Principles of Inheritance and Variation

Bihar Board Class 12 · Biology · 55 past questions

18 of 55 · show all

1. Q2 2026 Set A

   How many types of gametes would be formed if the genotype of plant is AaBbCc ?

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2. Q5 2026 Set A

   Which of the following laws is based on monohybrid cross?

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3. Q9 2025

   The trait which is expressed in heterozygous plants is known as .......

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4. Q12 2025

   Which laws of inheritance were propounded on basis of monohybrid?…

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5. Q15 2024 Set E

   What is the cytological basis of law of independent assortment?

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6. Q20 2023

   The F$_2$ phenotypic ratio in dihybrid cross is –

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7. Q21 2023

   ‘Genotype-Phenotype’ concept was first proposed by

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8. Q22 2023

   “Gametes are never hybrid”, it is statement of -

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9. Q23 2023

   Which one in the following crosses shows phenotypic ratio of 3:1 ?

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10. Q25 2022 Set A

    The different forms of a gene are called.

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11. Q28 2021 Set H

    Mendel proposed

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12. Q29 2021 Set H

    Law of segregation is also known as

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13. Q37 2019

    Describe the law of segregation with any one example. (with a figure)

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14. Q40 2018

    Genes present on the same locus having different expression are called…

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15. Q47 2017

    Which one is phenotypic ratio od Monohybrid cross?

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16. Q51 2016

    What is the phenotypic ratio of a dihybrid cross?

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17. Q54 2015

    Mendel proposed

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18. Q55 2015

    Write Mendel's law based on monohybrid cross.

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