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Biotechnology

Written by Dr. Hira Salman (Biology)

6 Class 10 Biology questions with answers and explanations.

Printable worksheet with answer key

All questions with answers

  1. Biotechnology uses:

    • 1 Living organisms to make useful products
    • 2 Only metals
    • 3 Only machines
    • 4 Only chemicals
    Show answer

    Correct answer: Living organisms to make useful products

    Biotechnology uses living things such as bacteria and yeast.

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  2. Yoghurt is made using:

    • 1 Protozoa
    • 2 Viruses
    • 3 Bacteria
    • 4 Algae
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    Correct answer: Bacteria

    Lactobacillus bacteria ferment milk.

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  3. Insulin for diabetics is now made by:

    • 1 Plants only
    • 2 Chemical heating
    • 3 Mining
    • 4 Genetically modified bacteria
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    Correct answer: Genetically modified bacteria

    The human insulin gene is placed in bacteria which then make insulin.

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  4. A clone is:

    • 1 A fossil
    • 2 A genetically identical copy
    • 3 A mutant
    • 4 A hybrid
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    Correct answer: A genetically identical copy

    Clones have the same genetic material as the original.

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  5. Bread rises because yeast produces:

    • 1 Carbon dioxide
    • 2 Hydrogen
    • 3 Nitrogen
    • 4 Oxygen
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    Correct answer: Carbon dioxide

    Fermentation releases CO2 that makes the dough rise.

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  6. A genetically modified organism has had its:

    • 1 Genes changed
    • 2 Size measured
    • 3 Name changed
    • 4 Colour painted
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    Correct answer: Genes changed

    Genes from another species are added.

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More Biology topics
Gaseous exchange
Homeostasis
Coordination and control
Support and movement
Reproduction
Inheritance
Man and his environment
Pharmacology