Short answer questions VII — task. Science CBSE, Class 10.

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What is a tropic movement? Explain with an example.

a. Which of the following statements regarding trophic movement is true?

Movement of the part of a plant in response to light irrespective of the direction of stimulus
It's a directional growth movement of curvature in which the stimulus determines the movement's direction
The non-directional movements of a plant or its part in response to the stimulus
Movement or response of a part of the plant in response to touch irrespective of the direction of stimulus

b. Shoots bend towards the source of light when exposed to light in a single direction is known as _________, whereas roots may bend away from the source of light __________.

Negative phototropism, positive phototropism,
Thigmonasty and photonasty
Photonasty and seismonasty
Positive phototropism, negative phototropism

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33. Short answer questions VII

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