Give expamples of geotropism.

(a) Define geotropism. Give one example of geotropism. (b) What is meant by 'positive geotropism' and negative geotropism? Give one example of each type. Draw a labelled diagram to illustrate your answer indicating the plant part which shows positive geotropism and the plant part which shown negative geotropism. (c) Name one plant part which exhibits positive thigmotropism.

Geotropism is

Example of positive geotropism is

Given one expample of disprop[ortionation reaction 2H_(3)overset(+1)PO_(2)overset(heat)rarroverset(-3)PH_(3)+H_(3)overset(+5)PO_(4)

Give one example of dot product of vectors. Also give its unit.

Give one example of dot product of vectors. Also give its unit

Exampe of positive geotropism is