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Assertion: O(2) can bind with haemoglobi...

Assertion: `O_(2)` can bind with haemoglobin in an irreversible manner to form oxyhaemoglobin.
Reason: Binding of oxygen with haemoglobin is . primarily related to partial pressure of `CO_(2)`

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
D
`O_(2)` can bind With haemoglobin in a reversible manner to form oxyhaemoglobin.
Binding of oxygen with haemoglobin is primarily re lated to partial pressure of `O_(2)`.
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Factors those interfere with the binding of O_(2) with haemoglobin are:

Read the following statements about respiratory system of humans : I. Type II alveoli help in secretion of a chemical surfactant called lecithin , which decreases the surface tension around alveoli. II. The diffusion membrane for exchange of gases is made up of three major cellular layers. III. Binding of oxygen with hemoglobin is primarily related to the partial pressure of O_2 . IV. Every 100 ml of oxygenated blood can deliver around 5 ml CO_2 to the tissues under normal physiological conditions. How many statement is /are correct from the above ?

Knowledge Check

  • O_(2) binds with haemoglobin od RBC to form

    A
    Carboxyhaemoglobin
    B
    Oxyhaemoglobin
    C
    Carbaminohaemoglobin
    D
    Aminohaemoglobin

  • Which statements are correct for oxyhaemoglobin dissociation curve ? (A) This curve is sigmoid (B) When CO_(2) concentration increases, then this curve shifts towards right side (C) Low temperature is favourable for dissociation of oxygen grom oxyhaemoglobin (D) Binding of oxygen with haemoglobin is primarily related to partial pressure of O_(2)

    A
    ABC are correct
    B
    ABD are correct
    C
    Only A is corrct
    D
    BCD are correct

  • Read the following four statement carefully. (i) Ventral respiratory group of neurons of medulla oblongata can cause both inspiration and expiration. The part of the respiratory and expiration. (ii) The part of the respiratory system starting with the external the respiratory or exchange part of the respiratory system. (iii) During swallowing epiglottis can be covered by a thin elastic cartilaginous flap called glottis to prevent the entry of food into the larynx. (iv) Binding of oxygen with haemoglobin in primarily related of oxygen with haemoglobin is primarily related to partial prssure of O_(2) . Which of the above two statement are correct ?

    A
    `(ii)` and `(iii)`
    B
    `(iii)` and `(iv)`
    C
    `(i)` and `(ii)`
    D
    `(i)` and `(iv)`

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