Select the favourable conditions required for the formation of oxyhaemoglobin at the alveoli. (1) High pO2 , low pCO2 , less H+ , lower temperature (2) Low pO2 , high pCO2 , more H+ , higher temperature (3) High pO2 , high pCO2 , less H+ , higher temperature (4) Low pO2 , low pCO2 , more H+ , higher temperature

Correct option:(1)High pO2 , low pCO2 , less H+ , lower temperature
Solution:

• Factors favourable for the formation of oxyhaemoglobin at the alveolar level are:high pO2, low pCO2 and less H+ concentration and lower temperature.
• Conditions favourable for the dissociation of oxygen from oxyhaemoglobin at the tissue level are:low pO2, high pCO2, high H+ concentration and high temperature.