A. Reserve food for the body B. Immediate source of energy C. Nitrogenous food D. Control material of metabolism

A. Nicotine B. Piperine C. Cocaine D. All of these

A. DDT B. Benzene hexachloride C. Hexachlorobenzene D. Chloral

A. Cold B. Influenza C. Small pox D. Yellow fever

A. Anaesthetic B. Analgesic C. Antiseptic D. Antibiotic

A. Amoebic dysentery B. Gonorrhoea C. Cholera D. Mumps

A. Diffusion B. Protection C. Peptization D. Emulsification