Question

wennance fertility of soil.
INCERT)
3.
Alcohol is produced with the help of
[NCERT)
4. Cholera is caused by bacteozee.
INCERT)
5.
Citrus canker is a
disease caused in plants.
disease while rust of wheat is a
6. Sometimes, atmospheric nitrogen gets fixed by the action of
7. Atmosphere of earth has
78%
nitrogen.
yeast
lightning
C.
Correct the following statements and rewrite.
The root nodules of leguminous plants have oxygen fixing bacteria.
2. Yeast is used commercially in shoe-making industry.
3. All microorganisms are useful to us.
4. Antibiotics are effective against diseases caused by viruses.
D. Match the names of scientists given in Column A with the disco
them given in Column B.
[NCERT​

Answer 1

Answer:

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