This quiz works best with JavaScript enabled. Home > Plant Biology > Plant Biology – Quiz 51 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 51 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How many nuclei are contained within an angiosperm embryo sac? A) 2. B) 4. C) 6. D) 8. Show Answer Correct Answer: D) 8. 2. A plant growing in response to the sunlight. A) Gravitropism. B) Phototropism. C) Thigmotropism. D) Hydrotropism. Show Answer Correct Answer: B) Phototropism. 3. Referring to the picture on the board, #24 is pointing at the ..... A) Style. B) Ovary. C) Pistil. D) Stamen. Show Answer Correct Answer: D) Stamen. 4. What BEST defines adhesion. A) Water molecules bonding to each other due to the hydrophobic nature of water. B) Water molecules bonded to other other surfaces due to the transparency of water. C) Water molecules sticking to each other due to the polarity of water. D) Water molecules sticking to other surfaces due to the polarity of water. Show Answer Correct Answer: D) Water molecules sticking to other surfaces due to the polarity of water. 5. One of the main functions of stems is to A) Carry out photosynthesis. B) Transport substances between roots and leaves. C) Store carbophydrates. D) Store water. Show Answer Correct Answer: B) Transport substances between roots and leaves. 6. To observe mitosis, which of the following should a student examine under a compound microscope? A) Xylem from a tree trunk. B) Phloem from the stem of a plant. C) Tip of a shoot. D) Epidermis of a leaf. Show Answer Correct Answer: C) Tip of a shoot. 7. The tiny opening on the plant that lets air in and holds water in is called the ..... A) Guard cell. B) Stomata. C) Petal. D) Cuticle. Show Answer Correct Answer: B) Stomata. 8. Xylem vessel elements are strengthened by A) Lignin. B) Cellulose. C) Melanin. D) Pericycle. Show Answer Correct Answer: A) Lignin. 9. Which of the following are true of phloem tissue? I. plasmodesmata separate each sieve elementII. companion cells contain many mitochondria for active transportIII. the lumen of sieve elements has no organelles A) I and II only. B) I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: C) II and III only. 10. Where does photosynthesis take place in a plant? A) Nuclus. B) Cell wall. C) Cell membrane. D) Chloroplast. Show Answer Correct Answer: D) Chloroplast. 11. The type of growth in a plant that causes the plants roots and shoots to become longer. A) Primary growth. B) Secondary growth. C) Cell enlargement. D) Turgor. Show Answer Correct Answer: A) Primary growth. 12. The ..... helps hold the plant up and carries water and nutrients to the rest of the plant from the roots. A) Leaves. B) Roots. C) Stem. D) Seed. Show Answer Correct Answer: C) Stem. 13. The main plant body of a moss is ..... A) Gametophyte. B) Sporophyte. C) Capsule. D) Spores. Show Answer Correct Answer: A) Gametophyte. 14. In what way is fertilization different in angiosperms than in other plants? A) In angiosperms, a sperm fuses with an egg to produce a zygote. B) Unlike other plants, angiosperms require water for fertilization to take place. C) Two fertilization events take place in angiosperms, producing a zygote and endosperm. D) Angiosperms are the only plants to produce seeds after fertilization takes place. Show Answer Correct Answer: C) Two fertilization events take place in angiosperms, producing a zygote and endosperm. 15. Ferns are a type of A) Vascular Seedless Plant. B) Nonvascular Plant. C) Angiosperm. D) Vascular Seed Plant. Show Answer Correct Answer: A) Vascular Seedless Plant. 16. A type of germination where the cotyledon goes above the soil is called ..... A) Epicotyl. B) Hypocotyl. C) Dicots. D) Epygeal. Show Answer Correct Answer: D) Epygeal. 17. An objective of plant breeding is A) To produce low yielding crop. B) To decrease responsiveness to fertilisers in crops. C) To produce disease and insect resistance crops. D) None of the above. Show Answer Correct Answer: C) To produce disease and insect resistance crops. 18. Which of the following raw material is available in the air for Photosynthesis? A) Oxygen. B) Carbon dioxide. C) Nitrogen. D) Hydrogen. Show Answer Correct Answer: B) Carbon dioxide. 19. PLANTS THAT FEED ON INSECTS. A) PARASITIC PLANT. B) SAPHROPHYTES. C) SYMBIOSIS. D) INSECTIVOROUS PLANTS. Show Answer Correct Answer: D) INSECTIVOROUS PLANTS. 20. The development of a plant from a seed. A) Germination. B) Vigorous. C) Dormancy. D) Hardening off. Show Answer Correct Answer: A) Germination. ← PreviousNext →Related 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 9Plant Biology Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books