Fill in the following blanks:
(a) A plant's response to light is called _____.
(b) A plant's response to gravity is called _____.
(c) Plant shoot grows upward in response to _____.
(d) Plant roots grows downward in response to _____.
(e) Tendrils wind around a support in response to ______.
(f) Plant roots grow towards ____ and  in the direction of force of ______.
(g) A root of a plant grows downward. This is known as _____.
(h) ______ is the hormone that causes phototropism in plants.
(i) The response of leaves to the sunlight is called ______.

(a) A plant's response to light is called phototropism.

(b) A plant's response to gravity is called geotropism.

(c) Plant shoot grows upward in response to light.

(d) Plant roots grow downward in response to gravity.

(e) Tendrils wind around support in response to touch.

(f) Plant roots grow downwards and in the direction of the force of gravity.

(g) A root of a plant grows downward. This is known as geotropism.

(h) Auxin is the hormone that causes phototropism in plants.

(i) The response of leaves to the sunlight is called phototropism.

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Updated on: 23-Mar-2023

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