Question

What are the differences between positive and negative geotropism

Answer 1

geotrophism means response to gravity.

positive geotrophism : roots grow with the gravity so it is called as negative geotrophism.

negative geotrophism : stem grow against the gravity so it is called as negative geotrophism.

Answer 2

Geotropism means movement towards the gravity or response to gravity.
+ve Geotropism :- when plant part moves towards the gravity.
Eg.roots of plant
-ve Geotropism :- when plant part moves against gravity.
Eg.leaves of plant
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