Science

10th

grade

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Chapter : 15 Our Environment

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  • 1. Multiple Choice
    45 seconds
    1 pt

    Name the body parts of our body which help us in digestion of food.

    Hormones

    Enzymes

    Stomach

    Mouth

  • 2. Multiple Choice
    45 seconds
    1 pt

    Which man-made material does not decompose by microbacterial reaction ?

    Human flesh

    Dead animal flesh

    Bark of plant

    Plastic

  • 3. Multiple Choice
    45 seconds
    1 pt

    Give example of biodegradable substance from the following –

    Shrub

    Glass

    Plastic

    Polythene

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