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← Bihar Board Class 12 PYQ
Principles of Inheritance and Variation
Bihar Board Class 12 · Biology · 55 past questions
Topic
Mendel's laws and crosses
19
Chromosomal disorders and genetic syndromes
8
Sex determination and sex-linked inheritance
8
Chromosomal theory, linkage and crossing over
7
Deviations from Mendelian inheritance
7
Blood groups
5
Pedigree analysis
1
Level
Easy
7
Moderate
0
Year
2026
0
2025
1
2024
1
2023
0
2022
0
2021
4
2020
0
2019
0
2018
0
2017
0
2016
0
2015
1
7 of 55 ·
show all
Q11
2025
Which of the following scientists prepared recombination map?
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Q16
2024 Set E
Who propounded the chromosomal theory of inheritance?
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Q26
2021 Set H
In which stage does crossing-over take place ?
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Q27
2021 Set H
What is the number of chromosomes present in human gametes ?
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Q30
2021 Set H
Number of chromosomes in human being (male) is
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Q32
2021 Set H
An exception of Mendel's law is
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Q52
2015
What is the number of chromosomes present in human gametes?
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