1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The figure given below shows a small part of human lung where exchange of gases takes place. Select the option which represents labelled part (A, B, C or D) correctly identified along with its function. AIPMT 2011 Prelims Biology - Breathing and Exchange of Gases Question 25 English
A
D : capillary wall - exchange of O2 and CO2 takes place here
B
B : red blood cells - transport of CO2 mainly.
C
A : alveolar cavity - main site of exchange of respiratory gases
D
C : arterial capillary - passes oxygen to tissues
2
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Which of the following has maximum genetic diversity in India?
A
Wheat
B
Mango
C
Rice
D
Groundnut
3
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Of the total incident solar radiation the proportion of PAR is
A
About 60%
B
More than 80%
C
Less than 50%
D
About 70%
4
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Mass of living matter at a trophic level in an area at any time is called :
A
Humus
B
Detritus
C
Standing state
D
Standing crop