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Question

The plants growing in dark show yellowing of leaves and elongated internodes, this condition is called as

A
Etiolation
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B
Chlorosis
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C
Necrosis
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D
Wilting
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Solution

The correct option is A Etiolation
Etiolation is a process in which stems of the plants grown in dark elongate much more rapidly than normal causing the plant to grow whiten or grow pale. Chlorosis is the loss of green colour of plants due to iron deficiency or lack of light.
Necrosis is the premature death of a living tissue.
Wilting is the loss of rigidity in plants due to heat or loss of water.
Thus, the correct answer is option (A).

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