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प्रश्न
Define geotropism.
उत्तर
The movement of plant parts in response to gravity is known as geotropism.
संबंधित प्रश्न
Name one example of the movement of a plant part which is very quick and can be observed easily.
What is meant by nastic movements in plants? Give one example of nastic movements in plants.
Name the plant organ which is positively phototropic.
Why is the folding up of the leaves of a sensitive plant on touching with a finger not a tropism?
Name one plant part which exhibits positive thigmotropism.
The movement of a plant part in response to the force of attraction exerted by the earth is called :
(a) hydrotropism
(b) geotropism
(c) chemotropism
(d) phototropism
Response of plant roots towards water is called:
In the given figure (a), (b) and (c), which appears more accurate and why?
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| (a) | (b) | (c) |
What is a tropic movement? Explain with an example.
Name a hormone which is responsible for phototropism
