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Change in the growth pattern of plant in response to a stimulus is known as tropism.

One such example of a plant that responds to a stimulus is Mimosa pudica.

Both a and b

None of the above

answer is C.

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Detailed Solution

Plants do not move from their place but change their growth patterns. That is why plants of the same species have different body forms. This change in the growth pattern in response to a stimulus is known as tropism. Unlike animals, the response of a plant is regulated by the interaction of two or more plant hormones. It takes a considerably longer time to observe the stimulus.

The plants use electrical-chemical means to convey the information, but they have no specific tissues. Plants change their shapes by changing the amount of water in their cells, resulting in shrinking and swelling. One such example of a plant that responds to a stimulus is Mimosa pudica. This response is growth independent.

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