Which of the following statement(s) is/are correct? (i) Con…

Biology Mineral Nutrition ( Not In Syllabus ) Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 21, 2026

Which of the following statement(s) is/are correct?

(i) Conversion of organic nitrogen to NH 4 + by soil microbes is called ammonification.

(ii) Ammonia is first oxidized to nitrite by Nitrosomonas and Nitrosococcus.

(iii) The nitrite is further oxidized to nitrate with the help of the bacterium Thiobacillus.

(iv) In leaves, nitrate is reduced to form ammonia that finally forms the – NH 2 group of amino acids.

(v) Nitrosomonas, Nitrosococcus and Nitrobacter are Chemoautotrophs.

i, ii and iii

ii, iii, iv and v

i, iii and v

i, ii, iv and v

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