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Certain bacteria living in the soil poor in oxygen, convert nitrates into nitrites and then to free nitrogen and such bacteria are termed as

a)

Nitrogen fixing bacteria

b)

Denitrifying bacteria

c)

Ammonifying bacteria

d)

Saprophytic bacteria


Question ID - 216 | Top Ranker Answer | SaraNextGen

Certain bacteria living in the soil poor in oxygen, convert nitrates into nitrites and then to free nitrogen and such bacteria are termed as

a)

Nitrogen fixing bacteria

b)

Denitrifying bacteria

c)

Ammonifying bacteria

d)

Saprophytic bacteria

1 Answer - 5876 Votes

3537

Answer Key : (b) -

(b)

The denitrifying bacteria reduce the nitrates and the ammonium salts to free nitrogen which escapes into the atmosphere. . This process decreases fertility of the soil.



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