Are you looking for Mcqs on Nitrogen cycle? If Yes then you are at right place. Here you will find Nitrogen cycle Mcq Questions and Answers, Trivia, Quiz, Interview MCQ & Nitrogen cycle Current Affairs for Competitive Exams like Neet exams, around 30% to 40% of Neet questions are asked from given Nitrogen cycle Mcqs. as you know Questions and Ansers on Nitrogen cycle is very important for Neet Exam. In this Nitrogen cycle MCQ section for Neet competition we are covering MCQS on Nitrogen cycle
Question : Conversion of ammonia to nitrite and then to nitrates is called
A. Ammonification
B. Denitrification
C. Assimilation
D. Nitrification
Question : Conversion of nitrites to nitrates is called
A. Nitrosococcus
B. Clostridium
C. Nitrobacter
D. Nitrosomonas
Question : Conversion of nitrates to nitrogen is called
A. Ammonification
B. Nitrification
C. Nitrogen fixation
D. Denitrification
Question : Ammonification is the formation of
A. Ammonia from nitrates by decomposers
B. Ammonia from nitrogen
C. Ammonia from amino acids
D. Ammonia from nitrates by nitrogen fixers
Question : How many molecules of ATP are required to fix one molecule of nitrogen?
A. 12
B. 20
C. 6
D. 16
Question : Symbiotic nitrogen-fixing cyanobacteria are not present in
A. Azolla
B. Gnetum
C. Anthoceros
D. Cycas
Question : Important enzymes involved in nitrogen fixation are
A. Nitrogenase and hydrogenase
B. Nitrogenase and hexokinase
C. Nitrogenase and peptidase
D. Nitrogenase and hydrolyase
Question : Nitrogen is absorbed by the plants in the form of
A. Ammonium
B. Nitrites
C. Nitrates
D. All
F. All
Question : Which of the following statements is correct?
A. Atmosphere is the major reservoir for plants
B. Nitrogen is the most abundant nutrient for plants
C. Nitrogen cycle is a sedimentary cycle
D. All