Question

What is the stimulus in:

a.phototropism

b.geotropism

c.chemotropism

d.hydrotropism

e.thigmotropism 2. distinguish between tropic and nastic movements of plants 3. give one example of the movement of a plant part which is caused by the loss of water 4. which plan?

Answer 1

In phototropism stimulus is Light

Answer 2

Phototropism - : light

Geotropism. - : Gravity

Chemotropism. - : Chemical

Hydrotropism. - : Water

Thigmotropism. - : Touch