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Environmental Issues · Question 28

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

Acid rain is caused by increase in the atmospheric concentration of -

  1. SO3 and CO
  2. CO2 and CO
  3. O3 and dust
  4. SO2 and NO2

Answer

(4) SO2 and NO2

Solution

Sulphur dioxide and nitrogen dioxide released into the air are oxidised and dissolve in rain water to form sulphuric acid and nitric acid:

2SO2 + O2 + 2H2O 2H2SO4

4NO2 + O2 + 2H2O 4HNO3

Acid rain is caused by an increase in SO2 and NO2.

Answer: (4)

Out of syllabusAIPMT 2015

Keep practising — Environmental Issues

2

Eutrophication of water bodies leading to killing of fishes is mainly due to nonavailability of

  1. light
  2. food
  3. essential minerals
  4. oxygen
Out of syllabusAIPMT 2015
3

The UN conference of Parties on climate change in the year 2012 was held at:

  1. Lima
  2. Warsaw
  3. Doha
  4. Durban
Out of syllabusAIPMT 2015
4

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

  1. Conifers
  2. Fungi
  3. Algae
  4. Lichens
Out of syllabusAIPMT 2015
5

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
6

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)
7

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)
8

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)
9

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)
10

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
11

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

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