Nitrogen is taken up by plant roots in the form of? By: Sunday|Published on: Jun 12|Categories: Agricultural Science WAEC| 0 comments A. nitrate ion B. nitrite ion C. nitric acid D. nitrogen gas Correct Answer: Option A – nitrate ion Users Also Read These:The relationship between the microorganisms and…The nitrogen obtained from air has a density higher…The movement of food in soluble form within the…A small stem from a hibiscus plant was placed in a…Which of the following statements about nitrogen is…SEE ALSO The most common weed of pastures in Nigeria is?