Environmental Issues Test

Question 1
4 / -1

The given figures represent two devices A and B used to control air pollution. Identify them and select the correct answer.

A

B

C

D

Question 2
4 / -1

Which of the following is a method used to get rid of particulate matter present in the exhaust from a thermal power plant?

A
Magnetic precipitators

B
Chromatography

C
Electrostatic precipitators

D
Mass spectrometry

Question 3
4 / -1

Given below is a diagram of electrostatic precipitator identify A, B, C and D and select the correct option.

A
A- Negatively charged wire, B- Negatively charged dust particles, C- Discharge corona, D- collection

B
A- Negatively charged wire, B- Discharge corona, C- Collection plate, D- Negatively charged dust particles

C
A- Positively charged wire, B- Positively charged dust particles, C- Discharge corona, D- Collection plate

D
A-Positively charged wire, B- Discharge corona, C- Collection plate, D- Positively charged dust particles

Question 4
4 / -1

Increased asthmatic attacks in certain seasons are related to

A
eating fruits preserved in tin containers

B
inhalation of seasonal pollen

C
low temperature

D
hot and humid environment

Question 5
4 / -1

Which of the following statements are correct?
(i) Benzene hexachloride (BHC) is a non-biodegradable pollutant.
(ii) Anthropogenic air pollutants are natural in origin.
(iii) Carbon monoxide is a primary air pollutant.
(iv) Sulphur dioxide causes brown air effect during traffic congestion in cities.

A
(i) and (iii)

B
(i) and (ii)

C
(ii) and (iii)

D
(ii) and (iv)

Question 6
4 / -1

In India, Air (Prevention and Control of Pollution ) Act came into force in the year 1981, but was amended in the year ____ to include ____ as an air pollutant.

A
1990, noise

B
1984, particulate matter

C
1987, PAN

D
1987, noise

Question 7
4 / -1

Which one of the following statements is incorrect regarding Bhopal gas tragedy?

A
Methyl isocyanate gas leakage took place

B
Thousands of human beings died

C
Radioactive fall out engulfed Bhopal

D
It took place in the night of December 2/3, 1984

Question 8
4 / -1

Which of the following is the way to control vehicular air-pollution in Indian cities?

A
Use of CNG as fuel

B
Reducing the use of unleaded petrol in the vehicles

C
Reducing the use of catalytic converter in the vehicles

D
All of these

Question 9
4 / -1

Read the given statements and select the correct option.
Statement 1: Traffic jams are likely to cause giddiness, exhaustion, reduced vision, etc.
Statement 2: Carbon monoxide from vehicles causes these problems by reducing O₂carrying capacity of haemoglobin.

A
Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1

B
Both statements 1 and 2 are correct and statement 2 is not the correct explanation of statement 1

C
Statement 1 is correct and statement 2 in incorrect

D
Both statement 1 and 2 are incorrect

Question 10
4 / -1

Study the following statements regarding acid rain and select the incorrect ones.
(i) Acid rain refers to the rainfall and other forms of precipitation with a pH of less than 5.
(ii) Oxides of sulphur and nitrogen are released from automobile exhausts, industries, power plants, etc.
(iii) These oxides of sulphur and nitrogen, may react with water in the air and form sulphuric acid (H2SO₄) and nitric acid (HNO₃)
(iv) Acid rain has harmful effects on animals and human beings but no characteristic impact on plants.

A
(i) and (iii)

B
(iii) and (iv)

C
(iv) only

D
(ii) only

Question 11
4 / -1

Chemicals responsible for the Bhopal gas tragedy were

A
CO₂ and CH₄

B
phosgene and methyl isocyanate

C
polychlorinated biphenyls

D
dichloro diphenyl trichloroethane

Question 12
4 / -1

Which of the following is the most dangerous metal pollutant of automobile exhaust?

A
Cadmium

B
Copper

C
Mercury

D
Lead

Question 13
4 / -1

Acid rains are produced by

A
Excess NO2 and SO2 from burning fossil fuels

B
Excess production of NH₃ by industrial and power plant

C
Excess release of carbon monoxide by incomplete combustion of fossil fuels

D
Excess release of CO₂ by combustion and animal respiration

Question 14
4 / -1

Lichens are the indicators of

A
water pollution

B
air pollution

C
soil pollution

D
all of these

Question 15
4 / -1

Choose the correct sequence of air pollution and its components with the effect it produces

A
chemical factory → NO_₂→ ozone hole

B
automobile exhaust → N_₂O → green house effect

C
heavy industry → CO_₂ → acid rain

D
knox gases → PAN → photochemical smog

Question 16
4 / -1

Chlorofluorocarbons are air polluting agents which are produced by

A
diesel trucks

B
jet planes

C
rice fields

D
cellphones

Question 17
4 / -1

Peroxyacyl nitrates (PAN) are formed through photo-chemical reactions between

A
sulphur oxides and hydrocarbons

B
nitrogen oxides and hydrocarbons

C
nitrogen oxides and O₃

D
CFCI₃ and O₃

Question 18
4 / -1

Given below are some differences between primary air pollutants and secondary air pollutants.
Which one of the following is an incorrect difference?

A
a

B
b

C
c

D
d

Question 19
4 / -1

Which one of the following statements regarding CO gas is correct?

A
It is produced by the complete combustion of fossil fuels.

B
It combines with haemoglobin to form carbamino-haemoglobin.

C
It impairs oxygen transport resulting in giddiness, headache, asphyxia and even death.

D
All of these.

Question 20
4 / -1

Select the incorrectly matched pair.

A
World Environment Day - June 5

B
Bhopal Gas Tragedy - Decmber 2/3, 1984

C
Air(Prevention and Control of Pollution) Act - 1981

D
Hiroshima Day - August 6, 1950

Submit Test

Environmental I...

Question 1

Question 2

Magnetic precipitators

Chromatography

Electrostatic precipitators

Mass spectrometry

Question 3

A- Negatively charged wire, B- Negatively charged dust particles, C- Discharge corona, D- collection

A- Negatively charged wire, B- Discharge corona, C- Collection plate, D- Negatively charged dust particles

A- Positively charged wire, B- Positively charged dust particles, C- Discharge corona, D- Collection plate

A-Positively charged wire, B- Discharge corona, C- Collection plate, D- Positively charged dust particles

Question 4

eating fruits preserved in tin containers

inhalation of seasonal pollen

low temperature

hot and humid environment

Question 5

(i) and (iii)

(i) and (ii)

(ii) and (iii)

(ii) and (iv)

Question 6

1990, noise

1984, particulate matter

1987, PAN

1987, noise

Question 7

Methyl isocyanate gas leakage took place

Thousands of human beings died

Radioactive fall out engulfed Bhopal

It took place in the night of December 2/3, 1984

Question 8

Use of CNG as fuel

Reducing the use of unleaded petrol in the vehicles

Reducing the use of catalytic converter in the vehicles

All of these

Question 9

Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1

Both statements 1 and 2 are correct and statement 2 is not the correct explanation of statement 1

Statement 1 is correct and statement 2 in incorrect

Both statement 1 and 2 are incorrect

Question 10

(i) and (iii)

(iii) and (iv)

(iv) only

(ii) only

Question 11

CO2 and CH4

phosgene and methyl isocyanate

polychlorinated biphenyls

dichloro diphenyl trichloroethane

Question 12

Cadmium

Copper

Mercury

Lead

Question 13

Excess NO2 and SO2 from burning fossil fuels

Excess production of NH3 by industrial and power plant

Excess release of carbon monoxide by incomplete combustion of fossil fuels

Excess release of CO2 by combustion and animal respiration

Question 14

water pollution

air pollution

soil pollution

all of these

Question 15

chemical factory → NO₂ → ozone hole

automobile exhaust → N₂O → green house effect

heavy industry → CO₂ → acid rain

knox gases → PAN → photochemical smog

Question 16

diesel trucks

jet planes

rice fields

cellphones

Question 17

sulphur oxides and hydrocarbons

nitrogen oxides and hydrocarbons

CO₂ and CH₄

Excess production of NH₃ by industrial and power plant

Excess release of CO₂ by combustion and animal respiration

chemical factory → NO_₂→ ozone hole

automobile exhaust → N_₂O → green house effect

heavy industry → CO_₂ → acid rain

nitrogen oxides and O₃

CFCI₃ and O₃