`{:(,"Column-I",,"Column-II"),("(A)","Femto","(p)",10^(-9)),("(B)","Peta","(q)",10^(15)),("(C)","Giga","(r)",10^(-15)),("(D)","Nano","(s)",10^(9)):}`

{:(,"Column I",,"Column II"),("(A)","1 Hectogram","p)",10^(-6)" gram"),("(B)","1 Decagram","q)",10^(2)" gram"),("(C)","1 milli gram","r)","10 gram"),("(D)","1 micro gram","s)",10^(-3)" gram"):}

{:(,"Column I",,"Column II"),((A), 1 "fermi",(p),10^(-13) m),((B),1 "X-ray unit",(q),10^(-15) m),((C),1 "angstrom",(r),10^(-10) m),((D),1 "Astronomical unit",(s),9.46xx10^(15) m),((E),1 "Light year",(t),3.26 "Light year"),((F),1 "Parse",(u),3.08xx10^(16) m),(,,(v),1.49xx10^(11)m):}

{:(,"Column I",,"Column II"),((A), 1 "fermi",(p),10^(-13) m),((B),1 "X-ray unit",(q),10^(-15) m),((C),1 "angstrom",(r),10^(-10) m),((D),1 "Astronomical unit",(s),9.46xx10^(15) m),((E),1 "Light year",(t),3.26 "Light year"),((F),1 "Parse",(u),3.08xx10^(16) m),(,,(v),1.49xx10^(11)m):}

{:(,"Column I",,"Column II"),((A), 1 "fermi",(p),10^(-13) m),((B),1 "X-ray unit",(q),10^(-15) m),((C),1 "angstrom",(r),10^(-10) m),((D),1 "Astronomical unit",(s),9.46xx10^(15) m),((E),1 "Light year",(t),3.26 "Light year"),((F),1 "Parse",(u),3.08xx10^(16) m),(,,(v),1.49xx10^(11)m):}

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

{:(,"Column-I",,"Column-II"),("(A)","Atomic mass in grams","(p)","Mole"),("(B)","Gram molar mass","(q)","Gram atom"),("(C)","Avogadro's No.","(r)",6.022xx10^(23)),("(D)","22.4 L of any gas at N.T.P.","(s)","Molecular mass in grams"):}

Column-I and Column-II contains fore entries each. Entries of Column-I are to be matched with some enties of Column-II One or more than one entries of Column-I may have the matching with the same entries oc Column-II. {:(,"ColumnI",,"ColumnII"),((A),"Electron",(P),"Negetive charge"),((B),"Proton",(Q),"Positive charge"),((C),"Neutron",(R),1.6xx10^(-19)C),((D),"Positron",(S),"Chargeless"):}