Nitrogen Fixation
1)The conversion of atmospheric nitrogen into nitrogenous compounds is

2)Rhizobium bacteria living in the root nodules of plant

3)Microorganisms in the soil convert atmospheric nitrogen into ammonium compounds, thereby enabling the survival of and  

4)is an essential constituent of proteins, nucleic acids, chlorophyll and vitamins. 

5)Blue green algae are able to fix nitrogen from the

6)Fungi are that degrade organic waste compounds into simple substances, ready for reuse by plants

7)The circulation of nitrogen between organisms and the atmosphere is called the

8)Which of the following bacteria converts the dead and decaying organisms into nitrogen compounds in soil?
  

9)Nitrification is a process of oxidation. 
  

10)Which of the following is not a fungus?
  


  


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