Which is one benefit and one drawback of transpiration?
Answer and explanation
Correct answer: It helps pull water upward but can also cause excess water loss
Transpiration is the loss of water vapour from the aerial parts of a plant, mainly through stomata. Evaporation creates transpiration pull, which helps lift water and dissolved minerals through the xylem. However, rapid or excessive transpiration may remove more water than the plant can absorb, causing wilting. Thus option A correctly gives both a benefit and a drawback; the other options mix unrelated digestive, urinary, or respiratory functions.
Frequently asked questions
What is the correct answer to this question?
It helps pull water upward but can also cause excess water loss
Why is this the correct answer?
Transpiration is the loss of water vapour from the aerial parts of a plant, mainly through stomata. Evaporation creates transpiration pull, which helps lift water and dissolved minerals through the xylem. However, rapid or excessive transpiration may remove more water than the plant can absorb, causing wilting. Thus option A correctly gives both a benefit and a drawback; the other options mix unrelated digestive, urinary, or respiratory functions.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Life Processes.
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