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Logical Reasoning :: Assertion and Reason

Assertion and Reason - General Questions
  1. Assertion (A): James Watt invented the steam engine.

    Reason (R): It was invented to pump out the water from the flooded mines.

    2. 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.
    D.
    A is false, but R is true.
    E.
    Both A and R are false.

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  2. Assertion (A): Increased levels of carbon dioxide in the atmosphere would melt the polar ice.

    Reason (R): Increased levels of carbon dioxide would increase the temperature.

    3. 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.
    D.
    A is false, but R is true.
    E.
    Both A and R are false.

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  3. Assertion (A): Uranium can undergo a nuclear fusion reaction.

    Reason (R): Uranium has a big unstable nucleus.

    4. 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.
    D.
    A is false, but R is true.
    E.
    Both A and R are false.

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  4. Assertion (A): Baking soda helps reduce stomach acidity.

    Reason (R): It is a powerful natural cleaner.

    5. 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.
    D.
    A is false, but R is true.
    E.
    Both A and R are false.

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  5. Assertion (A): Plants have green leaves.

    Reason (R): Plants contain phycoerythrin, the green pigment.

    6. 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.
    D.
    A is false, but R is true.
    E.
    Both A and R are false.

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  6. Assertion (A): Copper is more expensive than silver.

    Reason (R): Copper is a good conductor of electricity.

    7. 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.
    D.
    A is false, but R is true.
    E.
    Both A and R are false.

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  7. Assertion (A): We sweat less in hot and humid climate.

    Reason (R): Sweat evaporates quickly in hot and humid climate.

    8. 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.
    D.
    A is false, but R is true.
    E.
    Both A and R are false.

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  8. Assertion (A): We should stop weeds from growing in the crop fields.

    Reason (R): Weeds leave no space for crops to grow.

    9. A.
    Both A and R are true, and R is the correct explanation of A.

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  9. Assertion (A): Diamond is used for cutting the glass.

    Reason (R): The refractive index of diamond is high.

    10. 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.
    D.
    A is false, but R is true.
    E.
    Both A and R are false.

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  10. Assertion (A): The water kept in the earthen pot cools down in summers.

    Reason (R): The water evaporates through the pores, which causes cooling.

    11. 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.
    D.
    A is false, but R is true.
    E.
    Both A and R are false.

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