Assertion (A) & Reason (B) MCQ

MCQ 11 Mark

DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion $A"$ and the other labelled as "Reason $R"$. You are to examine these two statements carefully and decide if the Assertion $A$ and Reason $R$ are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.
Assertion A: Rain coats are made up of plastic like material.
Reason R: Plastic is waterproof.

✓
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
B
Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$
C
$A$ is true but $R$ is false
D
$A$ is false but $R$ is true

Answer

Correct option: A.

Both $A$ and $R$ are true and $R$ is the correct explanation of $A$

Rain coats are made up of plastic like material because plastic is waterproof.

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MCQ 21 Mark

DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion $A"$ and the other labelled as "Reason $R"$. You are to examine these two statements carefully and decide if the Assertion $A$ and Reason $R$ are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.
Assertion A: Some plastics are transparent in nature.
Reason R: We can see clearly through some plastic containers.

✓
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
B
Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$
C
$A$ is true but $R$ is false
D
$A$ is false but $R$ is true

Answer

Correct option: A.

Both $A$ and $R$ are true and $R$ is the correct explanation of $A$

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MCQ 31 Mark

DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion $A"$ and the other labelled as "Reason $R"$. You are to examine these two statements carefully and decide if the Assertion $A$ and Reason $R$ are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.
Assertion A: Shopkeepers usually keep biscuits, sweets etc in transparent containers of glass or plastic.
Reason R: Buyers could see through the transparent materials.

✓
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
B
Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$
C
$A$ is true but $R$ is false
D
$A$ is false but $R$ is true

Answer

Correct option: A.

Both $A$ and $R$ are true and $R$ is the correct explanation of $A$

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MCQ 41 Mark

DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion $A"$ and the other labelled as "Reason $R"$. You are to examine these two statements carefully and decide if the Assertion $A$ and Reason $R$ are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.
Assertion A: Wood, plastic and paper are poor conductor of heat.
Reason R: Poor conductors are also called insulators.

✓
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
B
Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$
C
$A$ is true but $R$ is false
D
$A$ is false but $R$ is true

Answer

Correct option: A.

Both $A$ and $R$ are true and $R$ is the correct explanation of $A$

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MCQ 51 Mark

DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion $A"$ and the other labelled as "Reason $R "$. You are to examine these two statements carefully and decide if the Assertion $A$ and Reason $R$ are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.
Assertion A: Wood is a good conductor of heat.
Reason R: Substances which do not allow heat to pass through them are called poor conductors of heat.

A
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
B
Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$
C
$A$ is true but $R$ is false
✓
$A$ is false but $R$ is true

Answer

Correct option: D.

$A$ is false but $R$ is true

Wood is a poor conductor of heat.

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MCQ 61 Mark

DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion $A"$ and the other labelled as "Reason $R$". You are to examine these two statements carefully and decide if the Assertion A and Reason $R$ are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.
Assertion A: It would not be wise to use plastic materials for cooking vessels.
Reason R: We choose materials to make an object depending on its properties, and the purpose for which object is to be used.

A
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
✓
Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$
C
$A$ is true but $R$ is false
D
$A$ is false but $R$ is true

Answer

Correct option: B.

Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$

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MCQ 71 Mark

DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion $A"$ and the other labelled as "Reason $R$ ". You are to examine these two statements carefully and decide if the Assertion $A$ and Reason $R$ are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.
Assertion A: The materials which can be compressed or scratched easily are called soft.
Reason R: Iron is a hard material.

A
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
✓
Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$
C
$A$ is true but $R$ is false
D
$A$ is false but $R$ is true

Answer

Correct option: B.

Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$

Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.

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MCQ 81 Mark

DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion $A"$ and the other labelled as "Reason $R $". You are to examine these two statements carefully and decide if the Assertion $A$ and Reason $R$ are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.
Assertion A: If we add some ammonium chloride (a solid) to a glass of water and stir it for some time, we find that solid disappears.
Reason R: Ammonium chloride is soluble in water.

✓
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
B
Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$
C
$A$ is true but $R$ is false
D
$A$ is false but $R$ is true

Answer

Correct option: A.

Both $A$ and $R$ are true and $R$ is the correct explanation of $A$

Soluble substances dissolve in water.

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Science Assertion (A) & Reason (B) MCQ

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