Top 150+ Solved Breathing and Exchange of gases MCQ Questions Answer
Q. What is correct ? (Orissa 2003)
a. Pulomonary ventilation is equal to alveolar ventilation
b. Alveolar ventilation is less than pulmonary ventilation
c. Alveolar ventilation is more than pulmonary ventilation
d. Both are variable.
Q. Increase in CO2 concentration shall cause (CB.S.E.2004)
a. Slower and shallower breathing
b. Slower and deeper breathing
c. Faster and deeper breathing
d. No effect on breathing
Q. SARS is caused by a variant of (A.I.I.M.S 2004)
a. Pneumococcus pneumonia
b. Common cold by Corona virus
c. Asthma
d. Bronchitis
Q. During inspiration (J.I.PME.R.2004,Orissa 2005,R.PMT.2005)
a. Diaphragm and external muscles relax
b. Diaphragm and internal intercostal muscles relax
c. Diaphragm and external intercostal muscles contract
d. Diaphragm and internal intercostal muscles contract.
Q. Mountain sickness at high altitude is due to (C.P.M.T.2005)
a. Excess co2 in blood
b. Decreased CO2 in air
c. Decreased partial pressure of oxygen
d. Decreased efficiency of haemoglobin
Q. Capacity of human lungs for air in a healthy person is (Orissa 2005)
a. 3000 ml
b. 1500 ml
c. 1000 ml
d. 500 ml
Q. Rate of breathing is controlled by
a. Amount of freely avilable oxygen
b. Carbon dioxide in blood
c. Muscular functions of body
d. All the above
Q. During strenous exercise,glucose is converted into (B.H.U.2005)
a. Glycogen
b. Pyravic acid
c. Starch
d. Lactic acid
Q. Which is incorrect ? (C.B.S.E.2006)
a. Presence of nonrespiratory air sacs increases efficinency of respiration in birds
b. In insects,circulation body fluids serve to distribute oxygen to tissues
c. Principle of counter - current flow facilitates efficient respiration in gills of fishes
d. Residual air in lungs slightly decreases the efficiency of respiration in mammals
Q. Percenatage of oxygen being carried by blood plasma is (Orissa 2006)
a. 6-9%
b. 3-6%
c. 2-3%
d. 1-2%
Q. Column I represents diseases and column II represents their symptoms. Which of the following pairs are correct match for them (Guj.CE.T.2006) ColumnI ColumnII(P) Asthma (i) Recurring of bronchitis(Q) Emphysema (ii) Accumulation of W.B.CS in alveolus(R) Pneumonia (iii) Allergy(a) P = iii, Q = ii, R = i (b) P = iii, Q = i, R = ii(c) P = ii, Q = iii, R = i (d) P = ii, Q = i, R = iii
a. P - ii , Q - iv , R - i , S - iii
b. P - ii , Q - i , R - iii , S - iv
c. P - iv , Q - ii , R - iv , S - iii
d. P - iv , Q - i , R - iii , S - ii
Q. :- What is indicated by A and B respectivity in the figure?
a. Trachea and Pharynx
b. Larynx and Pharynx
c. Nasal chamber and Trachea
d. Bronchus and Pharynx
Q. :- Where the A and B parys, Labeled in given figure are ended?
a. Bronchus and Lungs
b. Bronchioles and Lungs
c. Trachea and Bronchioles
d. Bronchus and Alveoli