Non-biological nitrogen fixation is:

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(C) Non-biological nitrogen fixation occurs through physical processes in the atmosphere.$1$. Electrochemical fixation: During lightning,the high temp

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Both $(a)$ and $(b)$

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(C) Non-biological nitrogen fixation occurs through physical processes in the atmosphere.$1$. Electrochemical fixation: During lightning,the high temperature and electrical discharge cause atmospheric nitrogen $(N_2)$ to react with oxygen $(O_2)$ to form nitrogen oxides.$2$. Photochemical fixation: High-energy solar radiation can also facilitate the reaction between nitrogen and oxygen in the atmosphere.These nitrogen oxides dissolve in rainwater to form nitric acid and nitrous acid,which reach the soil and are converted into nitrates,thus becoming available to plants. Therefore,both electrochemical and photochemical processes contribute to non-biological nitrogen fixation.

Column-$I$	Column-$II$
$(a)$ Free living aerobic nitrogen fixer	$(1)$ Frankia
$(b)$ Denitrification	$(2)$ Anabaena
$(c)$ Free living anaerobic nitrogen fixer	$(3)$ Thiobacillus
$(d)$ Symbionts	$(4)$ Beijerinckia

Similar Questions

The reaction $2 NH_3 + 3 O_2 \rightarrow 2 NO_2^- + 2 H^+ + 2 H_2O$ is carried out by which of the following microorganisms?

Nitrite is converted to nitrate by

Match the following:
Column-$I$ Column-$II$
$(a)$ Free living aerobic nitrogen fixer $(1)$ Frankia
$(b)$ Denitrification $(2)$ Anabaena
$(c)$ Free living anaerobic nitrogen fixer $(3)$ Thiobacillus
$(d)$ Symbionts $(4)$ Beijerinckia

What does the term 'denitrification' mean?

$A$ prokaryote responsible for converting ammonia to nitrites is

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