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Standard XII
Biology
Question

What is the role of light in plants?
  1. It is necessary for photosynthesis.
  2. It controls the distribution of hormones.
  3. All of the above.
  4. It controls growth and movement.

A
It controls the distribution of hormones.
B
It is necessary for photosynthesis.
C
It controls growth and movement.
D
All of the above.
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Solution
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Light plays a very prominent role in the life of plants. It is important for the process of photosynthesis needs to produce carbohydrates, this carbohydrate used in respiration to several functions of plant-like growth, movement and it also controls the distribution of various plant hormones.

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