The conclusion drawn from the experiment in the diagram above is that

Biology

WAEC 2018

A. shoots of plants are negatively thigmotropic
B. shoots of plants are negatively geotropic
C. shoots of plants are positively phototropic
D. roots of plants are positively hydrotropic

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Correct Answer: Option D

Explanation

The roots of the plants in diagram 1 bend towards the porous clay pot while growing and the well watered soil sees the plants growing straight and erect. The roots of the plants are positively hydrotropic (respond towards the pull of water positively).

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