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541. The number of naturally occurring amino acids found in proteins is
A. 12
B. 15
C. 20
D. 25
Explanation:
542. Which of the following will you use to remove rust stains on cloth ?
A. Lime
B. Kerosene Oil
C. Alcohol
D. Oxalic acid solution
Explanation:
543. 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) : A hydrogen filled balloon stops rising after it has attained a certain height in the sky.Reason (R) : The atmospheric pressure decteases with height and becomes zero when maxiumum height is attained.
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:
544. 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) : Energy is released in fission reaction but not in fusion.Reason (R) : Fission is a reaction in which a nucleus is split into two smaller nuclei whereas fusion means combination of two smaller nuclei to form a bigger nucleus.
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:
545. The President of India referred the Ayodhya issue to the Supreme Court of India under which Article ?
A. 143
B. 138
C. 136
D. 132
Explanation:
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