science
Grade-4-
Easy
Question
Negative tropism means:
- Plants growing towards a stimulus
- Plants growing away from the stimulus.
- Plants not responding to stimulus.
- Plant changing its pattern of growth.
Hint:
Tropism is either towards or away from the stimulus.
The correct answer is: Plants growing away from the stimulus.
The correct option is b) Plants growing away from the stimulus.
The turning of a plant or a part of it in response to a stimulus such as light, water, gravity etc. is called tropism. Tropism are of two type: negative and positive.
Negative tropism is when plants or a part of the plants moves away from the stimulus. The stem moves in the opposite direction to gravity which shows negative geotropism.
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