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Question

Wilting of a plant results from excessive:

A
Respiration
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B
Photosynthesis
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C
Absorption
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D
Transpiration
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Solution

The correct option is D Transpiration

  • Wilting mainly occurs when the amount of water loss is more than the water absorbed from the soil.
  • Plants are constantly losing water through small openings in their leaves called stomata in a process known as transpiration. Transpiration is vital for photosynthesis and helps transport nutrients from the roots to the rest of the plant.
  • The rate of transpiration depends on a number of factors, like carbon dioxide concentration, temperature, light, humidity etc.
  • Hot and dry weather increases the rate of transpiration, resulting in a loss of more water than the plant can absorb, throwing off the water balance within the plant.

Hence, the correct option is D.

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