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

    Related Questions

    1.

    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

    2.

    What radioactive element was used to label the protein part of the bacteriophage in the Hershey-Chase experiment?

    A

    Sulfur (35S)

    B

    Phosphorus (32P)

    C

    Nitrogen (15N)

    D

    Carbon (14C)

    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 :Hershey-Chase Experiment, Radioactive Labeling, DNA, Protein

    3.

    In their side by side experiments Hershy and chase incorporated 35S{}^{35}S into?

    A

    Bacterial DNA

    B

    Protein Capsid of Phage

    C

    Cytoplasm of bacteria

    D

    Phage DNA

    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, radioactive labeling, bacteriophage structure, protein vs DNA

    4.

    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

    5.

    If Hershey and Chase had found both 32P and 35S inside the bacteria, what would have been the conclusion of their experiment regarding the genetic material?

    A

    DNA is the genetic material

    B

    Protein is the genetic material

    C

    Both DNA and protein are the genetic material

    D

    The experiment would be inconclusive regarding which molecule is the genetic material

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

    6.

    In the Hershey-Chase experiment, why was radioactive sulfur (35S) used to label phage proteins?

    A

    Sulfur is a component of both DNA and protein

    B

    Sulfur is a component of proteins but not DNA

    C

    Sulfur is easily detectable in bacterial cells

    D

    Sulfur is a common component of bacterial cell walls

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

    7.

    What was the key observation in the Hershey-Chase experiment that supported DNA as the genetic material?

    A

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

    B

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

    C

    Both radioactive sulfur and phosphorus were found inside the bacterial cells.

    D

    Neither radioactive sulfur nor phosphorus were found inside the bacterial cells.

    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, DNA, Radioactive labeling

    8.

    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

    9.

    Which scientist's experiment definitively proved that DNA is the genetic material?

    A

    Hershey and Chase

    B

    Avery, MacLeod, and McCarty

    C

    Griffith

    D

    Meselson and Stahl

    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 :DNA, Genetic Material, Hershey-Chase Experiment

    10.

    The definitive evidence establishing DNA as the genetic material was derived from the experiments of:

    A

    James Watson and Francis Crick

    B

    Frederick Griffith

    C

    Oswald Avery, Colin MacLeod, and Maclyn McCarty

    D

    Alfred Hershey and Martha Chase

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

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