Question

Assertion (A): Antibiotics inhibit the growth of disease-causing bacteria.

Reason (R): Antibiotics are obtained from different moulds.

• A. Both A and R are true and R is the correct explanation for A.
• B. Both A and R are true, but R is not the correct explanation for A.
• C. A is true and R is false.
• D. A is false and R is true.

Answer 1

The correct option is B

Both A and R are true, but R is not the correct explanation for A.

Option B:

Assertion Statement:

1. The chemical which can kill as well as inhibit the growth of disease-causing bacteria is known as antibiotics.
2. Antibiotics interfere with the cell wall of the bacteria and inhibits its growth.

Reason Statement:

1. Antibiotics are obtained from a different mold.
2. Example: Penicillin is obtained from a mold called Penicillium notatum and another mold called Penicillium chrysogenum.
3. There are some antibiotics obtained from certain bacteria.
4. Example of antibiotics obtained from bacteria: Neomycin is obtained from the bacteria Streptomyces fradiae.

Both Assertion and Reason are true, but Reason is not the correct explanation for Assertion.