- The rate of transpiration will _________ if the atmospheric pressure is low
- Increase
- Decrease
- Stay unchanged
- Can’t be determined
- The main function of guard cells is to help with ____________
- Transpiration
- Guttation
- Transcription
- None of the above
- Transpiration is regulated by the movements of __________
- Parenchyma cells
- Guard cells
- Epithelial cells
- None of the above
- The steroid hormones easily pass through the plasma membrane through simple diffusion because they are _____
- Gaseous
- Carbon-based
- Water Soluble
- Lipid Soluble
- Living cells placed in an isotonic solution tend to retain their shape and size. This is based on the principle of
- Diffusion
- Transpiration
- Osmosis
- None of the above
- Girdling around the trunk of a tree can cause it to ________ if it cannot regrow to bridge the wound
- Stop absorbing water
- Stop growing
- Die
- None of the above
- Transport of food materials in higher plants occurs through
- Flowers
- Companion cells
- Tracheids
- Sieve elements
- Nearly 90% of the flowering plants have __________
- Spores
- Mycorrhizae
- Naked seeds
- None of the above
- The movement of materials from the leaves to other tissues of the plant is called _________
- Tropic movement
- Guttation
- Transpiration
- Translocation
- The exudation of xylem sap drops on the edges of leaves is called
- Transpiration
- Guttation
- Condensation
- None of the above
Answer Keys for Transport In Plants MCQ
Question Number | Answer Key |
1 | a |
2 | a |
3 | b |
4 | d |
5 | c |
6 | c |
7 | d |
8 | b |
9 | d |
10 | b |
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