T3 - Our Environment English Medium Free Online Test 1 Mark Questions 2020-2021

6th Standard

    Reg.No. :
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Science

Time : 00:10:00 Hrs
Total Marks : 10

    Part A

    10 x 1 = 10
  1. Identify the fresh water ecosystem.

    (a)

    Pond

    (b)

    Lake

    (c)

    River

    (d)

    All of them

  2. Producers are________

    (a)

    Animals

    (b)

    Birds

    (c)

    Plants

    (d)

    Snakes

  3. It is a biodegradable waste.

    (a)

    Plastic

    (b)

    Coconut Shell

    (c)

    Glass

    (d)

    Aluminium

  4. It is an undesirable change that occurs in air and water.

    (a)

    Recycling

    (b)

    Reuse

    (c)

    Pollution

    (d)

    Reduce

  5. Usage of chemical pesticides and fertilisers causes ________ pollution.

    (a)

    Air pollution

    (b)

    Water pollution

    (c)

    Noise pollution

    (d)

    None of the above

  6. ____________ is the damage caused to the environment mainly because of human activities.

    (a)

    Pollution

    (b)

    Pollutant

    (c)

    Abiotic factors

    (d)

    Biotic factors

  7. Any substance that causes pollution is known as a _________________ 

    (a)

    pollution

    (b)

    pollutant

    (c)

    abiotic factors

    (d)

    biotic factors

  8. _____________ are non-living parts such as sunlight, air, water and minerals in soil.

    (a)

    Pollution

    (b)

    Pollutant

    (c)

    Abiotic factors

    (d)

    Biotic factors

  9. ___________________ are living things of our environment such as plants, animals, bacteria and more.

    (a)

    Pollution

    (b)

    Pollutant

    (c)

    Abiotic factors

    (d)

    Biotic factors

  10. A _____________ is very useful to show the many different feeding relationships between, different species within an ecosystem

    (a)

    food web

    (b)

    food chain

    (c)

    producers

    (d)

    decomposers

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