1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The curve given below shows enzymatic activity in relation to three conditions (pH, temperature and substrate concentration). What do the two axes (x and y) represent?

AIPMT 2011 Prelims Biology - Biomolecules Question 78 English
A
x-axis y-axis
enzymatic activity pH
B
x-axis y-axis
temperature enzyme activity
C
x-axis y-axis
substrate concentration enzymatic activity
D
x-axis y-axis
enzymatic activity temperature
2
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Select the correct option with respect to mitosis.
A
Chromatids separate but remain in the centre of the cell in anaphase
B
Chromatids start moving towards opposite poles in telophase
C
Golgi complex and endoplasmic reticulum are still visible at the end of prophase.
D
Chromosomes move to the spindle equator and get aligned along equatorial plate in metaphase.
3
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
CAM helps the plants in
A
conserving water
B
secondary growth
C
disease resistance
D
reproduction.
4
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