NEET Biology MCQ - Breathing And Respiration Mcq - Quiz-14 Solution

Q.1.

The enzyme carbonic anhydrase is of which type?

19%
a) Isomerase.
43%
b) reversible
33%
c) Lyases
5%
d) Unidirectional

Explanation

Q.2.

Oxygen and carbon dioxide are transported in blood through (CB.S.E.1996)

19%
a) WBCs and serum
6%
b) Platelets and corpuscles
19%
c) RBCs and WBCs
56%
d) RBCs and plasma

Explanation

Q.3.

Rate of breathing is controlled by

5%
a) Muscular functions of body
38%
b) Carbon dioxide in blood
24%
c) Amount of freely avilable oxygen
33%
d) All the above

Explanation

Q.4.

How many percentage of CO2 transport in the form of carbamino compounds ?

27%
a) 70%
14%
b) 90%
23%
c) 5%
36%
d) 20%

Explanation

Q.5.

Oxygen carrying capacity of blood is (CPMT.1990)

28%
a) 20%
22%
b) 30%
22%
c) 40%
28%
d) 50%

Explanation

Q.6.

In carbon monoxide poisoning there is (A.F.M.C 1997)

53%
a) Decrease in free haemoglobin
35%
b) Increase in carbon dioxide concentration
12%
c) Decrease in oxygen availability
0%
d) None of the above.

Explanation

Q.7.

Intercostal muscles regulate the movement of

53%
a) Ribs
16%
b) Pharynx.
32%
c) Diapharagm
0%
d) Trachea

Explanation

Q.8.

Respiratory centre is situated in

74%
a) Medulla oblongata
11%
b) Cerebellum
11%
c) Hypothalamus
5%
d) Cerebrum

Explanation

Q.9.

Oxygen containing blood transported from lungs is to heart by

11%
a) Renal vein
22%
b) Branchial artery
39%
c) Pulmonary artery
28%
d) Pulmonary vein

Explanation

Q.10.

Oxygen haemoglobin dissociation curve will shift to right on decrease of (AMU.1992)

40%
a) Carbon dioxide concentration
0%
b) Acidity
40%
c) pH
20%
d) Temperature

Explanation

Q.11.

Human lungs are situated in

12%
a) Abdominal cavity
6%
b) Abdominal cavity
59%
c) Thoracic cavity
24%
d) Inside diaphragm

Explanation

Q.12.

Asthma is a disease of

6%
a) Pharynx
29%
b) Trachea and its branches
53%
c) Lungs
12%
d) Blood capillaries

Explanation

Q.13.

Dead space is ... ....

31%
a) Lower respiratory tract.
25%
b) Upper respiratory tract
31%
c) Alveolar space
12%
d) Nasal chambers

Explanation

Q.14.

Which is the lung disorder related to profession?

27%
a) Emphysema
27%
b) Silicosis
27%
c) Pneumonia
20%
d) Asthma

Explanation

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