Plant Biology Quiz 55 (20 MCQs)

Quiz Instructions

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1. What could be used in a technique for measuring flow rates in phloem? I. PotometersII. Aphid styletsIII. 14CO2

Correct Answer: D) II and III only.

2. Pressure inside a cell that pushes the cell membrane outward into the cell wall. This occurs when more water enters into the cell.

Correct Answer: A) Turgor.

3. The stem transports ..... from the leaf to the rest of the plant.

Correct Answer: D) Food.

4. For dispersal of their seeds, gymnosperms mostly rely on .....

Correct Answer: C) Wind.

5. Which is most likely to happen when stomates are open?

Correct Answer: D) Water is released.

6. This plant part anchors the plant and absorbs water and nutrients needed to grow.

Correct Answer: C) Roots.

7. The male flower parts surround the pistil and are called

Correct Answer: D) Stamens.

8. Xylem transports

Correct Answer: A) Water upward.

9. A specialised membrane that surrounds the permanent vacuole in the plant cells and controls movements of substances into and out of the cell sap.

Correct Answer: B) Tonoplast.

10. The plant which traps and feeds on insects is ( )

Correct Answer: C) Pitcher Plant.

11. Examples of these plants include mosses, liverworts, and other plants with no xylem or phloem

Correct Answer: D) Nonvascular plant.

12. Most sugars manufactured by a plant are converted ..... to before they enter the phloem.

Correct Answer: D) Sucrose.

13. ..... are actively dividing areas at root tips & buds of shoots.

Correct Answer: B) Apical meristem.

14. Through which plant structure does water move by capillary action?

Correct Answer: C) Xylem.

15. ..... opens and closes the stomata in leaves.

Correct Answer: A) Guard cells.

16. Many different organisms are able to carry out photosynthesis. what happens during photosynthesis?

Correct Answer: C) Autotrophs produce carbohydrates.

17. In this method two different varieties of plants are joined and tied with a wet cloth.

Correct Answer: C) Grafting.

18. The sporophyte is

Correct Answer: B) Diploid.

19. A pollen grain landing on a stigma of a flower of the same species produces a

Correct Answer: C) Pollen tube.

20. Which of the following are characteristics of plants?

Correct Answer: D) All of the above.