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Class 10 Science Medium Mcq English Medium

A plant grown with its roots exposed to a moist cotton wad on one side and dry soil on the other tends to grow roots towards the moist side. This response is best explained by:

Question
A plant grown with its roots exposed to a moist cotton wad on one side and dry soil on the other tends to grow roots towards the moist side. This response is best explained by:
Geotropism
Hydrotropism
Phototropism
Chemotropism
Answer
Hydrotropism
Detailed Explanation
Growth of roots towards a source of water/moisture is an example of hydrotropism, the directional growth response to water.
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