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← Bihar Board Class 12 PYQ
Biotechnology: Principles and Processes
Bihar Board Class 12 · Biology · 74 past questions
Topic
Transgenic organisms and applications
20
PCR and detection techniques
13
Restriction enzymes and recognition sites
13
Isolation and separation of DNA
8
Cloning vectors and plasmids
6
Gene transfer and host cell preparation
4
Bioreactors and downstream processing
3
Ethics and biopiracy
1
Level
Easy
4
Moderate
0
Year
2026
1
2025
0
2024
0
2023
1
2022
0
2021
0
2020
0
2019
1
2018
0
2017
0
2016
0
2015
1
4 of 74 ·
show all
Q6
2026 Set A
DNA cannot pass through cell membrane because DNA .......... is molecule.
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Q28
2023
Which of the following enhances or induces fusion of protoplast ?
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Q53
2019
For induction of alien DNA in host cell we may use
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Q71
2015
Ti-plasmid is found in
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