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If a root grows towards water and away from light at the same time, which conclusion is correct?

Answer and explanation

Correct answer: A root can show hydrotropism and negative phototropism simultaneously

Plant organs can respond to more than one environmental stimulus. Growth towards water is called hydrotropism, while growth away from light is negative phototropism. These responses may occur together because the root is integrating directional information from water and light rather than responding to only one stimulus. Therefore option A is correct; the other choices incorrectly apply animal nervous functions or restrict the root to sound alone.

Related tags

HydrotropismNegative PhototropismRoot ResponseControl And CoordinationWorld Of LivingScienceClass 10 Mcq

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