1.

    During DNA replication, the enzyme responsible for removing RNA primers and replacing them with DNA is:

    A

    DNA polymerase III

    B

    DNA ligase

    C

    Primase

    D

    DNA polymerase I

    Question Tags
    πŸ“š Subject:Botany
    πŸ“‘ Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Hard
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :DNA Replication, Enzymes

    Related Questions

    1.

    The net electric charge on DNA and histones is?

    A

    Both positive

    B

    Both negative

    C

    Negative and Positive

    D

    Zero

    Question Tags
    πŸ“š Subject:Botany
    πŸ“‘ Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :DNA charge, Histone charge, Net charge

    2.

    Double helix model for the structure of DNA was proposed by?

    A

    Watson and Crick

    B

    Wilkins and Franklin

    C

    Crick and Wilkins

    D

    Franklin and Watson

    Question Tags
    πŸ“š Subject:Botany
    πŸ“‘ Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :DNA structure, scientific discovery

    3.

    The central dogma in molecular biology was proposed by?

    A

    Watson

    B

    Wilkins

    C

    Crick

    D

    Franklin

    Question Tags
    πŸ“š Subject:Botany
    πŸ“‘ Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Central Dogma of Molecular Biology, History of Biology

    4.

    Nucleosome model is proposed by?

    A

    Kornberg

    B

    Thomas

    C

    1 and 2

    D

    Crick

    Question Tags
    πŸ“š Subject:Botany
    πŸ“‘ Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Nucleosome, DNA Packaging, Histones

    5.

    Which of the following is NOT a characteristic of RNA?

    A

    It is single-stranded.

    B

    It contains uracil.

    C

    It has ribose sugar.

    D

    It forms a double helix structure.

    Question Tags
    πŸ“š Subject:Botany
    πŸ“‘ Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    PYQ YEAR: 2015
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :RNA structure, Nucleotides, DNA vs RNA

    6.

    The central dogma in molecular biology was proposed by?

    A

    Watson

    B

    Wilkins

    C

    Crick

    D

    Franklin

    Question Tags
    πŸ“š Subject:Botany
    πŸ“‘ Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Central dogma of molecular biology, History of science

    7.

    The sugar molecule present in RNA is:

    A

    Deoxyribose

    B

    Glucose

    C

    Fructose

    D

    Ribose

    Question Tags
    πŸ“š Subject:Botany
    πŸ“‘ Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    PYQ YEAR: 2015
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :RNA structure, Carbohydrates

    8.

    Which histone is absent in nucleosomecore.

    A

    H1{H_1}

    B

    H2B{H_2}B

    C

    H2A{H_2}A

    D

    H4{H_4}

    Question Tags
    πŸ“š Subject:Botany
    πŸ“‘ Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :histones, nucleosome, chromatin

    9.

    If a DNA sequence is same as that of a mRNA copy that is translated into protein, it is called

    A

    Sense

    B

    Antisense

    C

    Intron

    D

    Exon

    Question Tags
    πŸ“š Subject:Botany
    πŸ“‘ Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :DNA, mRNA, sense strand, antisense strand, gene expression

    10.

    SS DNA is present in?

    A

    TMV

    B

    Polio Virus

    C

    Pox Virus

    D

    Ο•imes174\phi imes 174 bacteriophage

    Question Tags
    πŸ“š Subject:Botany
    πŸ“‘ Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Viral genome, Single-stranded DNA

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