This chapter is currently out of syllabus
1
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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Specialized cells for fixing atmospheric nitrogen in Nostoc are
A
heterocysts
B
hormogonia
C
modules
D
akinetes.
2
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N2) to the atmosphere?
A
Aerobic nitrate oxidation and nitrate reduction
B
Decomposition of organic nitrogen and conversion of dinitrogen to ammonium compounds
C
Enteric fermentation in cattle and nitrogen fixation by Rhizobium in root nodules of legumes
D
Anaerobic ammonium oxidation and denitrification
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The first stable product of fixaation of atmospheric nitrogen in leguminous plants is
A
NO$$_3^ - $$
B
glutamate
C
NO$$_2^ - $$
D
ammonia.
4
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
For its action, nitrogenase requires
A
high input of energy
B
light
C
Mn2+
D
super oxygen radicals.
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