CBSE 2025 · Region 2 · Set 1 · Q18 · 1 mark
Assertion (A) : A mango seed will germinate to form a mango tree.
Reason (R): Heredity determines the process by which traits and characteristics are reliably inherited from parents to offspring.
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 Assertion (A).
HeredityMendel's Experiments and Rules for InheritanceUnderstandassertion_reasonmedium
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CBSE Class 10 Science past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.