11th Class Biology Breathing and Exchange of gases (Animal Respiration)

  • question_answer 28)
      The oxygen-haemoglobin dissociation curve will show a right shift in case of (a)high                  (b)high                           (c) low                  (d) less concentration

    Answer:

                      (a) A sigmoid curve obtained when percentage saturation of haemogblobin with is plotted against the The oxygen haemoglobin dissociation curve is shifted to right under following condition. (i) Decrease in partial pressure of oxygen. (ii) Increase in partial pressure of carbonoxide. (iii) Increase in hydrogen concentration. (iv) Decrease in pH activity. (v) Increased body temperature.


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