A __________is obtained when percentage saturation of Hb with O₂ is plotted against the pO₂.

(1)J shaped curve

(2)Sigmoid Curve

(3)Exponential curve

(4)None of these

Which of the following factors are favourable for the shifting  of Oxyhaemoglobin dissociation Curve to the right side

(1)High pO₂

(2)Low pCO₂

(3)less H⁺ Concentration

(4)None of these

Which of the following factors are favourable for the shifting of Oxyhaemoglobin dissociation Curve to the left side

(1)High pO₂

(2)Low pCO₂

(3)less H⁺ Concentration

(4)All of these

______temperature will shift the Oxyhaemoglobin dissociation Curve to _____side,

(1)lower, left

(2)higher, right

(3)lower, right

(4)Both A and B

The red coloured, Fe Containing pigment present in the Erythrocytes is

(1)Haemoglobin

(2)Myoglobin

(3)Globin

(4)Albumin

The binding of Hb with Carbon dioxide forms

(1)Methamoglobin

(2)Carbamino-haemoglobin

(3)Oxyhaemoglobin

(4)none of these

More binding of CO₂ occurs when pCO₂ is _____ and pO₂ is ____

(1)high, high

(2)low, high

(3)high, low

(4)low, low

In alveoli,

(1)pCO₂ is high and pO₂is low

(2)pCO₂ is low and pO₂ is high

(3)pCO₂ is low and pO₂ low

(4)None of the above

The formation of Carbonic acid from Carbon dioxide and water is catalysed the enzyme

(1)Carbonic anhydrase

(2)Carbonic anhydride

(3)Carbonic hydrase

(4)Both A and C

At tissue sites, partial pressure of CO_2­ is high due to_______ process.

(1)Anabolic

(2)catabolic

(3)Both A and B

(4)Oxidative