1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
One of the free-living, anaerobic nitrogen-fixer is
A
Beijernickia
B
Rhodospirillum
C
Rhizobium
D
Azotobacter.
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Oxygenic photosynthesis occurs in
A
Oscillatoria
B
Rhodospirillium
C
Chlorobium
D
Chromatium
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
T.O. Diener discovered a
A
free infectious DNA
B
infectious protein
C
bacteriophage
D
free infectious RNA.
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Which of the following is a symbiotic nitrogen fixer?
A
Azotobacter
B
Frankia
C
Azolla
D
Glomus
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