Biology Pak 11 Self-check Quiz 2 (Ch 25-26) Plants
7 Questions
| Total Attempts: 104
This is a short quiz over PAK 11 Powerpoint 2 (Ch 25-26) Plants.
Questions and Answers
- 1.The phloem in a plant
- A.
transports sugars.
- B.
transports water and minerals.
- C.
exchanges carbon dioxide and oxygen with the atmosphere.
- D.
None of the above
- 2.The guard cells that surround a stoma
- A.
Have no walls.
- B.
Swell with water, causing the stoma to open.
- C.
Shrivel up when opening the stoma.
- D.
Are responsible for translocation.
- 3.Meristems are found
- A.
Only at the tips of roots
- B.
At the tips of roots and shoots
- C.
only at the tips of shoots
- D.
None of the above
- 4.All of the following generally cause tropisms in plants except
- A.
Touch
- B.
Light
- C.
Gravity
- D.
Heat
- 5.The roots of vascular plants contain
- A.
Ground tissue
- B.
Dermal tissue
- C.
Vascular tissue
- D.
All three of these tissues
- 6.The loss of water by the leaves and stem of a plant is called
- A.
Translation
- B.
Active transport
- C.
Transpiration
- D.
Translocation
- 7.In the 1920's, Fritz Went discovered a plant hormone called auxin that caused oat seedling stems to bend towards the light. The hormone caused the stems to bend by
- A.
Causing cells to elongate.
- B.
Causing cells to reproduce at a greater rate
- C.
Exerting a cohesive force on the stem
- D.
Geotropism
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