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← Bihar Board Class 12 PYQ
Microbes in Human Welfare
Bihar Board Class 12 · Biology · 37 past questions
Topic
Biofertilizers and nitrogen fixation
1
General role of microbes in human welfare
1
Microbes in household and industrial food and beverage products
1
Biogas production
0
Microbes as sources of medicines and chemicals
0
Mycorrhiza and biocontrol agents
0
Sewage treatment
0
Level
Easy
1
Moderate
0
Year
2026
1
2025
0
2024
0
2023
0
2022
0
2021
2
2020
0
2019
1
2018
1
2017
1
2016
1
2015
0
1 of 37 ·
show all
Q27
2019
What are microbes? Describe their role in human welfare in brief.
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