Here we explain the past paper mcqs of EATEA ,MUDCAT, NEET that asked in different calendar year....
TOP-10 MCQS OF BIOLOGY FROM RESPIRATION.
1. Alveoli are absent in:
(A): Fishes.
(B): Mammals.
(C): Birds.
(D): Amphibian.
2. Which of the following ions play important role in transport of Carbon dioxide?
(A): Potassium ion.
(B): Bicarbonate ion.
(C): Sodium ion.
(D): Chloride ion.
3. The rate of breathing of a child of 5 year is about:
(A): 40-Time per minute.
(B): 20-Time per minute.
(C): 25-Time per minute.
(D): 45-Time per minute.
4. What does not happen during inspiration in man?
(A): Intercostal muscle contract.
(B): Rib move outward.
(C): Diaphragm become dome-shaped.
(C): None of above.
5. Smaller the animal:
(A): More the rate of respiration.
(B): Less the rate of respiration.
(C):Rate of respiration does not depend upon size.
(D): None of these.
6. How many iron are present in single molecules of haemoglobin.
(A): One iron atom.
(B): Two iron atom.
(C):Three iron atom.
(D): Four iron atom.
7. How many haemoglobin molecules are present in a single RBC?
(A):200K RBC.
(B):20K RBC.
(C):200M RBC.
(D): 100M RBC.
8. How many molecules of amino acid are present in haemoglobin?
(A): 400.
(B): 530.
(C):574.
(D):440
9.During inspiration the:
(A): Chest wall is raised and diaphragm lowered.
(B): Chest wall is lowered and diaphragm is raised.
(C): Chest wall is raised and diaphragm is raised.
(D): Chest wall is raised and diaphragm is also raised.
10. Human lung are spongy due to presence of million of :
(A): Bronchi.
(B): Alveoli.
(C): Bronchioles.
(D): Trachea.
ANSWER-KEY.
|
1 |
C |
|
2 |
C |
|
3 |
C |
|
4 |
C |
|
5 |
A |
|
6 |
D |
|
7 |
C |
|
8 |
C |
|
9 |
C |
|
10. |
B |
 |
| Education for All. |
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