Most Biologists Consider Loss of Water from Plant Tissues to Be

question 23

Multiple Choice

Most biologists consider loss of water from plant tissues to be a negative thing;and in fact,many plants have features that reduce water loss.Yet,plants still transpire.Which of the following is the least likely explanation for the fact that plants continue to transpire?

• A)Transpiration drives water flow through the plant,which is necessary for uptake and distribution of essential nutrients.
• B)Transpiration must be occurring for photosynthesis to take place.
• C)It is difficult to produce a means of gas exchange that doesn't also allow water loss.
• D)Evaporative cooling during transpiration may help prevent leaves from overheating.

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