MCQ
Industrial melanism is an example of
- ADefensive adaptation of skin against ultraviolet radiations
- BDrug resistance
- CDarkening of skin due to smoke from industries
- ✓Protective resemblance with the surrounding
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Assertion $(A):$
Polymerase chain reaction is used in DNA amplification
Reason $(R):$
The ampicillin resistant gene is used as a selectable marker to check transformation
In the light of the above statements, choose the correct answer from the options given below :