Multiple choice

A green plant will turn yellow if placed in the dark. This is called

  1. necrosis

  2. chlorosis

  3. phototropism

  4. vernalization
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

When plants are deprived of light, they cannot produce chlorophyll, which gives them their green color. This yellowing condition due to chlorophyll deficiency is called chlorosis. Necrosis refers to tissue death, phototropism is growth toward light, and vernalization is cold treatment.

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