What causes a green plant exposed to the...

What causes a green plant exposed to the light on only one side, to bend toward the source of light as it grows

Green plants seek light because they are phototropic

Light stimulates plant cells on the lighted side to grow faste

Auxin accumulates on the shaded side, stimulating greater cell elongation there.

Green plants need light to perform photosynthesis

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What causes a green plant to bend towards light as it grows ?

A decapitated plant exposed to unilateral light

Give reasons for the following facts: Plants bend towards the source of light.

A green plants bends towards the source of light when exposed to the light on only one side . Which of the following is the best explanation of the phenomenon ?

What is meant by coherent sources of light?

Shadows are always formed on the opposite side of the source of light.

Plants bend towards light because

Bending of stem towards light is

The chemical substance P is made and secreted by the meristematic tissue at the tip of stem (or shoot) of a plant. The chemical substance P is responsible for a phenomenon Q in plants in which the stem bends towards the source of light. The same chemical substance P has an opposite effect on the root of a plant. It causes the root of a plant to bend away from the source of light in a process called R. State whether P prefers to remain in the sunlit side of a stem or in shade.

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