1
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Which one is the wrong pairing for the disease and its causal organism?
A
Black rust of wheat-Puccinia graminis
B
Loose smut of wheat-Ustilago nuda
C
Root knot of vegetables-Meloidogyne sp.
D
Late blight of potato- Alternaria solani
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
Which of the following is a symbiotic nitrogen fixer?
A
Azotobacter
B
Frankia
C
Azolla
D
Glomus
4
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.
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