Question

First antibiotic is -

• A. Fungus
• B. Bacteria
• C. Virus
• D. Protozoa

Hint:

Penicillin was discovered by Alexander Fleming in 1928 from the fungus Penicillium. This is one of the most frequently asked facts in Biology.

Answer 1

The Correct Option is A

Concept: The first antibiotic discovered was Penicillin. It was discovered accidentally by Alexander Fleming in 1928 while studying bacterial cultures. Penicillin was obtained from a fungus belonging to the genus Penicillium.

Step 1: Recall the discovery. Alexander Fleming observed that bacterial growth was inhibited around colonies of the fungus Penicillium notatum. The substance responsible for this inhibition was named Penicillin.

Step 2: Identify the source organism. Penicillin is produced by a fungus. Therefore, the first antibiotic was obtained from a fungal source.

Step 3: Select the correct option. Among the given choices, fungus is correct. \[ \boxed{\text{Fungus}} \] Hence, the correct answer is \[ \boxed{(A)\ \text{Fungus}} \]