Mineral Nutrition In Plants Question 214
Question: 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 oxidised to nitrite by Nitrosomonas and Nitrosococcus. (iii) The nitrite is further oxidised 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.
Options:
A) (i), (ii) and (iii)
B) (ii), (iii), (iv) and (v)
C) (i), (ii) and (iv)
D) (i), (ii), (iv) and (v)
Show Answer
Answer:
Correct Answer: D
Solution:
[d] The nitrite is further oxidised to nitrate with the help of the bacterium Nitrobacter.