Match List I with List II :

List I (Drug)	List II (Effect)
A. Nicotine	I. Causes sense of euphoria and increased energy
B. Morphine	II. Stimulates adrenal gland to release catecholamines into blood circulation
C. Heroin	III. Effective sedative and painkiller
D. Cocaine	IV. A depressant; slows down body function

Choose the correct answer from the options given below :

Nicotine stimulates the adrenal gland to release adrenaline and nor-adrenaline (catecholamines) into the blood circulation, which raises blood pressure and increases heart rate. Thus, A matches II.

Morphine is a very effective sedative and painkiller, often used for patients who have undergone surgery. Thus, B matches III.

Heroin is a depressant and slows down body functions. Thus, C matches IV.

Cocaine has a potent stimulating action on the central nervous system, producing a sense of euphoria and increased energy. Thus, D matches I.

The correct matching is A-II, B-III, C-IV, D-I.

Answer: A-II, B-III, C-IV, D-I