Reasoning - Assertion and Reason
Directions to solve :
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.
In each of the following questions, there are two statements labelled as A (Assertion) and R (Reason). Mark your answers as per codes given below :
A. - Both A and R are true and R correctly explains 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.
1.
A : A ship rises as it enters the sea form the river.
R : Density of the sea water is higher as compared to river water.
Answer
Due to higher density of sea water, the upthurst produced by the sea water on the ship is greater as compared to that produced by river water.
Answer :
Option AExplanation :
Due to higher density of sea water, the upthurst produced by the sea water on the ship is greater as compared to that produced by river water.
2.
A : The Indian Constitution came into force with effect from 26th January, 1950.
R : 26th January is celebrated as the Republic Day.
Answer
The Indian Constitution came into force with effect from January 26, 1950 and since then this day is celebrated as the Republic Day.
Answer :
Option BExplanation :
The Indian Constitution came into force with effect from January 26, 1950 and since then this day is celebrated as the Republic Day.
3.
A : AIDS does not have a vaccine.
R : The AIDS virus alters its genetic code.
Answer
A vaccine contains the inactivated germs of the disease. But the AIDS virus changes its genetic code and so on vaccine has been invented for it.
Answer :
Option AExplanation :
A vaccine contains the inactivated germs of the disease. But the AIDS virus changes its genetic code and so on vaccine has been invented for it.
4.
A : Razia Sultan was the daughter of Iltutmish.
R : Iltutmish was a rebel.
Answer
litutmish was a ruler of slave dynasty and Razia was his daughter.
Answer :
Option CExplanation :
litutmish was a ruler of slave dynasty and Razia was his daughter.
5.
A : The freezing of sea water during winter does not kill the fishes.
R : Only surface water is frozen.
Answer
Only the surface water of the sea freezes. Further below, water does not freeze because the surface ice provides an insulating coat.
Answer :
Option AExplanation :
Only the surface water of the sea freezes. Further below, water does not freeze because the surface ice provides an insulating coat.
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