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    Question

    Directions : In each of the questions given below, four words are given in bold. These four words may or may not be in their correct position. The sentence is then followed by options with the correct combination of words that should replace each other in order to make the sentence grammatically and contextually correct. Find the correct combination of words that replace each other. If the sentence is correct as it is, select ‘E’ as your option.

    The physiology of heat response (A) in animals is

    very complex and poorly linked (B) , as it appears understood (C) to a number of factors such as metabolic activity and proteins produced by cells in acclimatisation (D) to stress.
    A A-D and B-C Correct Answer Incorrect Answer
    B A-C and B-D Correct Answer Incorrect Answer
    C Only B-D Correct Answer Incorrect Answer
    D A-B and C-D Correct Answer Incorrect Answer
    E No exchange required Correct Answer Incorrect Answer

    Solution

    Here, although A and B seem correct, C and D are incorrect at their places. Exchanging C-D is also incorrect. The word ‘acclimatisation’ means ‘the process of changing to suit different conditions of life, weather, etc., or the act of making someone or something do this’. It is suitable at A. So, A-D should be interchanged. Also, we should exchange B-C to make the sentence correct. The physiology of heat acclimatisation in animals is very complex and poorly understood , as it appears linked to a number of factors such as metabolic activity and proteins produced by cells in response to stress.

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