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14)
C)5 stages
→In general, the nitrogen cycle has five steps:
Nitrogen fixation (N2 to NH3/ NH4+ or NO3-)
Nitrification (NH3 to NO3-)
Assimilation (Incorporation of NH3 and NO3- into biological tissues)
Ammonification (organic nitrogen compounds to NH3)
Denitrification(NO3- to N2)
15)
A)Inert form. Nitrogen is a inert gas.
16)
D)Nitogen fixation involves physical,chemical and biological process.
17)
C)Both Bacteria and Blue Green algae.
Example →Nitrosomonas and anabena respectively
18)
A)Rhizobium
→Found in symbiosis with leguminous plants.
19)
D)Pea
→Pea is a dicotyledounous leguminous plant.
C)5 stages
→In general, the nitrogen cycle has five steps:
Nitrogen fixation (N2 to NH3/ NH4+ or NO3-)
Nitrification (NH3 to NO3-)
Assimilation (Incorporation of NH3 and NO3- into biological tissues)
Ammonification (organic nitrogen compounds to NH3)
Denitrification(NO3- to N2)
15)
A)Inert form. Nitrogen is a inert gas.
16)
D)Nitogen fixation involves physical,chemical and biological process.
17)
C)Both Bacteria and Blue Green algae.
Example →Nitrosomonas and anabena respectively
18)
A)Rhizobium
→Found in symbiosis with leguminous plants.
19)
D)Pea
→Pea is a dicotyledounous leguminous plant.
charan20jan:
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