Biogas Production and Applications — NEET Biology
📚 Practice ConceptThe biogas plant has an outlet, which is connected to a pipe to supply biogas to nearby houses. The spent slurry is removed through another outlet and may be used as fertiliser. Cattle dung is available in large quantities in rural areas where cattle are used for a variety of purposes. So biogas plants are more often built in rural areas. The biogas thus produced is used for cooking and lighting. The picture of a biogas plant The technology of biogas production was developed in India mainly due to the efforts of Indian Agricultural Research Institute (IARI) and Khadi and Village Industries Commission (KVIC). If your school is situated in a village or near a village, it would be very interesting to enquire if there are any biogas plants nearby. Visit the biogas plant and learn more about it from the people who are actually managing it.
Which of the following statements concerning microbial applications and associated initiatives are correct? S1: The Khadi and Village Industries Commission (KVIC) played a significant role in popularising biogas technology in rural India. S2: The Indian Agricultural Research Institute (IARI) contributed to the development of biofertilisers by identifying several nitrogen-fixing bacteria like Azospirillum and Azotobacter. S3: Both biogas production and activated sludge treatment primarily rely on aerobic microbial activity. S4: The Ministry of Environment and Forests initiated the Ganga and Yamuna Action Plans to prevent pollution of rivers by untreated sewage. S5: Trichoderma polysporum, a fungus, is utilized for the commercial production of blood-cholesterol lowering agents called statins.
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