what precaution to be taken if aim is to understand the positive phototropism shown by the growing roots
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roots always shows negative phototropism
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Always take well seeds
Provide specific condition for seed growth
Put the grown plant near sunlight to get light for photosynthesis
b2kryadavptkt:
You can clearly see that it's leaves and stems grow in the direction of the light upward
in place of positive there would be negative as root always shows negative phototropism then only the condition given by you will be correct
Mam negative means root path but there is photo means light and it is positive. geotropism is negative for root
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