7th Class Science Sample Paper Science Sample Paper - 2

  • question_answer
    List similarities and differences between aerobic and anaerobic respiration     

    Answer:

    Similarities: Both aerobic and anaerobic respiration produce energy and give out carbon dioxide. Dissimilarities
    S. No. Aerobic Respiration Anaerobic Respiration
    (i) It occurs in the presence of oxygen. It occurs in the absence of oxygen.
    (ii) Large amount of energy is released. Small amount of energy is released.
    (iii) Food molecules are broken down into water and carbon dioxide. Glucose   Energy (presence of ) Food molecules are broken down into ethyl alcohol and carbon dioxide. Glucose   Alcohol +  + Energy (absence of )


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