Why distilled water does not conduct electricity, whereas rain water does?

Differentiate between washing soda and baking soda.

Write short notes on any two or the following: iii) Bio-diversity

Write short notes on any two or the following: ii) National garden

Write short notes on any two or the following: i) Greenhouse gases

Write an essay on evolution of man.

Comment upon DNA fingerprinting.

Write an essay on genetic code.

Comment upon any two of the following: iii) Antibody.

Comment upon any two of the following: ii) Bt crops

Comment upon any two of the following: i) Transgenic animals

. Write notes on any two of the following iii) Plasmid.