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SSC CGL 2018 PYQ — Question 114

SSC CGL Tier II English - 17/02/2018 • English • Q114

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In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

_______________ the course of the development of different life-forms heredity—which, in plain English, is unconscious memory generated in the first life-form and ______________ through all the different species—is the sole factor in the ____________ of the parent properties; while adaptation to surrounding conditions and circumstances, natural selection in the struggle _____________ existence, and partner selection in the struggle of the males for ____________ are the principal factors in the differentiation of species.

 

natural selection in the struggle _____________ existence, and partner selection

Show answer & explanation

Correct answer: A

Explanation

The correct answer is option 1, i.e. for.

  • 'Struggle' is used to indicate an action and 'existence' represents a time-period. SInce the action is denoted in a certain period of time we need to use 'for'. Using 'for' helps in indicating the action during the particular moment of time that has been mentioned.