Which of the following is not an antibiotic?

• (A) Morphine
• (B) Penicillin
• (C) Streptomycin
• (D) Chloramphenicol

To determine which option is not an antibiotic, let's look at each choice:

Options Breakdown

• Morphine: This is a pain-relieving medication and is classified as an opioid, not an antibiotic.
• Penicillin: A well-known antibiotic used to treat bacterial infections.
• Streptomycin: Another antibiotic, effective against certain bacterial infections.
• Chloramphenicol: This is also an antibiotic, used for various infections.

Final Answer

The correct answer is (A) Morphine, as it does not have antibiotic properties.