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
