A sentence/passage has been divided into four parts in jumbled form, arrange the sentences in correct order to form a meaningful

A sentence/passage has been divided into four parts in jumbled form, arrange the sentences in correct order to form a meaningful sequence and select the correct sequence from the following options.

P)            DNA is the master blueprint for life and constitutes the genetic material in all free- living organisms and most viruses.

Q)           Nucleic acids are the main information- carrying molecules of the cell, and, by directing the process of

R)            Nucleic acids are naturally occurring chemical compounds that are capable of being broken down to yield phosphoric acid sugars, and a mixture of organic bases.

S)            protein synthesis, they determine the inherited characteristics of every living thing. The two main classes of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).

A.            RQSP

B.            RSQP

C.            SRPQ

D.            PQRS

Sol:

R is the introductory part and should come at the first place, Q and S form a pair by Q ending at ‘of’, and S starting with ‘protein synthesis’ ( we needed a noun after preposition ‘of’ and only S starts with the complementary noun ), also S and P is a pair , S introducing DNA and P describing DNA.