Question

In a mixed culture of slow and fast growing bacteria, penicillin will

(A) **** the fast growing bacteria more than the slow growing

(B) **** slow growing bacteria more than the fast growing

(C) **** both the fast and slow growing bacteria equally

(D) will not **** bacteria at all

Answer 1

Correct option (A) ** the fast growing bacteria more than the slow growing**

Explanation:

Penicillin inhibit the cell wall formation in bacteria thus it **** rapidly growing bacteria more than the slow growing bacteria.