71.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) : Transfer of genetic information from one generation to the next is accomplished by DNA.Reason (R) : DNA is fundamentally an antigenantibody reaction.

72.The Arab conquest of Sind took place in 712 A.D. under the leadership of

73.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.

74.Lichchavi princess Kumara Devi was married to

75.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.