1.

    Protocells are considered a key step in the origin of life. Which of the following is NOT a characteristic typically associated with protocells?

    A

    Membrane-bound compartments

    B

    Simple metabolic activity

    C

    Ability to undergo fission

    D

    Developed DNA replication mechanisms

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Genetic Evolution
    🎯Topic:Origin Of Life
    🎓 Ncert Level:Understanding
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Origin of Life, Protocells

    Related Questions

    1.

    Synthesis of amino acids to prove that amino acids were formed in primitive ocean was experimentally proved by

    A

    Sydney Fox

    B

    Oparin

    C

    Haldane

    D

    Stanley Miller

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Genetic Evolution
    🎯Topic:Origin Of Life
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Origin of Life, Miller-Urey Experiment, Amino Acid Synthesis

    2.

    Coacervates are

    A

    Protobionts having polysaccharide, protein and H2O{{\rm{H}}_2}{\rm{O}}

    B

    Protein aggregate

    C

    Protein and lipid aggregates

    D

    None of the above

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Genetic Evolution
    🎯Topic:Origin Of Life
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Coacervates, Protobionts, Prebiotic chemistry

    3.

    Origin of life occurred in

    A

    Precambrian

    B

    Coenozoic

    C

    Palaeozoic

    D

    Mesozoic

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Genetic Evolution
    🎯Topic:Origin Of Life
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Geological time scale, Origin of life

    4.

    The Miller-Urey experiment attempted to simulate:

    A

    Photosynthesis

    B

    Respiration

    C

    Early Earth conditions to test the chemical origin of life

    D

    Formation of the ozone layer

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Genetic Evolution
    🎯Topic:Origin Of Life
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Origin of Life, Miller-Urey Experiment

    5.

    Which units are used to measure the stellar distances

    A

    cmscms

    B

    Metres

    C

    A0{A^0}

    D

    Light years

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Genetic Evolution
    🎯Topic:Origin Of Life
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Units of measurement, Astronomical distances

    6.

    Creation of new taxa is focussed in

    A

    Macro-evolution

    B

    Theory of special creation

    C

    Sympatric speciation

    D

    Theory of pangenesis

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Genetic Evolution
    🎯Topic:Origin Of Life
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Macroevolution, Speciation, Evolutionary Biology

    7.

    First autotrophs on the primitive earth was/were

    A

    Aerobic

    B

    anaerobic

    C

    Both (1) and (2)

    D

    Photosynthetic protist

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Genetic Evolution
    🎯Topic:Origin Of Life
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :autotrophs, primitive earth, aerobic, anaerobic, photosynthesis

    8.

    Coacervates belong to category of

    A

    Cyanobacteria

    B

    Protozoans

    C

    Molecular aggregates

    D

    Molecular aggregate surrounded by lipid membrane

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Genetic Evolution
    🎯Topic:Origin Of Life
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Coacervates, Origin of Life, Prebiotic Chemistry

    9.

    Miller and Urey performed an experiment to prove the origin of life. They took gases NH3 and H2{\rm{N}}{{\rm{H}}_3}{\rm{\, and \,}}{{\rm{H}}_2}along with

    A

    N2 and H2O{{\rm{N}}_2}{\rm{ \,and \,}}{{\rm{H}}_2}{\rm{O}}

    B

    H2O and CH4{{\rm{H}}_2}{\rm{O \,and\, C}}{{\rm{H}}_4}

    C

    CH4 and N2{\rm{C}}{{\rm{H}}_4}{\rm{\, and\, }}{{\rm{N}}_2}

    D

    CO2 and NH3{\rm{C}}{{\rm{O}}_2}{\rm{\, and\, N}}{{\rm{H}}_3}

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Genetic Evolution
    🎯Topic:Origin Of Life
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Miller-Urey experiment, origin of life, prebiotic conditions

    10.

    The first enzyme on the primitive earth was/were

    A

    Proteins

    B

    DNA

    C

    RNA

    D

    Amino acids

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Genetic Evolution
    🎯Topic:Origin Of Life
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Origin of Life, Enzymes, RNA World Hypothesis

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