Write one example each of the following tropic movements?
i) Positive phototropism
ii) Negative phototropism
iii) Positive geotropism
iv) Negative geotropism
v) Hydrotrpopism
vi) Chemotropism

Explanation

i) Possitive phototropism: Roots growing towards light
ii) Negative phototropisem : Roots growing away from light towards ground.
iii) Positive geotropism: Growth ofroots towards earth due to the pull of the earth.
iv) Negative geotropism: Shoots growing away from the earth.
v) Hydrotropism: Root growing towards the source of water.
vi) Chemotropism: Growth of pollen tubes towads the oyules.