Question:
Select two inorganic nitrogen sources for nitrogen fixation in plants.
Select two inorganic nitrogen sources for nitrogen fixation in plants.
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Consider which nitrogen forms are readily absorbed by plants.
Updated On: Jan 17, 2026
- Nitrate (NO₃⁻)
- Nitrite (NO₂⁻)
- Ammonium (NH₄⁺)
- Urea
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The Correct Option is A, C
Solution and Explanation
Plants absorb nitrogen from the soil in the form of nitrates (NO₃⁻) and ammonium (NH₄⁺) for protein synthesis, making these the key inorganic nitrogen sources.
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