Question

Define positive geotropism and negative geotropism . Give one example of each

Answer 1

when the stimulus of the plant is towards gravity is called geotropism
root show positive geotropism
stem shows negative geotropism
hope it helps

Answer 2

the positive geotropism is the growth towards the earths surface/gravity.
for example----- roots of plants.
the negative geotropism is the growth away from the earths surface /gravity.
for example------- shoots or stem of the plants