Q.1
The enzyme carbonic anhydrase is of which type?
  • a) Isomerase.
  • b) reversible
  • c) Lyases
  • d) Unidirectional
Q.2
Oxygen and carbon dioxide are transported in blood through (CB.S.E.1996)
  • a) WBCs and serum
  • b) Platelets and corpuscles
  • c) RBCs and WBCs
  • d) RBCs and plasma
Q.3
Rate of breathing is controlled by
  • a) Muscular functions of body
  • b) Carbon dioxide in blood
  • c) Amount of freely avilable oxygen
  • d) All the above
Q.4
How many percentage of CO2 transport in the form of carbamino compounds ?
  • a) 70%
  • b) 90%
  • c) 5%
  • d) 20%
Q.5
Oxygen carrying capacity of blood is (CPMT.1990)
  • a) 20%
  • b) 30%
  • c) 40%
  • d) 50%
Q.6
In carbon monoxide poisoning there is (A.F.M.C 1997)
  • a) Decrease in free haemoglobin
  • b) Increase in carbon dioxide concentration
  • c) Decrease in oxygen availability
  • d) None of the above.
Q.7
Intercostal muscles regulate the movement of
  • a) Ribs
  • b) Pharynx.
  • c) Diapharagm
  • d) Trachea
Q.8
Respiratory centre is situated in
  • a) Medulla oblongata
  • b) Cerebellum
  • c) Hypothalamus
  • d) Cerebrum
Q.9
Oxygen containing blood transported from lungs is to heart by
  • a) Renal vein
  • b) Branchial artery
  • c) Pulmonary artery
  • d) Pulmonary vein
Q.10
Oxygen haemoglobin dissociation curve will shift to right on decrease of (AMU.1992)
  • a) Carbon dioxide concentration
  • b) Acidity
  • c) pH
  • d) Temperature
Q.11
Human lungs are situated in
  • a) Abdominal cavity
  • b) Abdominal cavity
  • c) Thoracic cavity
  • d) Inside diaphragm
Q.12
Asthma is a disease of
  • a) Pharynx
  • b) Trachea and its branches
  • c) Lungs
  • d) Blood capillaries
Q.13
Dead space is ... ....
  • a) Lower respiratory tract.
  • b) Upper respiratory tract
  • c) Alveolar space
  • d) Nasal chambers
Q.14
Which is the lung disorder related to profession?
  • a) Emphysema
  • b) Silicosis
  • c) Pneumonia
  • d) Asthma
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