Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

(2022-23) EDS > Enviromental Science (MCQs) Mian Shafique > Flashcards

Enviromental Science (MCQs) Mian Shafique Flashcards

1
Q

The densest of all the atmosphere layers is:

(a) Troposphere
(b) Stratosphere
(c) Mesosphere
(d) Ionosphere

A

(a) Troposphere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

All are particulate pollutants except:

(a) Dust
(b) Ozone
(c) Soot
(d) Smoke

A

(b) Ozone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
  1. Which Of the following is a secondary pollutant?
    (a) CO2
    (b) CO
    (c) O3
    (d) SO2
A

(c) O3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
  1. The supersonic jets cause pollution by the thinning of:

(a) C02 layer
(b) SO2 layer
(c) O3 layer
(d) 02 layer

A

(c) O3 layer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
  1. Carbon monoxide is a pollutant because:

(a) It reacts with O2
(b) It inhibits glycolysis
(c) Makes nervous system inactive
(d) Reacts with haemoglobin

A

(d) Reacts with haemoglobin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which material accounts for the greatest percentage of the weight of solid waste?

(a)Food waste
(b) Plastic
(c) Paper
(d) Yard waste

A

(c) Paper

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Typical modem municipal landfills contain which of the following?

(a) Monitoring wells
(b) Impermeable barriers
(c) Methane retrieval systems
(d) All of these

A

(d) All of these

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  1. Pollutants resulting from human activities are mainly discharged in:

(a) Overpopulated cities
(b) Industrial centres
(c) Rural area
(d) Both (a) and (b)

A

(d) Both (a) and (b)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
  1. Atmospheric pollution may be caused by:

(a) Forest fire
(b) Organic decay
(c) Automobile Exhaust
(d) All of these

A

(d) All of these

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
  1. Example of secondary pollutants is:

(a) SO2
(b) NO2
(c) CO
(d) All of these

A

(d) All of these

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Example of Secondry pollutants

a) Smog
B) O3
C) PAN
D) All of these

A

D) All of these

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Example of Secondry pollutants

a) Smog
B) O3
C) PAN
D) All of these

A

D) All of these

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
  1. Oxidation of sulfur in the fossil fuels mainly produces:

(a) NO
(b) SO3
(c) SO2
(d) Both (b) and (c)

A

(d) Both (b) and (c)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
  1. Carbon dioxide content in atmosphere is:

(c) 0.03% (d) 0.001%
(a)93% (b) 0.5% (a)

A

(c) 0.03%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
  1. The polluting strength of sewage is usually characterized by its:

(a) BOD
(b) Nitrogen
(d) Eutrophication
(c) Ozone content

A

(a) BOD

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  1. Which of the following on inhalation dissolved in the blood hemoglobin more rapidly than oxygen?

(b) Carbon monoxide
(a) Sulphur dioxide
(c) Ozone
(d) Nitrous oxide

A

Carbon monoxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q
  1. Smog is:

(a) A natural phenomenon (b) A combination of smoke and fog
(c) Is colourless (d) All of these

A

A combination of smoke and fog

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q
  1. The major photochemical oxidant is:

(a) Ozone
(b) Hydrogen peroxide
(c) Nitrogen oxides
(d) Peroxyl Acetyl Nitrate (PAN)

A

(a) Ozone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q
  1. Which of the following are likely to be present in photochemical smog?

(a) Sulphur dioxide
(b) Photochemical oxidants
(c) Volatile organic compounds
(d) All of these

A

(d) All of these

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q
  1. Which of the following devices is suitable for the removal of gaseous pollutants?

(a) Cyclone separator
(b) Electrostatic precipitator
(c) Baghouse filter
(d) All of these

A

(c) Baghouse filter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q
  1. Which of the following air pollution control devices is suitable for the removing the finest dust from the air?’

(a) Cyclone separator
(b) Electrostatic precipitator
(c) Fabric filter or baghouse
(d) Wet scrubber

A

(c) Fabric filter or baghouse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Biochemical Oxygen Demand measures:
(a) Industrial pollution
(b) Air pollution
(c) Pollution capacity of effects
(d) Dissolved O2 needed by microbes to decompose organic waste

A

(d) Dissolved O2 needed by microbes to decompose organic waste

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q
  1. Fluoride pollution mainly affects:

(a) Kidney
(b) Brain
(c) Heart
(d) Teeth

A

(d) Teeth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q
  1. Which of the following is a non-point source of water pollution?

(a) Factories
(b) Sewage treatment plants
(c) Urban and suburban lands
(d) All of these

A

(c) Urban and suburban lands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q
  1. Disease caused by eating fish inhabiting mercury contaminated water is:

(a) Bright’s disease
(b) Hiroshima episode
(c) Mina-mata disease
(d) Osteosclerosis

A

(c) Mina-mata disease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q
  1. Which of the following is not a marine pollutant?

(a) Oil (b) Plastics (c) Dissolved oxygen (d) All of these

A

(c) Dissolved oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q
  1. Which of the following is not a marine pollutant?

(a) Oil (b) Plastics (c) Dissolved oxygen (d) All of these

A

(c) Dissolved oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q
  1. Which of the following is not a marine pollutant?

(a) Oil (b) Plastics (c) Dissolved oxygen (d) All of these

A

(c) Dissolved oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q
  1. Which of the following is not a marine pollutant?

(a) Oil (b) Plastics (c) Dissolved oxygen (d) All of these

A

(c) Dissolved oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q
  1. Which of the following is not a marine pollutant?

(a) Oil (b) Plastics (c) Dissolved oxygen (d) All of these

A

(c) Dissolved oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q
  1. Noise is:
    (a) Loud sound (b) Sound of high frequency
    (c) Unwanted sound (d) Constant sound
A

(c) Unwanted sound

29
Q
  1. Sound becomes hazardous noise pollution at decibels.

(a) Above 30 (b) Above 80 (c) Above 100 (d) Above 120

A

(b) Above 80

30
Q
  1. Which of the following is a major source of thermal pollution in water bodies?

(a) Sewage treatment plant
(b) Solid waste disposal sites
(c) Thermal power plant
(d) All of these

A

(c) Thermal power plant

31
Q
  1. The highest heating valve is of:

(a) Garbage (b) Rubbish
(c) waste (d) Industrial waste

A

(d) Industrial waste

32
Q

Which of the following is a likely characteristic of hazardous waste?

(a) Ignitability
(b) Corrosivity
(c) Reactivity
(d) All of these

A

(d) All of these

32
Q

Which of the following is a likely characteristic of hazardous waste?

(a) Ignitability
(b) Corrosivity
(c) Reactivity
(d) All of these

A

(d) All of these

33
Q

Which of the following is a likely characteristic of hazardous waste?

(a) Ignitability
(b) Corrosivity
(c) Reactivity
(d) All of these

A

(d) All of these

34
Q

High level radioactive waste can be managed in which of the following ways?

(a) Open dumping
(b) Composting
(c) Incineration
(d) Deep well injection

A

(d) Deep well injection

35
Q
  1. Biomedical waste may be disposed of by:(a) Incineration (b) Autoclaving
    (c) Deep burial (d) All of these
A

(d) All of these

36
Q
  1. which of the following is a biodegradable organic chemical/substance?(a) Plastics (b) Oils (c) Pesticides (d) Garbage
A

(b) Oilsq

37
Q
  1. What is the harm from the depletion of Earth’s ozone layer?

(a) The average temperature of earth’s surface will increase gradually.
(b) The oxygen content of the atmosphere will decrease.
(c) Increased amount of Ultra violet radiation will reach earth’s surface.
(d) Sea levels will rise as the polar ice caps will gradually melt.

A

(c) Increased amount of Ultra violet radiation will reach earth’s surface.

38
Q
  1. Acid rain is formed due to contribution from the following pair of gases:

(a) Methane and ozone
(b) Oxygen and nitrous oxide
(c) Methane and sulphur dioxide
(d) Carbon dioxide and sulphur dioxide

A

(d) Carbon dioxide and sulphur dioxide

39
Q
  1. Which of the following is a prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone?

(a) Damage to digestive system
(b) Increased liver cancer
(c) Neurological disorder
(d) Increased skin cancer

A

(d) Increased skin cancer

40
Q
  1. The most serious environmental effect posed by hazardous wastes is:(a) Air pollution. (b) Contamination of groundwater.
    (c) Increased use of land for landfills. (d) Destruction of habitat.
A

(b) Contamination of groundwater.

41
Q
  1. The most serious environmental effect posed by hazardous wastes is:(a) Air pollution. (b) Contamination of groundwater.
    (c) Increased use of land for landfills. (d) Destruction of habitat.
A

(b) Contamination of groundwater.

42
Q
  1. The depletion in the Ozone layer is caused by:

(a) Nitrous oxide
(b) Carbon dioxide
(c) Chlorofluorocarbons
(d) Methane

A

(c) Chlorofluorocarbons

43
Q
  1. The presence of high coliform counts in water indicate:

(a) Contamination by human wastes.
(b) Phosphorus contamination.
(c) Decreased biological oxygen demand.
(d) Hydrocarbon contamination.

A

(a) Contamination by human wastes.

44
Q

How the biological oxygen demand gets affected with the increased presence of organic matter in water?

(a) The oxygen demand increases.
(b) The oxygen demand decreases.
(c) The oxygen demand remains unchanged.
(d) None of these

A

(a) The oxygen demand increases.

45
Q

Which of the following is a major air pollutant?

(a) Hormones	(b) Barrier methods
(c) Sterilization	(d) All of these
A

(d) All of these

46
Q

Which of the is considered as part of population planning?

(a) Hormones
(b) Barrier methods
(c) Sterilization
(d) All of these.

A

(d) All of these.

47
Q
  1. How much percentage of total water on earth is stored in oceans?

(a) 97%
(b) 70%
(c) 78 %
(d) 21%.

A

(a) 97%

48
Q
  1. Which of the following is not a major air pollutant?

(a) c02
(b) s03
(c) Nitrogen gas
(d) N02

A

(c) Nitrogen gas

49
Q
  1. The three primary soil macronutrients are:

(a) Carbon, oxygen, and water
(b) Copper, cadmium, and carbon
(c) Potassium. phosphorus. and nitrogen
(d) Boron, zinc, and manganese

A

(c) Potassium. phosphorus. and nitrogen

50
Q

Which of the following is negative effects on the soil and water due to conventional, mechanized farming practices?

(a) Soil compaction
(b) Reduction in soil organic matter
(c) Soil erosion
(d) All of these

A

(d) All of these

51
Q
  1. What is the correct sequence of the different layers of atmosphere as one proceeds upwards from the earth’s surface?

(a) Troposphere, Ionosphere, Stratosphere, Exosphere.
(b) Stratosphere, Exosphere, Ionosphere, Troposphere.
(c) Troposphere, Stratosphere. Ionosphere. Exosphere.
(d) Ionosphere, Stratosphere, Exosphere, Troposphere.

A

(c) Troposphere, Stratosphere. Ionosphere. Exosphere.

51
Q
  1. The altitude of troposphere at equator is:
    (a) 0-5 km
    (b) 0-12 km
    (c) 0-16 km
    (d) 0-80 km

50.

A

(b) 0-12 km

52
Q

The altitude Mesosphere at equator is:

(a) 0-5 km
(b) 0-12 km
(c) 0-16 km
(d) 0-80 km

A

(d) 0-80 km

53
Q

The boundary between the troposphere and stratosphere is called:

(a) Ozone layer	(b) Tropopause	(c) Mesosphere  (d) None of these
A

(b) Tropopause

54
Q
  1. Climate variations on the scale of hundreds of years may be caused by

(a) Solar radiation variation caused by orbital variations
(b) Changes in ocean currents
(c) Volcanic eruptions
(d) Plate tectonic cycles

A

(b) Changes in ocean currents

55
Q
  1. Carbon dioxide has been locked up over geological time as

(a) Part of the mantle
(b) Limestone and fossils
(c) Material dissolved in the oceans
(d) Material lost into space

A

(b) Limestone and fossils

56
Q
  1. Earth’s early greenhouse climate resulted in a climate much like______ that of today.

(a) Mercury
(b) Venus
(c) Mars
(d) Jupiter

A

(b) Venus

57
Q
  1. Which one refers to the oceans, seas, rivers, fresh water and underground water?

(a) Cryosphere (b) Atmosphere (c) Biosphere (d) Hydrosphere

A

(d) Hydrosphere

58
Q

Which of the following gases are included in the category ‘greenhouse gases’?

(a) Methane (b) Nitrous oxide (c) Carbon dioxide (d) All of these

A

(d) All of these

58
Q

Which of the following gases are included in the category ‘greenhouse gases’?

(a) Methane (b) Nitrous oxide (c) Carbon dioxide (d) All of these

A

(d) All of these

58
Q

Which of the following gases are included in the category ‘greenhouse gases’?

(a) Methane (b) Nitrous oxide (c) Carbon dioxide (d) All of these

A

(d) All of these

59
Q

This mechanism allows developed countries to mitigate theri emissions throug other developed countries

(a) Clean Development Mechanism
(b) Joint Implementation
(c) Technology Mechanism
(d) Emission Trading

A

(b) Joint Implementation

60
Q

Which mechanism allows countries to earn Certified Trading Reduction (CER) units?

(a) Emissions Trading
(b) Joint Implementation
(c) Clean Development Mechanism
(d) Emissions Emission

A

(a) Emissions Trading

61
Q
  1. Countries in which region have achieved maximum Mechanism reductions compared to the 1990 levels.

(a) Europe (b) North America (c) the East Asia (d) South Asia

A

(a) Europe

62
Q

Which gas Was added to the list of GHG under the protocol in the second commitment period ?

(a) Nitrogen trifluoride (NF3)
(b) Water Wapor (HO)
(c) Carbon Monoxide (CO)
(d) Methane (CHO

A

(a) Nitrogen trifluoride (NF3)

63
Q
  1. The time gap between the adoption Of Kyoto Protocol and its entry into force occured due to the following reason:

(a) The document was not ratified by the US Congress.
(b) The document was not ready until 2005.
(c) The document was not ratified b sufficient number of countries.
(d) The document was not meant to enter into force before 2005.

A

(c) The document was not ratified b sufficient number of countries.

64
Q
  1. Which of the following was not achieved by Kyoto Protocol’s first commitment period?

(a) Establishment of Adaptation Fund.
(b) Decrease in global emissions by 5% compared to 1990 level’.
(c) Establishment of Technology Transfer Mechanisms.
(d) Success of CDM.

A

(b) Decrease in global emissions by 5% compared to 1990 level’.

65
Q
  1. The Montreal Protocol (1987) was established to deal with the depletion of:

(a) Fish and wildlife stocks.
(b) The global commons.
(c) Greenhouse gas emissions.
(d) The ozone layer.

A

(d) The ozone layer.

66
Q
  1. Which key player pulled out of the Kyoto Protocol in 2011, thereby undermining its legitimacy?

(a) Canada
(b) China
(c) The United States
(d) The European Union

A

(a) Canada

67
Q
  1. In its 2013 report, the IPCC projected the average increase in Global temperature about:

(a) 1.60F (0.90C)
(b) 2.70F (1.500
(c) 3.60F (20C)
(d) 4.60F (2.600

A

(b) 2.70F (1.500

68
Q
  1. Is ozone good or bad for humans?

(a) Neither— it is neutral
(b) Good
(c) Bad
(d) Both (b) and (c)

A

(d) Both (b) and (c)

69
Q

Montreal protocol goal is to phase out.

(a) Green House gases
(b) Ozone depleting substance
(c) Water
(d) all of these

A

(b) Ozone depleting substance

(2022-23) EDS (11 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions