Question

Define positive geotropism and negative geotropism and give an example to each Shotley for class 10th

Answer 1

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$\large\color{blue}\textit{Positive\: geotropism:--}$ When a part of a plant shows growth movement in the direction on gravity, then this condition is called Positive GeotropisM.
Eg---
Growth of Roots.

$\large\color{green}\textit{Negative\:GeotropisM:--}$ When a part of plant shows growth movement opposite to that of the direction of Gravity, then this condition is called Negative GeotropisM.