Biology, Science

12th

grade

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General Biology 2 (Practice)

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3 questions

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  • 1. Multiple Choice
    45 seconds
    1 pt

    Which of the following statements about mutation is true?

    Mutations are not random.

    Mutation gives rise to new alleles that may be harmful or beneficial.

    Mutations respond to selective measures by producing new forms of genes that are needed at the moment.

    All of the above

  • 2. Multiple Choice
    45 seconds
    1 pt

    Which of the following is post-zygotic isolation?

    Gametic

    Behavioral

    Inviability

    Geographical

  • 3. Multiple Choice
    45 seconds
    1 pt

    Which of the following is known as the calendar of Earth history?

    Geologic Time Scale

    Sundial

    Time Machine

    Fossilization

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