1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
The majority of carbon dioxide produced by our body cells is transported to the lungs as
A
attached to haemoglobin
B
dissolved in the blood
C
as bicarbonates
D
as carbonates.
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements is incorrect?
A
The principle of countercurrent flow facilitates efficient respiration in gills of fishes.
B
The residual air in lungs slightly decreases the efficiency of respiration in mammals.
C
The presence of non-respiratory air sacs, increases the efficiency of respiration in birds.
D
In insects, circulating body fluids serve to distribute oxygen to tissues.
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Which one of the following has an open circulatory system?
A
Octopus
B
Pheratima
C
Periplaneta
D
Hirudinaria
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Bowman's glands are found in
A
juxtamedullary nephrons
B
Olfactory epithelium
C
external auditory canal
D
cortical nephrons only