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621. The Arab conquest of Sind took place in 712 A.D. under the leadership of
A. Muhammad bin Kasim
B. Subuktagin
C. Mahmud Ghaznavi
D. Qutub-ud-din
Explanation:
622. 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) : Appendix is a vestigial organ in human body.Reason (R) : It does not participate indigestion.
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:
623. Lichchavi princess Kumara Devi was married to
A. Pravarasena
B. Chandragupta I
C. Chandragupta II
D. Harshvardhana
Explanation:
624. The property of a substance to absorb moisture from the air on exposure is called
A. osmosis
B. dessication
C. efflorescence
D. deliquescence
Explanation:
625. 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) : Cut friuits and vegetables should not be kept in open for long.Reason (R) : Their vitamin content is ruined.
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:
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