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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): We should eat only that rice that are unpolished.
Reason(R): Polished rice contains Vitamin B in full 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
Unlike unpolished rice, polished rice lacks vitamin B. Its shortage in the body can cause Beri-Beri.
Q 2 - Assertion (A): Through nuclear fusion, we can generate electricity.
Reason(R): As nuclear power becomes uncontrollable, it cannot be used.
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 : E
Explanation
Nuclear fission is used to generate electricity and it can be controlled.
Q 3 - Assertion (A): The flow of Narmada river is towards west.
Reason(R): Narmada river terminates at Bay of Bengal.
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
Narmada River flows towards west direction but it falls into the Arabian sea.
Q 4 - Assertion (A): If we will put an iron ball on the mercury, it will float but if the same thing will be put inside the water, it will sink.
Reason(R): Mercury has less specific gravity than iron.
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
Iron has less specific gravity than that of mercury, so iron floats on it.
Q 5 - Assertion (A): Around the fractured bones, doctors use plaster of Paris.
Reason(R): If you will mix the plaster of Paris with water it becomes solid after some time.
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
To keep the joints intact without moving, doctors apply plaster of Paris. It solidifies when it is mixed with water.
Q 6 - Assertion (A): During the winter season, the freezing of the water in the sea does not kill the fishes inside it.
Reason(R): Freezing of the water takes place at the surface level only.
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
An insulation type coating is provided by the ice present on the surface of the sea. That is the reason why the water under it does not freeze.
Q 7 - Assertion (A): In the upper course, the river causes much erosion.
Reason(R): Swift flow of the river takes place in the upper course.
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 stiff area in the upper course, it is quite natural for the river to flow swiftly and hence cause erosion.
Q 8 - Assertion (A): For communication purpose, moon cannot be used as a satellite.
Reason(R): The area of movement of moon is not on the equatorial plane 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
R explains A correctly.
Q 9 - Assertion (A): If the atmosphere gets affected with unwanted noise signals then it is called noise signal.
Reason(R): Communication signal gets affected with it.
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 noise signal is unwanted because when it mixes with normal communication signal, we face communication problem.
Q 10 - Assertion (A): Sea-breeze blows during day time, and land-breeze during night.
Reason(R): At the night time, land takes very less time to get heated up.
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
During the night time, the land gets cooled down quickly and cold breeze blows.