Paper 1 · People, Development and Environment
UGC NET December 2021 June 2022 (11.07.2022) Shift-I
Given below are two statements, one labelled Assertion (A) and the other Reason (R). Choose the correct answer.
Assertion (A): In vitro testing forms the basis for hazard identification.
Reason (R): In vitro studies are performed within the same biological entities.
ABoth (A) and (R) are true and (R) is the correct explanation of (A)
BBoth (A) and (R) are true but (R) is NOT the correct explanation of (A)
C(A) is true but (R) is false ✓ Correct
D(A) is false but (R) is true
Correct answer: (C) (A) is true but (R) is false — The assertion is true but the reason is false, so option C is correct.
Explanation
★The assertion is true but the reason is false, so option C is correct.
★The Latin in vitro means in glass, that is, in a test tube or dish.
★In vitro studies use cells, tissues, or molecules outside the living organism.
★Such controlled tests help screen chemicals and identify potential hazards early.
★So the assertion that in vitro testing supports hazard identification is correct.
★In vitro is the opposite of in vivo, which means within a living organism.
★Because in vitro work is done outside the living body, the reason is false.
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