1.

    Reverse transcription is seen in?

    A

    Bacteria

    B

    Retro Virus

    C

    TMV

    D

    HIV, Virus

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

    Related Questions

    1.

    The central dogma in molecular biology was proposed by?

    A

    Watson

    B

    Wilkins

    C

    Crick

    D

    Franklin

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Central dogma of molecular biology, History of science

    2.

    Which of the following is NOT a crucial characteristic for a molecule to serve as genetic material?

    A

    Stable

    B

    Replicable

    C

    Capable of expressing information

    D

    Readily degradable

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    PYQ YEAR: 2016
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Genetics, DNA, RNA

    3.

    Guanine constitutes 15% of the nucleotides in a sample of DNA. What percentage of the nucleotides in this sample will be Adenine?

    A

    15%

    B

    25%

    C

    35%

    D

    20%

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    PYQ YEAR: 2021
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :DNA, Chargaff's Rule, Base Pairing

    4.

    Which of the following statements regarding histones is INCORRECT?

    A

    They are rich in basic amino acids like lysine and arginine.

    B

    They have a net positive charge at physiological pH.

    C

    Post-translational modifications of histones neutralize their positive charge.

    D

    They form the core of nucleosomes.

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    PYQ YEAR: 2021
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :DNA packaging, Histones, Cell Cycle

    5.

    Which of the following is NOT a component of a DNA nucleotide?

    A

    Deoxyribose sugar

    B

    Phosphate group

    C

    Nitrogenous base

    D

    Ribose sugar

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :DNA, Nucleotides, Sugar

    6.

    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

    7.

    The contribution of cytoplasmic DNA in cell’s total DNA is?

    A

    65 %65\,\%

    B

    1−5 %1 - 5\,\%

    C

    10−12 %10 - 12\,\%

    D

    0−0.5 %0 - 0.5\,\%

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :cytoplasmic DNA, total cellular DNA, percentage contribution

    8.

    In a DNA molecule, distance between two based is

    A

    2 nm/20Å

    B

    0.2 nm/2Å

    C

    3.4 nm/34Å

    D

    0.34 nm/3.4Å

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

    9.

    Which sugar is present in nucleic acid?

    A

    Pentose

    B

    Hexose

    C

    Fructose

    D

    Glucose

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:Dna
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :nucleic acids, monosaccharides, pentose, hexose

    10.

    In a dinucleotide, number of ester bonds formed between the two nucleotides is?

    A

    1

    B

    2

    C

    3

    D

    4

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

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