1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The function of leghaemoglobin in the root nodules of legumes is
A
inhibition of nitrogenase activity
B
oxygen differentiation
C
nodule differentiation
D
expression of nif gene.
2
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Nitrifying bacteria
A
oxidize ammonia to nitrates
B
convert free nitrogen to nitrogen compounds
C
convert proteins into ammonia
D
reduce nitrates to free nitrogen.
3
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which one of the following helps in absorption of phosphorus from soil by plants?
A
Glomus
B
Rhizobium
C
Frankia
D
Anabaena
4
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.
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