Question

define positive geotropism and negative geotropism give one example of each.

Answer 1

The movement of plant parts towards gravity is called positive geotropism and the movement of plant parts away from gravity is called negative geotropism. Its example is move of roots is positive geotropism and movement of shoot is negative geotropism.

Answer 2

THE MOVEMENT OF PLANTS PART TOWARDS EARTH IS KNOWN AS POSITIVE GEOTROPISM .
E.G - GROWTH OF ROOTS TOWARDS EARTH .

THE MOVEMENT OF PLANT PARTS AWAY FROM THE EARTH IS TERMED AS  NEGATIVE GEOTROPISM .

E.G - GROWTH OF SHOOTS AWAY FROM THE EARTH .