1.

    Which of the following radioisotope is not suitable for DNA labeling based studies?

    A

    H3{{\rm{H}}^3}

    B

    P32{{\rm{P}}^{32}}

    C

    N15{{\rm{N}}^{15}}

    D

    S35{{\rm{S}}^{35}}

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:The Search Of Genetic Material
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    âš¡ Time Required :2 mins
    🔄Ncert Concepts :DNA structure, radioisotopes, biomolecule labeling

    Related Questions

    1.

    Griffith conducted his transformation experiments on?

    A

    E. Coli

    B

    Tetracoccus

    C

    Diplococcus

    D

    Penicillin

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:The Search Of Genetic Material
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    âš¡ Time Required :1 mins
    🔄Ncert Concepts :Griffith's transformation experiment, bacterial genetics

    2.

    Hershey and Chase utilized bacteriophages to demonstrate that DNA is the genetic material. What is a bacteriophage?

    A

    A type of bacteria

    B

    A bacterial enzyme

    C

    A virus that infects bacteria

    D

    A component of bacterial DNA

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:The Search Of Genetic Material
    PYQ YEAR: 2023
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    âš¡ Time Required :1 mins
    🔄Ncert Concepts :DNA as genetic material, Hershey-Chase experiment

    3.

    If a segment of double-stranded DNA has 20% adenine, what percentage of guanine would it contain?

    A

    20%

    B

    30%

    C

    40%

    D

    50%

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:The Search Of Genetic Material
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    âš¡ Time Required :1 mins
    🔄Ncert Concepts :Chargaff's Rule, DNA Base Composition, DNA Structure

    4.

    Avery, MacLeod, and McCarty purified the 'transforming principle' identified by Griffith. Which treatment specifically abolished the transforming activity, proving its chemical nature?

    A

    Protease

    B

    Ribonuclease

    C

    Deoxyribonuclease

    D

    Lipase

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:The Search Of Genetic Material
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    âš¡ Time Required :1 mins
    🔄Ncert Concepts :Avery-MacLeod-McCarty Experiment, DNA, Transforming Principle, Genetic Material

    5.

    Which of the following radioisotope is not suitable for DNA labeling based studies?

    A

    H3{{\rm{H}}^3}

    B

    P32{{\rm{P}}^{32}}

    C

    N15{{\rm{N}}^{15}}

    D

    S35{{\rm{S}}^{35}}

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:The Search Of Genetic Material
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    âš¡ Time Required :2 mins
    🔄Ncert Concepts :DNA structure, radioisotopes, biomolecule labeling

    6.

    In his bacteriophage experiments, Hershey and Chase demonstrated that DNA is genetic material in

    A

    TMV

    B

    EscherichiacoliEscherichia{\rm{ }}coli

    C

    T2{T_2} bacteriophage

    D

    DiplococcuspneumoniaeDiplococcus{\rm{ }}pneumoniae

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:The Search Of Genetic Material
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    âš¡ Time Required :1 mins
    🔄Ncert Concepts :Hershey-Chase experiment, genetic material, bacteriophage

    7.

    In Hershey and Chase's experiment, what was the key observation that supported DNA as the genetic material?

    A

    Radioactive sulfur (35S^{35}S) was found inside the bacteria.

    B

    Radioactive phosphorus (32P^{32}P) remained outside the bacteria.

    C

    Both radioactive sulfur (35S^{35}S) and phosphorus (32P^{32}P) were found inside the bacteria.

    D

    Radioactive phosphorus (32P^{32}P) was found inside the bacteria.

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:The Search Of Genetic Material
    PYQ YEAR: 2017
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    âš¡ Time Required :1 mins
    🔄Ncert Concepts :Molecular Basis of Inheritance, DNA as Genetic Material

    8.

    In Griffith's experiment, which strain of Streptococcus pneumoniae caused the death of mice?

    A

    S strain (smooth)

    B

    R strain (rough)

    C

    Heat-killed S strain

    D

    Heat-killed R strain

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:The Search Of Genetic Material
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    âš¡ Time Required :0.5 mins
    🔄Ncert Concepts :Griffith's Experiment, Bacterial Transformation, Streptococcus pneumoniae

    9.

    What was the transforming principle identified by Avery, MacLeod, and McCarty?

    A

    Protein

    B

    RNA

    C

    DNA

    D

    Carbohydrates

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:The Search Of Genetic Material
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    âš¡ Time Required :1 mins
    🔄Ncert Concepts :Avery-MacLeod-McCarty experiment, DNA, Bacterial Transformation

    10.

    Which enzyme was used by Avery, MacLeod and McCarty to prove that DNA is the genetic material?

    A

    RNase

    B

    Protease

    C

    DNase

    D

    Lipase

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Molecular Basis of Inheritance
    🎯Topic:The Search Of Genetic Material
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    âš¡ Time Required :1 mins
    🔄Ncert Concepts :Avery-MacLeod-McCarty experiment, DNA, Enzymes

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