Nitrogen is taken up by plant roots in the form of? by Sunday | Jun 12 | 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:If the cross of a red-flowered plant with a white…A small stem from a hibiscus plant was placed in a…In the nitrogen cycle, the nitrates in the soil are…Which plant stores food in its roots?Which of the following statements about nitrogen is…