UPSC General Studies Sample Paper General Studies Sample Paper-1

  • question_answer
    Which of the following climatic factors regulate decomposition in the natural environment?
    1. Soil moisture      
    2. Temperature        
    3. Wind
    Select the correct answer using the codes given below.

    A)  1 and 2           

    B)  1 and 3            

    C)  2 and 3           

    D)  All of these

    Correct Answer: A

    Solution :

    [a] Decomposition (or rotting) is the process by which organic substance are broken down into simpler forms of matter. The process is essential for recycling the finite matter that occupies physical space in the biome. Temperature and soil moisture are the most important climatic factors that regulate decomposition through their effects on the activities of microbes.

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