Assertion & Reason

MCQ 11 Mark

Consider the statement given below and choose the correct option.
Assertion: The Earth’s magnetic field is due to iron present in its core.
Reason: At a high temperature a magnet loses its magnetic property or magnetism.

A
Both assertion and reason are true and reason is the correct explanation of assertion.
B
Both assertion and reason are true, but reason is not the correct explanation of assertion.
C
Assertion is true, but reason is false.
D
Assertion is false, but reason is true.

Answer

Assertion is false, but reason is true.
Correct statement:
The Earth’s magnetic field is due to the molten charged metallic fluid inside the Earth’s surface.

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MCQ 21 Mark

Consider the statement given below and choose the correct option.
Assertion: Iron filings are concentrated more at the magnetic poles.
Reason: The magnets are so sharp.

A
Both assertion and reason are true and reason is the correct explanation of assertion.
✓
Both assertion and reason are true, but the reason is not the correct explanation of assertion.
C
Assertion is true, but reason is false.
D
Assertion is false, but reason is true.

Answer

Correct option: B.

Both assertion and reason are true, but the reason is not the correct explanation of assertion.

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Science Assertion & Reason

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