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Class 11 The Living World worksheet

CBSE Biology. Characteristics of life, taxonomic categories, binomial nomenclature, taxonomic aids. Every sheet has 20 questions in three sections and an answer key, and the numbers change every time.

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Sample questions

Real questions from this chapter, as the app sets them. Tap Answer to see the answer and working.

Section A · multiple choice

  1. 1.

    The basic unit of classification is the:

    1. family
    2. kingdom
    3. genus
    4. species
    Answer

    (d) species

  2. 2.

    Which is the correct way to write the scientific name of tiger?

    1. Panthera tigris
    2. panthera tigris
    3. Panthera Tigris
    4. PANTHERA TIGRIS
    Answer

    (a) Panthera tigris

    genus with a capital letter, specific epithet with a small letter, printed in italics

  3. 3.

    The scientific name of neem is:

    1. Homo sapiens
    2. Panthera tigris
    3. Felis catus
    4. Azadirachta indica
    Answer

    (d) Azadirachta indica

Section B · short answer

  1. 4.

    Why is growth not a defining property of living organisms?

    Answer

    Non-living things such as mountains and crystals also increase in mass, and many organisms (such as a mature human) stop growing; so growth alone does not mark something as living.

  2. 5.

    Write the scientific name of banyan, and name its genus and specific epithet.

    Answer

    Ficus benghalensis: genus Ficus, specific epithet benghalensis

    genus first, with a capital letter

Section C · long answer

  1. 6.

    What are the characteristics of living organisms? Which of them are defining properties?

    Answer

    Growth, reproduction, metabolism, response to stimuli (consciousness), cellular organisation. Growth and reproduction are not defining, because some non-living things grow and some living things do not reproduce. Metabolism, cellular organisation and consciousness are defining properties of life.

Fresh sheets for your child

In the app, every The Living World sheet is new: the app remembers the questions your child has already had and leaves them out. Print the sheet as a PDF, or use notebook mode and write the answers in a notebook.

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