Monomials are the algebraic expression consisting of one term. Binomials are the algebraic expression of the sum or the difference of two terms and trinomials are the expressions with three terms.
In the given options:
(i) Monomial expression
(ii) Binomial expression having two expressions i.e. m2 and 2m
(iii) Trinomial expression having three expression which is 3xy,y and 2x
(iv) This is also a Binomial Expression having two expressions which is 3x2,3y
(v)This is a Trinomial Expression having three expression which are t6,53t3 and 6