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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): It is very difficult to clean cloths properly in hard water.
Reason(R): Many minerals are abundantly dissolved in the hard water.
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
Hard water does not form foam with soap. So it is difficult to wash cloths and it is also true that hard water contains many minerals.
Q 2 - Assertion (A): Carbohydrates are energy boosters for the body.
Reason(R): Excess inflow of carbohydrates into the body can cause obesity.
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
It is true that carbohydrates are the source of energy but excess obesity is gained by the intake of fatty foods.
Q 3 - Assertion (A): Once upon a time Himalaya used to be drain inside the sea.
Reason(R): Marine related fossils have been traced on Himalaya.
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
Once upon a time Himalaya used to be inside the Tethy sea and trace of fossil soils have been found on the peak of the mountain.
Q 4 - Assertion (A): The material experiences a decrease in its weight when it is dipped inside the fluid.
Reason(R): Due to the higher weight of the displaced fluid, the weight of the material decreases.
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
The fluid gives the upward thrust, hence the weight decreases.
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): More sag can be observed in the transmission lines in summer season.
Reason(R): More heat is the reason for the sag of the lines.
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
As transmission lines are metallic, hence they tend to expand more in summer season.
Q 7 - Assertion (A): If we will make a trace then we will be able to know that development of most of the ancient civilization has been done near the river area.
Reason(R): During that period, agriculture was the main occupation of the man.
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
As the availability of the water was more, it was convenient to do the agriculture.
Q 8 - Assertion (A): Before sowing the seeds, treat them with fungicides.
Reason(R): To germinate the seeds, we treat them with fungicides.
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
Seeds are treated with fungicides to make them free from any seed borne diseases but however they can germinate even before getting treated with fungicides.
Q 9 - Assertion (A): If you want to produce aluminium then you need electricity in cheap rate.
Reason(R): For the extraction of aluminium from its ores, heavy electricity is required.
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
It is correct that for the extraction of aluminium from ores, heavy electricity will be required.
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.