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): Due to haemoglobin, the colour of the blood is red.
Reason(R): Haemoglobin is red colour 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 : A
Explanation
Due to red colour pigment of the haemoglobin, the blood is red in colour.
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): Due to the slippery nature of the graphite, it is used as a lubricant.
Reason(R): Free electrons are present in the graphite.
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
Due to weak force of attraction between the layer structures of the graphite, it is slippery in nature.
Q 5 - Assertion (A): Nowadays India is in trouble due to inflation.
Reason(R): India has not made sufficient effort to curb all black money.
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 India is not able to control the black money, inflation is rising.
Q 6 - Assertion (A): India is known as a democratic country.
Reason(R): India has its own constitution.
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 the sentences are correct but India is democratic because the government is by the people, for the people, and of the people.
Q 7 - Assertion (A): The materials which have high melting points are used in the fuse.
Reason(R): It is the work of the safety fuses to provide resistance against the electric current.
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
The materials that have low melting point are used in the fuse so that upon the flow of heavy current it will melt and protect the other circuits.
Q 8 - Assertion (A): Goitre is a frequent disease that happens in the area nearby mountains.
Reason(R): Many people in the mountain area do not consume sufficient iodine content food.
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 disease is caused by the lack of iodine only and the mountain areas lack iodine.
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): One can easily guess the western coast of India from the presence of several sea spots.
Reason(R): Deep sea water is present on the western sea area.
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 gives the correct explanation to A.
