NEET Biology MCQ on Ammonification with Answers by Expert Teacher. Every Objective Questions is Important and Common for NEET-UG Exam.
1) Which of the following are steps of nitrogen cycle?
A) Nitrogen fixation B) Nitrification C) Ammonification D) All of these.
Answer: Answer is D, as all are the steps of nitrogen cycle.
2) ———- is the process when organic nitrogen converts to ammonia.
A) Nitrogen fixation B) Nitrification C) Ammonification D) All of these.
Answer: Answer is C, ammonification is formation of ammonia.
3) Which of the following are ammonifying bacteria?
A) Bacillus B) Pseudomonas C) Proteus D) All of these.
Answer: Answer is D, all are the examples of ammonifying bacteria.
4) When nitrogen gas is converted to inorganic nitrogen.
A) Carbon cycle B) Nitrogen cycle C) Both of these D) None of these.
Answer: Answer is B, in nitrogen cycle N2 is converted to inorganic nitrogen.
5) When ammonia converts to NO3 or nitrate is called as———.
A) Nitrogen fixation B) Nitrification C) Ammonification D) All of these.
Answer: Answer is B, when ammonia converts to NO3 or nitrate is called asNitrification
6) When nitrate is converted into N2 is called as——-.
A) Denitrification B) Nitrification C) Ammonification D) All of these.
Answer: Answer is A, when nitrate is converted into N2 is called asDenitrification.
7) Which of the following are an examples of nitrifying bacteria?
A) Nitrosomonas B) Pseudomonas C) Both of these D) None of these.
Answer: Answer is A, Nitrosomonas is nitrifying bacteria.
8) Which of the following are an examples of denitrifying bacteria?
A) Nitrosomonas B) Pseudomonas C) Both of these D) None of these.
Answer: Answer is B, pseudomonas is an example of denitrifying bacteria.
9) Nitrogen is important in environment for ——–.
A) Fertilizers B) Plant growth C) Both of these D) None of these.
Answer: Answer is C, Nitrogen is important in environment for Fertilizers and plant growth.
10) Symbiotic nitrogen fixing bacteria is called as:
A) Rhizobium B) Azotobacter C) Archea D) None of these.
Answer: Answer is A, Symbiotic nitrogen fixing bacteria is called as Rhizobium.