GATE XL 2026 XL-S Q75: life-sciences

Determine the correctness or otherwise of the following Assertion [a] and the Reason [r].

Assertion [a]: Silver and copper display bacteriocidal or antiseptic activity.

Reason [r]: Silver and copper effectively demonstrate oligodynamic action.

Your answerChoose one option.

Both [a] and [r] are true and [r] is the correct reason of [a].

Both [a] and [r] are true but [r] is not the correct reason of [a].

Both [a] and [r] are false.

[a] is true but [r] is false.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

EXPLORE & PRACTISE

Paper and topic context

See where this question comes from and choose what to practise next.

Explore more previous year questions using this question’s imported topic tags.

You’re not logged in. Log in or create an account to see discussions and add comments.