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    S7 End-Of-unit Test 4

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    ali.mahmoud

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    S7 End-Of-unit Test 4

    Uploaded by

    ali.mahmoud
    66 views2 pages

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    Copyright:

    © All Rights Reserved
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    66 views2 pages

    S7 End-Of-unit Test 4

    Uploaded by

    ali.mahmoud

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
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    CAMBRIDGE LOWER SECONDARY SCIENCE 7: END-OF-UNIT TEST

    Name ___________________________________ Date _____________

    Disclaimer: This test and mark scheme have been written by the authors.

    End-of-unit test
    Unit 4
    1 Amal is writing a key to identify several species of snake.
    a Explain what is meant by the word species. [2]

    _______________________________________________________________________________

    _______________________________________________________________________________
    b The drawings show two of the snake species that Amal is including in his key.

    Write a question that Amal could put into the key that distinguishes between these two snake
    species. [1]

    _______________________________________________________________________________
    2 Living organisms share seven characteristics. These characteristics include reproduction, respiration,
    growth and excretion.
    a Write down two more characteristics of living things. [2]

    _____________________________________________________________________________

    _____________________________________________________________________________

    Cambridge Lower Secondary Science 7 – Mary Jones, Diane Fellowes-Freeman and Michael Smyth © Cambridge University Press 2021 1
    CAMBRIDGE LOWER SECONDARY SCIENCE 7: END-OF-UNIT TEST

    b Draw one line from each characteristic of living organisms to its meaning. [3]

    characteristic meaning

    respiration releasing energy from food inside cells

    growth removing unwanted substances from the body

    excretion a permanent increase in size

    3 a Give one reason why most scientists classify viruses as non-living.

    _______________________________________________________________________ [1]
    b Give one reason why some scientists classify viruses as living.

    _______________________________________________________________________ [1]

    [Total: 10]

    Cambridge Lower Secondary Science 7 – Mary Jones, Diane Fellowes-Freeman and Michael Smyth © Cambridge University Press 2021 2

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