Plants use Nitrogen in the form of? By: Sunday|Published on: Apr 23|Categories: Biology NECO| 0 comments A. ammonia B. ammonium C. nitrates D. nitrites E. urea Correct Answer: Option C – nitrates Users Also Read These:Heterozygous tall plants were crossed with…Nitrogen is taken up by plant roots in the form of?Rhizobium supplies nitrogen to leguminous plants by?In the nitrogen cycle, the nitrates in the soil are…Nitrogen is made available to plants in the form of…SEE ALSO The splitting of water molecule by light during photosynthesis is called?