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Environmental Issues · Question 31

AIPMT 2015MCQEasy📈 Topic in 38% papers+4−1
1

Which of the following are most suitable indicators of SO2 pollution in the environment?

  1. Conifers
  2. Fungi
  3. Algae
  4. Lichens

Answer

(4) Lichens

Solution

As per NCERT, lichens are very good pollution indicators – they do not grow in polluted areas.

∵ Lichens are highly sensitive to SO2 in the air, their absence or death shows SO2 pollution.

∴ Lichens are the most suitable indicators of SO2 pollution.

Answer: (4)

Out of syllabusAIPMT 2015

Keep practising — Environmental Issues

2

Increase in concentration of the toxicant at successive trophic levels is known as:

  1. Biomagnification
  2. Biotransformation
  3. Biodeterioration
  4. Biogeochemical cycling
Out of syllabusAIPMT 2015
3

The UN Conference of Parties on climate change in the year 2011 was held in :

  1. Peru
  2. Qatar
  3. Poland
  4. South Africa
Out of syllabusAIPMT 2015 (Cancelled)
4

Which of the following is not one of the prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone?

  1. Increased liver cancer
  2. Increased skin cancer
  3. Damage to eyes
  4. Reduced Immune System
Out of syllabusAIPMT 2015 (Cancelled)
5

High value of BOD (Biochemical Oxygen Demand) indicates that :

  1. water is highly polluted
  2. consumption of organic matter in the water is higher by the microbes
  3. water is pure
  4. water is less polluted
Out of syllabusAIPMT 2015 (Cancelled)
6

Rachel Carson's famous book "Silent Spring" is related to:

  1. Population explosion
  2. Pesticide pollution
  3. Ecosystem management
  4. Noise pollution
Out of syllabusAIPMT 2015 (Cancelled)
7

The zone of atmosphere in which the ozone layer is present is called :

  1. Mesosphere
  2. Stratosphere
  3. Ionosphere
  4. Troposphere
Out of syllabusAIPMT 2014
8

A scrubber in the exhaust of a chemical industrial plant removes :

  1. particulate matter of the size 5 micrometer or above
  2. particulate matter of the size 2.5 micrometer or less
  3. gases like ozone and methane
  4. gases like sulphur dioxide
Out of syllabusAIPMT 2014
9

Kyoto-Protocol was endorsed at :

  1. CoP-6
  2. CoP-4
  3. CoP-3
  4. CoP-5
Out of syllabusNEET 2013
10

Global warming can be controlled by :

  1. Increasing deforestation, slowing down the growth of human population
  2. Reducing deforestation, cutting down use of fossil fuel
  3. Increasing deforestation, reducing efficiency of energy usage
  4. Reducing reforestation, increasing the use of fossil fuel
Out of syllabusNEET 2013
11

The Air (Prevention and Control of Pollution) Act came into force in :

  1. 1985
  2. 1981
  3. 1990
  4. 1975
Out of syllabusNEET 2013

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