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576. Given below are two statements, labeled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ? 1. Assertion (A) : When a ship moves from the sea water into fresh water of a river, the shop will relatively sink. 2. Reason (R) : The density of sea water is higher than that of fresh 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.
C. A is true but R is false.
D. A is true but R is false.
Explanation:
577. Given below are two statements, labelled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ?Assertion (A) : Drinking water is chlorinated.Reason (R) : Chlorination makes water transpatent and chemically rich.
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.
C. A is true but R is false.
D. A is false but R is true.
Explanation:
578. Given below are two statements, labelled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ?Assertion (A) : Red green colour blindness occurs with more frequency in males than in females.Reason (R) : Females have two chromosomes and males have one.
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.
C. A is true but R is false.
D. A is false but R is true.
Explanation:
579. A judge of the Supreme Court of India is to hold office until he attains the age of
A. 58 years
B. 60 years
C. 62 years
D. 65 years
Explanation:
580. In fireworks, the green flame is produced because of
A. mercury
B. sodium
C. postassium
D. barium
Explanation:
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