1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
How does pruning help in making the hedge dense?
A
It releases wound hormones.
B
It induces the differentiation of new shoots from the rootstock.
C
It frees axillary buds from apical dominance.
D
The apical shoot grows faster after pruning.
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
An enzyme that can stimulate germination of barley seeds is
A
invertase
B
$$\alpha $$-amylase
C
lipase
D
protease
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
People living at sea level have around 5 million RBC per cubic millimeter of their blood whereas those living at altitude to 5400 metres have around 8 million. This is because at high altitude
A
people eat more nutritive food, therefore more RBCs are formed
B
people get pollution-free air to breath and more oxygen is available
C
atmospheric O2 level is less and hence more RBCs are needed to absorb the required amount of O2 to survive
D
there is more UV radiation which enhances RBC production.
4
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.