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1. |
Which assertion is correct ? |
A. | There is role of ministry of forest and environment in developing biogas technology. |
B. | Micro organism are used as a bio control agent by IARI. |
C. | Biofertilisers are used over chemical fertilizer to redused pollution. |
D. | Chemical fertiliser are used to form biofertiliser. |
Answer» D. | |