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NEET-XII-Biology

P1 year:2019

with Solutions - page 3
Qstn# 131 Prvs-QstnNext-Qstn
  • #131
    Thiobacillus is a group of bacteria helpful in
    carrying out
    (1) Nitrogen fixation
    (2) Chemoautotrophic fixation
    (3) Nitrification
    (4) Denitrification
    digAnsr:   4
    Ans : ( 4 )
    Sol. Thiobacillus denitrificans cause denitrification
    i.e., conversion of oxides of nitrogen to free
    N
    2
    .