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← Bihar Board Class 12 PYQ
Molecular Basis of Inheritance
Bihar Board Class 12 · Biology · 70 past questions
Topic
Structure of DNA and nucleic acids
4
Transcription and RNA
2
Lac operon and gene regulation
1
Recombinant DNA technology and tools
1
DNA as genetic material and key scientists
0
DNA replication
0
Genetic code, splicing and translation
0
Human Genome Project and genomics
0
NEW: Genetic code把
0
Level
Easy
5
Moderate
3
Year
2026
9
2025
5
2024
9
2023
7
2022
4
2021
10
2020
3
2019
8
2018
5
2017
4
2016
3
2015
3
8 of 70 ·
show all
Q48
2019
Restriction enzymes are known as
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Q49
2019
Lac operon represents
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Q50
2019
Uracil is related to
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Q51
2019
Which of the following is a wrong pair?
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Q52
2019
Synthesis of RNA on DNA template is knows as
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Q53
2019
Differentiate between Euchromatin and Heterochromatin.
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Q54
2019
Describe transcription in brief.
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Q55
2019
Draw a detailed diagram of DNA and label it properly.
(with a figure)
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