List any three important characteristics of population and explain them.

(a) Define and give one example of each-Competition, Parasitism. (b) List any three important characteristics of population.

Give important characteristics of gas.

List any three manures.

Give important characteristics of solid state.

Explain any three characteristics of population.

Give important characteristics of a mixture.

Name the most important characteristics of plants and animals.

Write an important characteristic of lyophilic sols.