Principles of Inheritance and Variation

Bihar Board Class 12 · Biology · 55 past questions

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1. Q3 2026 Set A

   Which of the following is not a chromosomal disorder?

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2. Q7 2025

   Which of the following is not a chromosol disorder?

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3. Q17 2024 Set E

   Which of the following is not a chromosomal disorder?

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4. Q18 2023

   Which is the number of chromosomes in Turner's syndrome ?

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5. Q34 2020

   How many chromosomes will there be in Turner's syndrome?

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6. Q38 2019

   Comment upon Klinefelter syndrome

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7. Q42 2018

   The trisomy of 21st chromosome causes…

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8. Q50 2016

   Children become mentally retarded due to trisomy (2n + 1); what is it called?

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