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Environmental Issues · Question 73

AIPMT 2005MCQEasy📈 Topic in 12% papers+4−1
1

Which of the following is not used for disinfection of drinking water ?

  1. Chloramine
  2. Ozone
  3. Chlorine
  4. Phenyle

Answer

(4) Phenyle

Solution

Chlorine, chloramine and ozone are used to kill germs in drinking water (chlorination and ozonisation).

Phenyle is a strong-smelling, poisonous phenolic disinfectant used for floors and drains; it is not added to drinking water.

Answer: (4)

Out of syllabusAIPMT 2005

Keep practising — Environmental Issues

2

Identify the correctly matched pair -

  1. Basel Convention – Biodiversity Conservation
  2. Kyoto Protocol – Climatic change
  3. Ramsar Convention – Ground water pollution
  4. Montreal Protocol – Global warming
Out of syllabusAIPMT 2005
3

Which one of the following pairs is mismatched ?

  1. Fossil fuel burning – release of CO2
  2. Nuclear power – radioactive wastes
  3. Biomass burning – release of CO2
  4. Solar energy – greenhouse effect
Out of syllabusAIPMT 2005
4

In 1984, the Bhopal gas tragedy took place because methyl isocyanate :-

  1. Reacted with DDT
  2. Reacted with water
  3. Reacted with ammonia
  4. Reacted with CO2
Out of syllabusAIPMT 2004
5

Lead concentration in blood is considered alarming if it is -

  1. 4-6 g/100 mL
  2. 30 g/100 mL
  3. 20 g/100 mL
  4. 10 g/100 mL
Out of syllabusAIPMT 2004
6

Common indicator organism of water pollution is :-

  1. Escherichia coli
  2. Lemna paucicostata
  3. Entamoeba histolytica
  4. Eichhornia crassipes
Out of syllabusAIPMT 2004
7

Fluoride pollution mainly affects :-

  1. Heart
  2. Kidney
  3. Brain
  4. Teeth
Out of syllabusAIPMT 2003
8

Escherichia coli is used as an indicator organism to determine pollution of water with :-

  1. Faecal matter
  2. Pollen of aquatic plants
  3. Heavy metals
  4. Industrial effluents
Out of syllabusAIPMT 2003
9

Which of the following is absent in polluted water?

  1. Larva of stone fly
  2. Hydrilla
  3. Blue-green algae
  4. Water hyacinth
Out of syllabusAIPMT 2002
10

Maximum greenhouse gas is released by which country?

  1. France
  2. Britain
  3. India
  4. U.S.A.
Out of syllabusAIPMT 2002
11

What is the intensity of sound in normal conversation?

  1. 30–60 dB
  2. 10–20 dB
  3. 120–150 dB
  4. 70–90 dB
Out of syllabusAIPMT 2001

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