2. Questions Bank
  3. 7th Class
  4. Science
  5. Respiration in Organisms

7th Class Science Respiration in Organisms Question Bank Respiration In Plants And Animals

  • question_answer
    Smoking can cause

    A) cancer        

    B) fever

    C) anaemia         

    D) Goitre

    Correct Answer: A

    Solution :

    cancer             


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