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Science Assertion - Reasoning (1 Marks)

MODEL PAPER - 8 [2026] · CBSE STD 10 (CBSE - English Medium). 2 questions.

Questions

Assertion - Reasoning (1 Marks)

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2 questions · timed · auto-graded

Question 11 Mark
Assertion (A): Biotic components of ecosystem continuously require energy to carry on life processes.
Reason (R): Abiotic components are the non-living factors of the ecosystem.
Answer
(B) Both A and R are true but R is not the correct explanation of A .
Explanation :
Both A and R are true but R is not the correct explanation of A .
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Question 21 Mark
Assertion (A) : Fusion of gametes gives rise to a single cell called zygote.
Reason (R) : Zygote is a fertilised ovum.
Answer
(B) Both A and R are true but R is not the correct explanation of A .
Explanation :
The fusion of a sperm with an ovum to form a zygote during sexual reproduction is called fertilisation. The zygote is fertilised ovum or fertilised egg. The zygote grows and develops to form a new baby.
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Assertion - Reasoning (1 Marks) - Science STD 10 Questions - Vidyadip