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Science Assertion (A) & Reason (B) MCQ

Body Movement · CBSE STD 6 (CBSE - English Medium). 6 questions.

Questions

Assertion (A) & Reason (B) MCQ

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6 questions · auto-graded multiple-choice test.

MCQ 11 Mark
Direction: 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 odes given below.
Assertion (A): Shoulder is the region where fore limb or arm joins the body.
Reason (R): The two bones at the shoulder are called shoulder bones.
  • 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 $A$ and $R$ are true but $R$ is not the correct explanation of $A.$
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MCQ 21 Mark
Direction: 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 odes given below.
Assertion (A): Earthworm has muscles that help to extend or shorten body.
Reason (R): Muscles can only pull and not push.
  • 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 $A$ and $R$ are true but $R$ is not the correct explanation of $A$
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MCQ 31 Mark
Direction: 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 odes given below.
Assertion (A): Cartilage covers the ends of bones.
Reason (R): Cartilage acts as a shock absorber and reduces friction between bones.
  • ✓
    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 $A$
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
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MCQ 41 Mark
Direction: 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 odes given below.
Assertion (A): Snails move with the help of muscular foot.
Reason (R): The outer skeleton of a snail is called the shell.
  • 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 $A$ and $R$ are true but $R$ is not the correct explanation of $A$

 
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MCQ 51 Mark
Direction: 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 tatements 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 odes given below.
Assertion (A): The elbow joint is a hinge joint.
Reason (R): Hinge joint allows movement in one plane only.
  • 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 $A$ and $R$ are true but $R$ is not the correct explanation of $A.$
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MCQ 61 Mark
Direction: 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 odes given below.
Assertion (A): Entire skeleton of shark is made of cartilage.
Reason (R): Cartilage is also found in joints in body.
  • 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 $A$ and $R$ are true but $R$ is not the correct explanation of $A$
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