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12th Standard Zoology - Environmental Issues English Medium Free Online Test One Mark Questions 2020 - 2021

12th Standard

    Reg.No. :
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Zoology

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

    Answer all the questions

    10 x 1 = 10
  1. Right to Clean Water is a fundamental right, under the Indian Constitution

    (a)

    Article 12

    (b)

    Article 21

    (c)

    Article 31

    (d)

    Article 41

  2. The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as

    (a)

    Biomagnification

    (b)

    Bioremediation

    (c)

    Biomethanation

    (d)

    Bioreduction

  3. The Hydrochlorofluorocarbons (HCFCs) are the compounds which have the following molecules:

    (a)

    Hydrogen

    (b)

    Carbon

    (c)

    Chlorine

    (d)

    Fluorine

  4. The tolerable level of sound is _____________

    (a)

    140 db

    (b)

    120 db

    (c)

    100 db

    (d)

    2220 db

  5. The 2018 UN climate change conference was held in ___________

    (a)

    Rwanda

    (b)

    New York

    (c)

    Russia

    (d)

    Poland

  6. Kyoto Protocol was endorsed at

    (a)

    CoP - 3

    (b)

    CoP - 5

    (c)

    CoP - 6

    (d)

    CoP - 4

  7. A lake which is rich in organic waste may result in

    (a)

    Drying of the lake due to algal bloom

    (b)

    Increased population of fish due to lots of nutrients

    (c)

    Mortality of fish due to lack of oxygen

    (d)

    Increases population of aquatic organisms due to minerals

  8. The intensity of noise is measured in_______

    (a)

    Dobson

    (b)

    Hertz

    (c)

    Decibel

    (d)

    Frequency

  9. UN conference on Sustainable development in 2012 was held at_______

    (a)

    Ruanda

    (b)

    Rio de Janeiro

    (c)

    Geneva

    (d)

    Stockholm

  10. What is the name of the action plan for sustainable development framed in Rio conference in 1992?

    (a)

    Action 21

    (b)

    Declaration 21

    (c)

    Protocol 21

    (d)

    Agenda 21

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