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Question

Etiolation in plants is caused when they

A
are grown in dark
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B
have mineral deficiency
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C
are grown in intense light
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D
are grown in blue light
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Solution

The correct option is A are grown in dark
The state of etiolation is generally defined by the presence of non-green plastids (etioplasts) in plant tissues which would normally contain chloroplasts. Etiolation is a process which is characterized by long, weak stems, smaller leaves due to longer internodes and a pale yellow color. It is caused when the plants are grown in dark without or little light.

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