NEET Chemistry: Pharmacology questions with solutions

Q1. All antihistamines inhibit the action of the compound histamine which causes inflammation in the body. This drug is classified

1. on the basis of pharmacological effect
2. on the basis of drug action
3. on the basis of chemical structure
4. on the basis of molecular targets

Answer: on the basis of pharmacological effect

Antihistamines are grouped by the effect they produce in the body—reducing histamine-mediated inflammation. That makes this a classification based on pharmacological effect, not chemical structure or molecular target.