D) A gymnosperm. ← 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