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Formation of Curd

The bacteria ...

Question

The bacteria which convert $N O_{3} \to$ Free $N O_{2}$ are called as

A

Nitrifying bacteria

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B

Ammonifying bacteria

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C

Denitrifying bacteria

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D

None of the above

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Solution

The correct option is C Denitrifying bacteria
Denitrification is the biological conversion of nitrate to nitrogen gas, nitric oxide or nitrous oxide. These compounds are gaseous compounds and are not readily available for microbial growth; therefore they are typically released to the atmosphere. Denitrifiers belong to several genera including Pseudomonas,Bacillus, Spirillum, Hyphomicrobium, Propionobacterium, Cornebacterium, Thiobacillus, and Alcaligenes. Biological denitrification is an anaerobic respiration reaction in which nitrate is reduced. Denitrifying bacteria are aerobic autotrophs or heterotrophs that can switch to anaerobic growth when nitrate is used as an electron acceptor.
So, the answer is option C.

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Q. The decreasing order of

N - O

bond lengths in

N O_{2}^{+}

N O_{2}^{-}

N O_{3}^{-}

N O_{2}^{+}, N O_{2}^{-}

N O_{3}^{-}

in the decreasing order of their

N - O

{N O}_{3}^{-}

is decomposed by urea in the mixture of

{N O}_{3}^{-}

{N O}_{2}^{-}

{N O}_{3}^{-}

interferes in the ring test of

{N O}_{2}^{-}

Read the above assertion and choose the correct option regarding it.

Q. Conversion of

N O_{3} \to N O_{2} \to N H_{3}

is called ________ and is catalyzed by ________

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N O_{3} \to N O_{2} \to N H_{3}

is called _______ and is catalysed by ________

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