Lenticular transpiration is ___________ of total transpiration?
Correct answer: D. 1-2%
- A. 2-3%
- B. 1-3%
- C. 1-4%
- D. 1-2%
Explanation
Lenticular transpiration through bark lenticels is usually about 1% to 2% of total transpiration, so option d gives the standard approximate range. Students may choose 2% to 3% because lenticels are visible openings, but most water loss occurs through stomata rather than lenticels.
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