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Assertion and Reasoning Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Assertion and Reasoning. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 - Assertion (A): A person can face the death if exposed to carbon monoxide for more time.
Reason(R): Haemoglobin gets mixed with carbon monoxide.
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.
Answer : A
Explanation
Carboxy haemoglobin is formed by the mixture of carbon monoxide with blood and stops the normal inhale of oxygen.
Q 2 - Assertion (A): While making electric wires, we do not use silver.
Reason(R): Silver is not a good conductor of electricity.
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.
Answer : C
Explanation
We do not use silver because it is very costly.
Q 3 - Assertion (A): Despite the presence of more than one charged particle, the atom is neutral in nature.
Reason(R): Neutrons do not possess any charge.
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.
Answer : B
Explanation
Both A and R are true but an atom is neutral just because it contains equal number of positive and negative charged particles.
Q 4 - Assertion (A): When we keep salt in open, it absorbs moisture.
Reason(R): Natural salt contains Magnesium chloride in more amount.
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.
Answer : A
Explanation
The magnesium chloride present in the salt absorbs moisture from the air.
Q 5 - Assertion (A): For maximum trees, the leaves are green in colour.
Reason(R): The leaves contain green pigment.
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.
Answer : C
Explanation
A careful reading can let us arrive at correct answer.
Q 6 - Assertion (A): If crops are growing, then you should avoid the growing of weeds nearby.
Reason(R): Plants do not get space to grow if weeds will start growing.
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.
Answer : C
Explanation
When weeds grow near by the plant, they consume more nutrients from the plants.
Q 7 - Assertion (A): We should not use earthworms in the agriculture.
Reason(R): Earthworms goes deep inside the earth and makes the soil soft.
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.
Answer : D
Explanation
Due to the reason given in R, earthworms are helpful for agriculture.
Q 8 - Assertion (A): As compared to the outside countries, the milk production is very less in India.
Reason(R): The animal bearers are not in the good condition.
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.
Answer : C
Explanation
R is not true and the production is low because of improper breeding.
Q 9 - Assertion (A): In the northern hemisphere, the direction of deflection of wind is towards right and vice versa in southern hemisphere.
Reason(R): Wind’s direction gets changed due to the rotation of the earth.
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.
Answer : A
Explanation
Due to the earth’s rotation only, the wind experiences such change in its direction.
Q 10 - Assertion (A): If it rains, we feel more comfortable.
Reason(R): When it rains, the temperature drops, causing relief.
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.
Answer : A
Explanation
if it rains, there is no sweating, so we feel comfortable.
