1
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Which is the first CO2 acceptor enzyme in C4 plants?
A
RuDP carboxylase
B
Phosphoric acid
C
RuBisCO
D
PEP- carboxylase
2
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Which hormone is responsible for fruit ripening?
A
Ethylene
B
Auxin
C
Ethyl chloride
D
Cyctokinin
3
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Spindle fibre unite with which structure of chromosomes?
A
Chromocentre
B
Chromomere
C
kinetochore
D
Centriole
4
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
In which point, pulmonary artery is different from pulmonary vein?
A
Its lumen is broad
B
Its wall is thick
C
It has valves
D
It does not posses endothelium.