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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
10
General role of microbes in human welfare
6
Microbes in household and industrial food and beverage products
6
Microbes as sources of medicines and chemicals
5
Mycorrhiza and biocontrol agents
4
Biogas production
2
Sewage treatment
0
Level
Easy
6
Moderate
0
Year
2026
1
2025
0
2024
1
2023
0
2022
0
2021
1
2020
0
2019
1
2018
0
2017
1
2016
0
2015
1
6 of 37 ·
show all
Q1
2026 Set A
Which vitamin content increases due to conversion of milk into curd ?
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Q10
2024 Set E
Amount of which vitamin increases after conversion of milk into curd?
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Q22
2021 Set H
The flour of Idli and Dosa is made by the use of which microbe ?
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Q26
2019
Brewery is concerned with
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Q34
2017
Which bacterium is used in formation of curd from milk?
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Q36
2015
The flour of Idli and Dosa is made by the use of which microbe?
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