Question

Differentiate between the Following:

Hydrotropism and Geotropism

Answer 1

Sr. No.	Hydrotropism	Geotropism
1.	Hydrotropism is the growth movement of a plant part in response to water or moisture.	Geotropism is the growth movement of a plant part in response to gravity.
2.	Roots generally show positive hydrotropism by growing towards water.	Roots show positive geotropism, while shoots show negative geotropism.
3.	The stimulus is water.	The stimulus is gravity.
4.	Example: Roots growing towards a source of water in the soil.	Example: Roots growing downward and shoots growing upward.