In this question, there is a sentence of which some parts have been jumbled up. You are required to rearrange these parts which are labelled P, Q, R and S to produce the correct sentence. Choose the proper sequence and mark in your Answer Sheet accordingly.

Animals    are able to measure (P)   the passing of the seasons (Q)   changes in day-length(R)    by recognizing (S)

The correct sequence should be

English 2017 CDS English 2017 CDS 2017

Options