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9th Class Science Sample Paper Sample Paper - 2 Term - 1

  • question_answer
    Give reasons for the following. (i) Inner membrane of mitochondria is deeply folded. (ii) Mitochondria is called power house of cell. Why?  

    Answer:

    (i) These folds create a large surface area for ATP generalist chemical reaction. (1)      (ii) The energy required for various chemical activities is released by mitochondria in the form of ATP molecule.                (1)  


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