HORTICULTURE SCIENCE
CROP PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Plants grown in low light or darkness develop a severe case of stretching known as:
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Tropism
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Etiolation
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Geo
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None of the above
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Explanation:
Detailed explanation-1: -Chlorophylls are formed on exposure to light. The seedling grown in dark are tall, thin and pale in colour due to lack of chlorophyll. Such seedlings are called as etiolated seedlings.
Detailed explanation-2: -Etiolation involves prolonged growth in the absence of light that results in the development of etioplasts in tissue that would have chloroplasts if subjected to light.
Detailed explanation-3: -: to bleach and alter the natural development of (a green plant) by excluding sunlight. : to make pale. : to deprive of natural vigor : make feeble. etiolation. ˌē-tē-ə-ˈlā-shən.
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