Which of the following statements is not true ? (3) Ampicillin is a natural antibiotic.

Question : Which of the following statements is not true ?

(1) Some disinfectants can be used as antiseptics at low concentration.

(2) Sulphadiazine is a synthetic antibacterial.

(3) Ampicillin is a natural antibiotic.

(4) Aspirin is both analgesic and antipyretic.

Answer : In all above options the correct answer is (3) Ampicillin is a natural antibiotic.

explanation of answer : Ampicillin is a semi-synthetic antibiotic. it means Ampicillin is not a natural antibiotic that is why we have given this answer. so if this question asked in another method like Among the following statements, which one is not correct ? than our answer (3) Ampicillin is a natural antibiotic. will be same because this statement is incorrect. Ampicillin is a substance which is used to treat some type of infections which are caused by bacteria for example meningitis. Ampicillin is a beta lactum antibiotic that semi-synthetic antibiotic not natural.