Photosynthesis is a chemical change. Justify your answer.

Why photosynthesis is a chemical reaction?

Biocontrol is the best alternative for chemical control. Justify your answer.

Can you say that salt is a liquid on the basis of change in its shape? Justify your answer. Take a sponge. Observe its shape.

Antigen - antibody reaction is a specific reaction. Justify your answer.

Do you think shape of chloroplast is unique for algae. Justify your answer.

Plasmodium vivax is a digenetic parasite. Justify your answer.

STD is not panic. Prevention is in your hands. Justify your answer.