2. Questions Bank
  3. 4th Class
  4. General Knowledge
  5. Environment

4th Class General Knowledge Environment Question Bank Enviromental Conservation

  • question_answer
    _____is the major raw material for biogas.                                                                                      (2017)

    A)  Plant leaves   

    B)  Cow dung  

    C)  Mud                  

    D)  Grass

    Correct Answer: B

    Solution :

    Not Available   


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