MCQs of biology respiration-part-3 For Neet-Eatea-and NMDCAT.

 

The important mcqs of biology respiration in human that asked in previous multiple choice examination.......

  1. The site where cellular respiration take place and energy is produced is called:

     ( A): Chloroplast.

     (B):  Ribosome.

     (C):Mitochondria.

    (D): None of them.

2. The Capacitance of Air for oxygen and carbon dioxide  is same,where the capacitance of          water for  oxygen is -----time less then carbon dioxide.

     (A):10-time.

     (B):  20-time.

     (C):30-time.

     (D): 40-time.

 3. Respiratory pigment:

    ( A):Combine reversibly with only oxygen.

    (B):  All have four haem group.

    (C):Attach to alveolar wall.

    (D): None of them.

4.Which sequence most accurately describe the sequence of air flow in human respiratory system.

    1-Pharynx.2-Bronchi.3-Trachea.4-Larynx.5-Alveolar.6-bronchioles.

   ( A): 1,4,3,2,6,5.

   (B):  4,1,3,2,5,6.

   (C):1,4,3,2,5,6.

   (D): 4,1,3,2,6,5.

5.Breathing is an example of:

 ( A): Counter current exchange..

  (B):  Cellular respiration.

  (C):Ventilation.

  (D): Diffusion.

6 .High PH:

 (A): Decrease the combination of oxygen with haemoglobin.

 (B):  Increase the combination of oxygen with haemoglobin.

 (C):No effect in combination of oxygen with haemoglobin.

  (D): Haemoglobin release oxygen in high PH.

7.Rise the temperature causes:

 ( A):Decrease the combination of oxygen with haemoglobin.

 (B):  Increase the combination of oxygen with haemoglobin.

 (C): No effect in combination of oxygen with haemoglobin.

 (D): None of them. 

8. The oxygen concentration in sea water is less then fresh water due to:

  (A):Statement is wrong.

  (B):  More salt contents.

  (C):Surface area of water.

  (D): None of above.

9. High hydroxide ion concentration in tissue.

     ( A): Bind oxygen with haemoglobin.

     (B): Capacity of haemoglobin increase to bind with oxygen.

     (C):Dissociation of oxygen from haemoglobin.

     (D):Both A and B.

10.The rate of breathing of a child of 5 year is about.

 ( A): 44 time/minute.

  (B): 40 time/minute..

  (C):25 time/minute..

  (D): 20 time/minute.

                  Answer-key.                                                                     

1	C
2	B
3	D
4	A
5	C
6	B
7	A
8	B
9	C
10	C

                                                     

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