2. Sample Papers
  3. 7th Class
  4. General Knowledge

7th Class General Knowledge Sample Paper General Knowledge Olympiad Model Test Paper-2

  • question_answer
    Which one of the following instruments is used to measure humidity in air?

    A)  Hydrophone                 

    B)  Hygrometre

    C)  Lactometre                  

    D)  Phonograph

    E)  None of these      

    Correct Answer: B

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