CBSE 2025 · Region 6 · Set 1 · Q16 · 1 mark
Assertion (A) : In humans, filariasis is characteried by inflammation in the lower limbs.
Reason (R) : Filarial worm usually lives in the lymphatic vessels of the lower limbs.
Official answer
From CBSE’s own marking scheme for this paper.
(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
Human Health and DiseaseCommon Diseases in HumansUnderstandassertion_reasoneasy
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CBSE Class 12 Biology past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.