question_answer

    (a) Enumerate   some   differences   between nitrification and denitrification processes. (b) State the importance of nitrogen cycle for living organisms.

Answer:

             (a) Difference between nitrification and gentrification process

Nitrification	Denitrification
It is a process of conversion of ammonia into nitrates.	It is the process of conversion of nitrates back to nitrogen or to ammonia.
The bacteria involved in this process are Nitrobacter and Nitrosomonas.	The bacteria involved in this process is Pseudomonas.

(b) Nitrogen cycle is important to maintain the overall amount of nitrogen content in soil, water, air. Living organisms cannot utilise nitrogen without nitrogen cycle.