Cuticular transpiration is _____________ of total transpiration?
Correct answer: C. 5-7%
- A. 1-2%
- B. 3-4%
- C. 5-7%
- D. 90%
Explanation
Cuticular transpiration is a small fraction of total transpiration, commonly given in this syllabus as about 5% to 7%, so 5% to 7% is the best option. The 90% figure usually refers approximately to stomatal transpiration, causing students to choose d.
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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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