General Science
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Micro-Organisms

The bacteria that fix atmospheric nitrogen help to produce
a) Nitrates
b) Proteins
c) Amino Acids
d) All the above

Answer:

d


Who discovered the fungus called Pencillium from which Pencillin is produced?
a) James D. Watson
b) Louis Pasteur
c) Alexander Flemming
d) Sir Ronald Ross

Answer:

c


Fermentation is carried out by the yeast cells in the absence of
a) Nitrogen
b) Carbondioxide
c) Hydrogen
d) Oxygen

Answer:

d


Bacteria in the root nodules of the plant and the plant help each other for mutual benefit. This is called
a) Combination
b) Symbiosis
c) Adoption
d) Amalgamation

Answer:

b


Which of the following bacteria live in the root nodules of plants?
a) Azotobacter
b) Pencillium
c) Rhizobium legumino sarum
d) Mycobacterium leprae

Answer:

c


General Science