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 mason $R$ 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): Cotton is comfortable to wear in hot, humid weather.
Reason (R): Cotton absorbs sweat.

✓
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 $A$

Sweat absorbed by cotton evaporates and results in cooling down of the body.

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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 as section. Select your answers to these items using codes given below.
Assertion (A): Jute can be effective substitute of plastic bags.
Reason (R): Jute is $100\%$ bio-degradable and recyclable.

✓
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 $A$

Jute is $100\%$ bio-degradable and recyclable and thus environment friendly due to which reason it can be an effective substitute of plastic bags.

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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 mason $R$ 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 fruits of the cotton plant are about the size of a lemon.
Reason (R): Cotton plants are generally grown at places having black soil and warm climate.

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 true but Reason is not the correct explanation of Assertion.

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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 as section. Select your answers to these items using codes given below.
Assertion (A): In India jute is mainly grown in West Bengal, Bihar and Assam.
Reason (R): The jute plant is normally harvested when it is at flowering stage.

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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Question 51 Mark

Fill in the blank with appropriate words:
On large scale, cotton clothes are made by machines in ________.

Answer

On large scale, cotton clothes are made by machines in powerloom.

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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 mason $R$ 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): Jute fibre is obtained from the flower of a jute plant.
Reason (R): Jute fibre is a natural fibre.

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

Assertion is false because jute fibre is obtained from stem of jute plant.

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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 as section. Select your answers to these items using codes given below.
Assertion (A): Cotton on burning gives paper burning smell.
Reason (R): Paper is made from cotton.

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 $A$
✓
$A$ is true but $R$ is false
D
$A$ is false but $R$ is true

Answer

Correct option: C.

$A$ is true but $R$ is false

Assertion is true but reason is false. Cotton and paper both are obtained from plant.

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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 mason $R$ 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): Wool is used for making winter clothing.
Reason (R): Wool fibre is highly porous.

✓
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 $A$

The air in the pores act as an insulator, and does not allow the body heat to go out.

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Science Assertion (A) & Reason (B) MCQ

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