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Microbes in Human Welfare

Bihar Board Class 12 · Biology · 37 past questions

Topic General role of microbes in human welfare 2 Biofertilizers and nitrogen fixation 1 Biogas production 1 Microbes in household and industrial food and beverage products 1 Microbes as sources of medicines and chemicals 0 Mycorrhiza and biocontrol agents 0 Sewage treatment 0

Level Easy 1 Moderate 0

Year 2026 0 2025 0 2024 0 2023 0 2022 0 2021 1 2020 1 2019 0 2018 0 2017 0 2016 0 2015 0

1 of 37 · show all

Q18 2021 Set H

Biogas contains