1
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
2
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.
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Which one of the following is a vascular cryptogam?
A
Ginkgo
B
Marchantia
C
Cedrus
D
Equisetum
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Which one of the following is considered important in the development of seed habit?
A
Heterospory
B
Haplontic life cycle
C
Free-living gametophyte
D
Dependent sporophyte
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