This quiz works best with JavaScript enabled. Home > Plant Biology > Studies > Plant Biology – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 24 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In which type of growth response does the plant grow toward a light source? A) Phototropism. B) Heliotropism. C) Geotropism. D) Hydrotropism. Show Answer Correct Answer: A) Phototropism. 2. Which pathway represents the flow of electrons during photosynthesis? A) O2, ADP, Calvin cycle. B) H2O, NADPH, Calvin Cycle. C) H20, Photosystem I, Photosystem II. D) Photosystem I, Calvin cycle. Show Answer Correct Answer: B) H2O, NADPH, Calvin Cycle. 3. In the moss life cycle, how does a sperm cell get to an egg cell? A) Through the help of water. B) Through self-pollination. C) Through cross-pollination. D) Through the help of the flower. Show Answer Correct Answer: A) Through the help of water. 4. Which of the following is an adaptation of a xerophyte? A) Reduced roots. B) Enlarged leaves. C) Many stomata. D) Thick cuticle. Show Answer Correct Answer: D) Thick cuticle. 5. In grafting the upper part is known as- A) Stock. B) Scion. C) Parent plant. D) None of above. Show Answer Correct Answer: B) Scion. 6. What is the function of collenchyma cells/tissue? A) Provide structural support for new growth. B) Storage and photosynthesis. C) Extra protection and support. D) Transporting nutrients in two networks of tubes. Show Answer Correct Answer: A) Provide structural support for new growth. 7. In what form is carbohydrate usually transported in the phloem tissue? A) Glucose. B) Maltose. C) Starch. D) Sucrose. Show Answer Correct Answer: D) Sucrose. 8. The leaves of this plant produces buds in their margin which grows into a new plant. A) Sugarcane. B) Lotus. C) Bryophyllum. D) Tulsi. Show Answer Correct Answer: C) Bryophyllum. 9. What is found on the underside of the fern's leaf? A) Rhizome. B) Sori. C) Zygote. D) Seed. Show Answer Correct Answer: B) Sori. 10. What parts of the plant can you see? A) Flower, stem, leaves, roots and fruit. B) Flower, trunk, leaves, roots and fruit. C) Flower, stem, leaves and roots. D) None of above. Show Answer Correct Answer: C) Flower, stem, leaves and roots. 11. In symplastic pathway water moves from cell to cell through A) Plasmodesmata. B) Cell walls. C) Stomata. D) None. Show Answer Correct Answer: A) Plasmodesmata. 12. THE GREEN PART THAT GROWS ABOVE THE GROUND IS CALLED A) ROOT SYSTEM. B) SHOOT SYSTEM. C) TREES. D) SHURBS. Show Answer Correct Answer: B) SHOOT SYSTEM. 13. Special cells that open and close for gas exchange are called A) Vascular tissue. B) Guard Cells. C) Meristem. D) Mesophyll. Show Answer Correct Answer: B) Guard Cells. 14. Where must pollen FIRST land in order for fertilization to occur? A) Ovary. B) Anther. C) Stigma. D) Style. Show Answer Correct Answer: C) Stigma. 15. The ..... make the food, which reaches the root after it has passed through the stem. A) Leaves. B) Roots. C) Flower. D) Stem. Show Answer Correct Answer: A) Leaves. 16. Transpiration (water loss) takes place in the ..... A) Roots. B) Stems. C) Leaves. D) Flowers. Show Answer Correct Answer: C) Leaves. 17. A SAPROPHYTIC PLANT IS USUALLY ..... A) REDDISH. B) YELLOWISH. C) WHITSH. D) PINKISH. Show Answer Correct Answer: C) WHITSH. 18. Plants gather the sun's energy with light-absorbing molecules called A) Glucose. B) Chloroplasts. C) Pigments. D) Thylakoids. Show Answer Correct Answer: C) Pigments. 19. How do plants take in water? A) Through the sun. B) Through their roots. C) Through their flowers. D) Through their stems. Show Answer Correct Answer: B) Through their roots. 20. The STIGMA's job is A) To catch/stick to pollen. B) To produce pollen. C) To attract pollinators. D) None of these. Show Answer Correct Answer: A) To catch/stick to pollen. ← 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