Plant Biology Quiz 29 (20 MCQs)

Quiz Instructions

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1. In the absence of which of the following will photosynthesis not occur in leaves?

Correct Answer: B) Chlorophyll.

2. Mycorrhizae consist of a mutually beneficial association of ..... and .....

Correct Answer: A) Fungi, plant roots.

3. If the environment is good, most algae, which are single celled stay in the ..... stage.

Correct Answer: B) Haploid.

4. What are the small, green leaf-like structures that protect the flower when it is a bud?

Correct Answer: D) Sepals.

5. Organism that totally dependent on the other organism forfood are called ..... mode of nutrition.

Correct Answer: C) Heterotrophic.

6. Which of the following is NOT a spore-bearing plant?

Correct Answer: C) Daffodil.

7. How do nutrients get from the roots to the rest of the plant?

Correct Answer: C) The stem.

8. Which example below is the site of primary growth that results in the plant increasing in height?

Correct Answer: B) Apical meristems.

9. What is the function of a plant's roots?

Correct Answer: B) To keep the plant in the ground and absorb nutrients and water.

10. When is pollen is transferred from the stamen to the pistil, this is called:

Correct Answer: D) Pollination.

11. Are Fungi Autotroph, Heterotroph, or some of both?

Correct Answer: D) Heterotroph.

12. The seeds of apple would probably be disbursed by?

Correct Answer: A) Animals.

13. THE BACTERIA WHICH PROVIDES NITROGEN TO PLANTS IS CALLED?

Correct Answer: B) RHIZOBIUM.

14. Seed-bearing plants differ from all other plants in that

Correct Answer: A) Their gametes do not require water for fertilization to occur.

15. Stomata are microscopic openings located on the underside of the leaf. One function of stomata is to-

Correct Answer: D) Allow gases to diffuse in and out of the plant.

16. Why do plants need air (carbon dioxide) to grow?

Correct Answer: A) Plants use carbon dioxide to make food.

17. The sac inside a plant cell where food, water and waste is stored is the

Correct Answer: A) Vacoule.

18. The correct pathway of water startingfrom the site of absorption and ending in the siteof photosynthesis.

Correct Answer: C) Root hair cell $\rightarrow$ root cortex cell $\rightarrow$ xylem $\rightarrow$ mesophyll cell.

19. Which of the following should a student examine under a compound microscope to observe cell reproduction?

Correct Answer: B) Tip of a shoot.

20. Seedless nonvascular plants lack roots. This type of plant has ..... to hold them in place.

Correct Answer: D) Rhizoids.