Cuticular transpiration is _________ of total transpiration?
Correct answer: B. 5-7%
- A. 6-8%
- B. 5-7%
- C. 7-9%
- D. 4-6%
Explanation
Cuticular transpiration is commonly estimated at about 5% to 7% of total transpiration, giving option b. Students may choose 1% to 2% by confusing it with lenticular transpiration, which is a much smaller pathway.
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About Biological Importance of Water
Water supports life through its polarity, hydrogen bonding and ability to dissolve ionic and polar substances. Its high specific heat, heat of vaporization, cohesion, adhesion and incompressibility help regulate temperature, transport materials and maintain structure, while hydrolysis and osmosis depend directly on water.
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