Plant Biology Quiz 5 (20 MCQs)

Quiz Instructions

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1. Transpiration involves the evaporation and diffusion of water vapour.What happens to the water vapour during transpiration?

Correct Answer: A) Evaporation from mesophyll cells followed by diffusion through stomata.

2. I am a flower that produces nectar. What is the function of the nectar?

Correct Answer: B) To attract pollinators.

3. Monocots have one and dicots have two leaf-like structures that surround the embryo. What are these called? *

Correct Answer: C) Cotyledon.

4. Which part takes water to all of the parts of the plant?

Correct Answer: C) Stem.

5. The process that a plant undergoes to make its own food is called .....

Correct Answer: C) Photosynthesis.

6. Why are epidermal cells transparent?

Correct Answer: A) To allow light to pass through to inner cells.

7. Which of the following actively divides and produces alternating layers of xylem and phloem?

Correct Answer: C) Vascular cambium.

8. Organisms that produce their own food are called .....

Correct Answer: C) Autotrophs.

9. Which epidermal feature of a leaf has the greatest impact on conserving water?

Correct Answer: B) Cuticle.

10. Where do non-flowering plants come from?

Correct Answer: B) Spores.

11. The leaves on a fern and are vascular so they can grow to be quite large in some species *

Correct Answer: A) Fronds.

12. What is the cycle that includes a spore-forming stage and a gamete-forming stage called? *

Correct Answer: B) Alternation of generations.

13. Plant transports food made in the leaves to .....

Correct Answer: D) All of the above.

14. If a plants xylem were destroyed it would hinder its ability to .....

Correct Answer: D) Conduct water to the leaves.

15. Which of the following is NOT an example of a heterotroph?

Correct Answer: A) Grass.

16. Female cone produce .....

Correct Answer: D) Eggs.

17. The tip of the style that has sticky hairs to trap pollen is the .....

Correct Answer: B) Stigma.

18. Which of the following is NOT a group of gymnosperms?

Correct Answer: B) Horestails.

19. Angiosperms produce seeds inside protective structures called

Correct Answer: C) Ovaries.

20. What does the stem of the plant do?

Correct Answer: C) It delivers water to the other parts of the plant.