1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Vacuole in a plant cell:
A
is membrane-bound and contains storage proteins and lipids
B
is membrane-bound and contains water and excretory substances
C
lacks membrane and contains air
D
Lacks membrane and contains water and excretory substances
2
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
In germinating seeds fatty acids are degraded exclusively in the:
A
proplastids
B
peroxisomes
C
glyoxysomes
D
mitochondria
3
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Earthworms have no skeleton but during burrowing the anterior end becomes turgid and acts as a hydraulic skeleton. It is due to:
A
coelomic fluid
B
gut peristalsis
C
blood
D
setae
4
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
The two sub-units of ribosome remain united at a critical ion level of :
A
magnesium
B
manganese
C
calcium
D
copper