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Evolution BIOLOGY - Evolution

Rajasthan Board (RBSE) - STD 12 Science - BIOLOGY (Rajasthan - English Medium). 647 questions in this chapter.

Question types

Evolution question types

647 questions across 6 question groups — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.

647
Questions
6
Question groups
5
Question types
Sample Questions

Evolution questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1M.C.Q (0.5 Marks)1 Mark
Identify the examples of convergent evolution from the following:
    • A
      Flippers of penguins and dolphins.
    • B
      Eyes of octopus and mammals.
    • C
      Vertebrate brains.
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    Q 2M.C.Q (0.5 Marks)1 Mark
    Which of the following humans started burying the dead in the ground ?
    • A
      Australopithecine human
    • B
      Homo habilis
    • C
      Ramapithecus human
    • ✓
      Neanderthal human

    Answer: D.

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    Q 4M.C.Q (0.5 Marks)1 Mark
    Occurrence of endemic species in South-America and Australia is due to:
    • A
      These species have been extinct from other regions.
    • B
      Continental separation.
    • C
      There is no terrestrial route to these places.
    • D
      Retrogressive evolution.
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    Q 5M.C.Q (0.5 Marks)1 Mark
    Random genetic drift in a population probably results from:
    • A
      Large population size.
    • B
      Highly genetically variable individuals.
    • C
      Interbreeding within this population.
    • D
      Constant low mutation rate.
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    Q 121.5 Marks Questions2 Marks
    Select two pairs from the following which exhibit divergent evolution. Give reasons for your answer.
    1. Forelimbs of cheetah and mammals.
    2. Flippers of dolphins and penguins.
    3. Wings of butterflies and birds.
    4. Forelimbs of whales and mammals.
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    Q 131.5 Marks Questions2 Marks
    Select the analogous structures from the combinations given below:
    1. Forelimbs of whales and bats
    2. Eyes of octopus and mammals
    3. Tuber of sweet potato and potato
    4. Thorns of Bougainvillea and tendrils of Cucurbita
    1. ​​​​​​​State the kind of evolution they represent.
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    Q 141.5 Marks Questions2 Marks
    1. Select the homologous structures from the combinations given below:
    1. Forelimbs of whales and bats.
    2. Tuber of potato and sweet potato.
    3. Eyes of octopus and mammals.
    4. Thorns of Bougainvillea and tendrils of Cucurbita.
    1. ​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​State the kind of evolution they represent.
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    Q 193 Marks Question3 Marks
    Rearrange Ramapithecus, Australopithecus and Homo habilis in the order of their evolution on the Earth. Comment on their evolutionary characteristics.
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    Q 213 Marks Question3 Marks
    1. Explain adaptive radiation with the help of a suitable example.
    2. Cite an example where more than one adaptive radiation have occurred in an isolated geographical area. Name the type of evolution your example depicts and state why it is so named.
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    Q 234 Marks Questions4 Marks
    Using various resources such as your school Library or the internet and discussions with your teacher, trace the evolutionary stages of any one animal say horse.
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