science
Grade-4-
Easy
Question
The stem of plant shows:
- Positive geotropism
- Negative phototropism
- Negative geotropism
- None of the above
Hint:
It grows against gravity.
The correct answer is: Negative geotropism
The correct option is c) Negative geotropism.
The stem of a plant shows negative geotropism. Geotropism is the response of a plant towards gravity. Negative geotropism is when the plant or the part of it grows away or in the opposite direction to the gravitational pull. The roots show positive geotropism.
Phototropism is the response of plant towards or away from light.
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