Consider the following stages of insulin production procedure through gene technology : 1. Isolation of insulin coding gene from humans 2. Inserting the insulin coding gene into a plasmid vector 3. Inserting the recombinant plasmid vector into the bacterium (E. coli) Which… | UPSC CAPF 2026 Q No 94

Accepted Answer: (A) 1-2-3

Topic Covered: Biology and Environmental Science

Key Concept: Ecology, genetics, biotechnology and life processes

The correct choice follows from the standard scientific definition or process involved. “1-2-3” matches the relevant biological, ecological, chemical or energy concept, while the alternatives conflict with the core principle.

The key is to apply the central fact, formula, definition or relationship tested in the question and then eliminate alternatives that do not satisfy it.