Class 9 Biology MCQs – Certification Test 816

Functions of Nitrogen and Magnesium Quiz (Question 816) – App & e-Book Download

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MCQ 816: The nitrogen is useful for plants in the form of:

nitrates
nitric acid
nitrogen dioxide
nitrites

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Download the Functions of Nitrogen and Magnesium Quiz App: Learn Functions of Nitrogen and Magnesium Notes, 9th Grade Biology Quiz App, and Cell Biology Quiz App for biology textbook learning support.

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