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631. 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) : Goitre is endemic in mountainous regions. 2. Reason (R) : The diet of the people in mountains lacks iodine content.
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:
632. 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) : Gamma rays are underflected in a magnetic field.Reason (R) : Gamma rays do not contain charged particles.
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:
633. Hawaiian islands are located in
A. North Atlantic Ocean
B. South Atlantic Ocean
C. North Pacific Ocean
D. South Pacific Ocean
Explanation:
634. 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) : In a circular motion linear velocity of object is not constant.Reason (R) : In circular motion direction of motion changes rapidly.
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:
635. In a fast breeder reactor, U-238 gets converted to
A. U-235
B. U-237
C. Co-60
D. Plutonium - 239
Explanation:
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