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← Bihar Board Class 12 PYQ
Microbes in Human Welfare
Bihar Board Class 12 · Biology · 37 past questions
Topic
Microbes as sources of medicines and chemicals
2
Microbes in household and industrial food and beverage products
1
Biofertilizers and nitrogen fixation
0
Biogas production
0
General role of microbes in human welfare
0
Mycorrhiza and biocontrol agents
0
Sewage treatment
0
Level
Easy
3
Moderate
0
Year
2026
4
2025
5
2024
3
2023
4
2022
1
2021
5
2020
2
2019
3
2018
4
2017
3
2016
1
2015
2
3 of 37 ·
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Q10
2024 Set E
Amount of which vitamin increases after conversion of milk into curd?
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Q11
2024 Set E
Alexander Fleming discovered penicillin while working on which of the following bacteria?
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Q12
2024 Set E
Which of the following inhibits synthesis of cholesterol?
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