Question

Write one example each of the following tropic movements :

(i) Positive phototropism (ii) Negative phototropism

(iii) Positive geotropism (iv) Negative geotropism

(v) Hydrotropism (vi) Chemotropism​

Answer 1

ANSWER :

▶️(i) Positive phototropism: shoots growing towards light.

▶️(ii)Negative phototropism: roots growing away from light towards ground.

▶️(iii) Positive geotropism: growth of roots towards earth due to the pull of the earth.

▶️(iv)Negative geotropism: shoots growing away from the earth.

▶️(v) Hydrotropism: roots growing towards the source of water.

▶️(vi)Chemotropism: growth of pollen tubes towards the ovules.

Answer 2

ANSWER ☺️

1). Sunflower

2). Plant roots.

3).Pneumatophores

4).Roots towards ground under gravity.

5). Organisms tends to grow towards hydrostatic places

6). In gynoecium of plant

HOPE it helps ✔️