NEET Biology question
Not in NEET syllabus
Match column I with column II and select the correct option from the given codes.
List-I: (A) *Nitrosomonas*, *Nitrosococcus* (B) *Nitrobacter*, *Nitrocystis* (C) *Pseudomonas*, *Thiobacillus*
List-II: (i) Ammonia to nitrite (ii) Nitrite to nitrate (iii) Nitrate to N₂
Answer: (A)
Solution
*Nitrosomonas* and *Nitrosococcus* oxidise ammonia to nitrite (step A-(i)). *Nitrobacter* and *Nitrocystis* oxidise nitrite to nitrate (step B-(ii)).
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