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12th Standard Zoology - Evolution English Medium Free Online Test One Mark Questions 2020 - 2021

12th Standard

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Zoology

Time : 00:10:00 Hrs
Total Marks : 10

    Answer all the questions

    10 x 1 = 10
  1. The first life on earth originated

    (a)

    in air

    (b)

    on land

    (c)

    in water

    (d)

    on mountain

  2. Which of the following was the contribution of Hugo de Vries?

    (a)

    Theory of mutation

    (b)

    Theory of natural Selection

    (c)

    Theory of inheritance of acquired characters

    (d)

    Germplasm theory

  3. The golden age of reptiles was

    (a)

    Mesozoic era

    (b)

    Cenozoic era

    (c)

    Paleozoic era

    (d)

    Proterozoic era

  4. Modern man belongs to which period?

    (a)

    Quaternary

    (b)

    Cretaceous

    (c)

    Silurian

    (d)

    Cambrian

  5. The solar system is estimated to be ______years old.

    (a)

    4.5 billion years

    (b)

    4 billion years

    (c)

    4.5 billion years

    (d)

    6.4 billion years

  6. The term biogenesis was coined by

    (a)

    Thomas Huxley

    (b)

    Henry Bastian

    (c)

    Haldane

    (d)

    Weinberg

  7. Origin of fishes occurred in ___________ period

    (a)

    Devonian

    (b)

    Silurian

    (c)

    Cambrian

    (d)

    Permian

  8. _____________ is called age of Invertebrates

    (a)

    Cambrian

    (b)

    Devonian

    (c)

    Pennsylvanian

    (d)

    Mississippian

  9. Presence of tail in human baby is an example for ________________

    (a)

    Vestigial organ

    (b)

    Atavism

    (c)

    Homologous organ

    (d)

    Analogous organ

  10. According to Darwin, the organic evolution is due to

    (a)

    Intraspecific competition

    (b)

    Interspecific competition

    (c)

    Competition within closely related species.

    (d)

    Reduced feeding efficiency in one species due to the presence of interfering species.

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