1.

    A mutation changes a codon from UCG to UAG. This mutation is a:

    A

    Missense mutation

    B

    Silent mutation

    C

    Frameshift mutation

    D

    Nonsense mutation

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    🎓 Ncert Level:Understanding
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Mutations, Genetic Code

    Related Questions

    1.

    Which of the following sugars is found in nucleic acid?

    A

    Glucose

    B

    Fructose

    C

    Both ribose and deoxyribose

    D

    Sucrose

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Biochemistry, Nucleic Acids, Sugars, Deoxyribose

    2.

    Which of the following is in correct w.r.t nucleosides?

    A

    Cytosine

    B

    Guanosine

    C

    Adenosine

    D

    Uridine

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Nucleosides, Nitrogenous bases, Biochemistry

    3.

    A nucleoside is

    A

    Purine/pyrimidine+phosphate

    B

    Purine/pyrimidine+sugar

    C

    Pyrimidine+purine+phosphate

    D

    Purine+sugar+phosphate

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Nucleoside structure, Biochemistry

    4.

    5-Methyl Uracil, another chemical name for?

    A

    Uracil

    B

    Thymine

    C

    Adenine

    D

    Guanine

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :biochemistry, nucleic acids, nucleotide bases

    5.

    The backbone of a polynucleotide chain is formed due to?

    A

    Sugar

    B

    Phosphate

    C

    Nitrogen base

    D

    Both 1 and 2

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :polynucleotide structure, sugar-phosphate backbone, biochemistry

    6.

    One of the nucleotides of DNA is

    A

    Adenine

    B

    Deoxyadenylic acid

    C

    Adenosine

    D

    Deoxyuridine phosphate

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Nucleotides, DNA structure, Biochemistry

    7.

    Which of the following is in correct w.r.t nucleosides?

    A

    Cytosine

    B

    Guanosine

    C

    Adenosine

    D

    Uridine

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Nucleosides, Nucleobases, Biochemistry

    8.

    9 Membered dicyclic nitrogen bases are

    A

    Adenine

    B

    Guanine

    C

    Adenosine

    D

    1 and 2

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Biochemistry, Nitrogenous Bases, Nucleic Acids

    9.

    Which of the following sugars is found in nucleic acid?

    A

    Dextrose

    B

    Glucose

    C

    Levulose

    D

    Deoxyribose

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Biochemistry, Nucleic Acids, Sugars

    10.

    5-Methyl Uracil, another chemical name for?

    A

    Uracil

    B

    Thymine

    C

    Adenine

    D

    Guanine

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Biochemistry, Nucleic Acids, Nucleobases

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