Molecular Basis of Inheritance

Bihar Board Class 12 · Biology · 70 past questions

19 of 70 · show all

1. Q3 2026 Set A

   A typical nucleosome is composed of

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2. Q9 2026 Set A

   The base pillar of both strands of DNA double helix is made of

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3. Q10 2025

   Which pentose sugar is present in RNA?

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4. Q11 2025

   Due to which of the following reasons there is approximately equal distance maintained between two…

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5. Q12 2025

   Which of the followings is not the reason for stability of DNA?

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6. Q27 2023

   DNA double helix is –

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7. Q32 2022 Set A

   Deoxyribose and ribose sugars belong to the same class, which are called.

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8. Q34 2022 Set A

   When a solution piece of DNA is kept at 82°-90° C, then

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9. Q36 2021 Set H

   Purinc bases of DNA are

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10. Q38 2021 Set H

    Pyrimidines present in RNA are

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11. Q39 2021 Set H

    Nucleoside is

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12. Q50 2019

    Uracil is related to

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13. Q53 2019

    Differentiate between Euchromatin and Heterochromatin.

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14. Q58 2018

    Describe the two salient features of double Helix structure of DNA.

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15. Q62 2017

    Which nitrogen base is absent in DNA?

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16. Q65 2016

    Which DNA molecule below contains purine?

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17. Q66 2016

    Which bond exists between the nitrogenous bases of nucleic acids ?

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18. Q67 2016

    How many pairs of nitrogenous bases are there in one complete turn of B-DNA?

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19. Q70 2015

    Differentiate between DNA and RNA.

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