Match the column -
`{:(,"Column-I",,"Column-II"),((A),Ba,(p),"Golden yellow"),((B),Ca,(q),"Apple green"),((C),Na,(r),"Brick Red"),((D),Rb,(s),"Violet"):}`

|{:(,"Column I",,"Column II"),((A),"Adenine",(p),"Purine"),((B),"Thymine",(q),"Pyrimidine"),((C ),"Uracil",(r ),RNA),((D),"Deoxyribose",(s),DNA):}|

Here each question contains statements given in two column which have to be matched. Statements in columns I are labelled as A, B, C and D where as the statements in column II are labelled p, q, r and s. The answers to these questions are to be appropriately bubbled as illustrated in the following example. If the correct matches should like the following. {:(,,"Column I",,"Column II"),((A),,SO_(2),(p),"Basic"),((B),,H_(2)SO_(4),(q),"Acidic"),((C),,HNO_(3),(r),"Reducing"),((D),,NH_(3),(s),"Oxidizing"):}

Match the following columns: {:(,"Column I",,"Column II"),(A,"Golden rice",i,"Eli Lily"),(B,PCR,ii,"Herbert boyer"),(C,"Insulin",iii,"Kary mullis"),(D,"Recombin",iv,"Peter Bayer"):}

Match the following the compounds of column I with column II. {:(,"Column-I",,"Column-II",),((A),"Wood spirit",(p),2-"Butyne",),((B),"Acetone",(q),"Trichloromethane",),((C),"Dimethyl acetylene",(r),"Methanol",),((D),"Chloroform",(s),"Propanone",):}