List the functions of secondary metabolites for mankind?

How do secondary metabolites useful for mankind?

Explain secondary metabolites.

Write a short note on secondary metabolites.

Enlist the economic importance of secondary metabolites.

List the types of extinction.

List the limitation of analysis.

Is rubber a primary metabolite or a secondary metabolite? Write four sentences about rubber.

Write a note on Secondary Rainbow OR Explain the formation of a secondary rainbow. For which angular range with the horizontal is it visible.

List the effects of radiations.

List the hormones of pituitary.