Question

A) Name the phenomena which helps fresh water unicellular organisms (e.g. amoeba) continuously gain water in their bodies. Also name the mechanism by which these organism throw out excess of water from their bodies.
B) Give at least two examples in plants where similar phenomenon is used to gain water.

Answer 1

Answer:

A) The phenomenon that helps fresh water unicellular organism such as amoeba to continuously gain water in their bodies is due to osmosis.

B) Hydrophytes gain water by osmoregulation. This gain of water helps the hydrophytes to float in water. Example: Water Lily, Lotus etc. Aakash EduTech Pvt.