1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
All of the following statements concerning the actinomycetous filamentous soil bacterium Frankia are correct except that Frankia
A
can induce root nodules on many plant species
B
can fix nitrogen in the free-living state
C
cannot fix specialized vesicles in which the nitrogenase is protected from oxygen by a chemical barrier involving triterpene hopanoids
D
like Rhizobium, it usually infects its host plant through root hair deformation and stimulates cell proliferation in the host's cortex.
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
For retting of jute the fermenting microbe used is
A
methanophilic bacteria
B
butyric acid bacteria
C
Helicobactor pylori
D
Streptococcus lactin.
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Basophilic prokaryotes
A
grow and multiply in very deep marine sediments
B
occur in water containing high concentrations of barium hydroxide
C
readily grow and divide in sea water enriched in any soluble salt of barium
D
grow slowly in highly alkaline frozen lakes at high altitudes.
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
There exists a close association between the alga and the fungus within a lichen. The fungus
A
provides protection, anchorage and absorption for the algae
B
provides food for the alga
C
fixes the atmospheric nitrogen for the alga
D
releases oxygen for the alga
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12