MCQ
The most quickly available source of nitrogen to plants are:
- ANitrate fertilizers.
- BNitrite fertilizers.
- CAmmonical fertilizers.
- DAmmonical nitrate fertilizers
Explanation:
The chemical compound ammonium nitrate, the nitrate salt of ammonium. It is a white crystalline solid and is highly soluble in water. It is predominantly used in agriculture as a high-nitrogen fertilizer.
Nitrate fertilizers are preferred due to the highest absorbing ability of nitrates by plants, than in any other form.
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| Column-I | Column-II | ||
| (P) | Aspergillus niger | (i) | Acetic acid |
| (Q) | Acetobacter aceti | (ii) | Butyric acid |
| (R) | Clostridium butyricum | (iii) | Citric acid |
| (S) | Lactobacillus | (iv) | Lactic acid |