✓ Board-verified
Science · 2026 · 1 mark
CBSE 2026 · Region 3 · Set 1 · Q8
Assertion (A): Natural replenishment of soil will not take place in absence of microbes. Reason (R): Microbes, comprising of bacteria and fungi,…
Assertion (A) : Natural replenishment of soil will not take place in absence of microbes.
Reason (R) : Microbes, comprising of bacteria and fungi, break down dead remains and waste products of organisms, and they go into the soil.
Official answer
(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
CBSE Class 10 Science past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.