VTU Environmental Studies - May 2015 Exam Question Paper

VTU First Year Engineering (C Cycle) (Semester 1)
Environmental Studies
May 2015

Total marks: --
Total time: --

INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1 The Tiger conservation project was started is
a) 1973
b) 1974
c) 1981
d) 1990

1 M

2 The leader of 'Chipko movement' is
a) Sunder Lal Bahuguna
b) Medha Patkar
c) Vandana shiva
c) None of these

1 M

3 'Earth day' is observed on
a) 1^stDecember
b) 5 ^th June
c) April 22 ^nd
d) 1^st January

1 M

4 The committee which submitted its report to government of India on environmental education is
a) Tiwari Committee
b) Mehta Committee
c) Banerjee Committee
d) Agarwal Committee

1 M

5 BOD means
a) Biochemical oxygen demand
b) Chemical oxygen demand
c) Biophysical oxygen demand
d) All of these

1 M

6 Direct conversion of solar energy is attained by
a) Solar photo voltaic system
b) Solar diesel hybrid system
c) Biophysical oxygen demand
d) All of these

1 M

7 Which place in India the tidal energy has been experimented?
a) Goa
b) Karnataka
c) Kerala
d) Tamil Nadu

1 M

8 Hydrogen energy can be tapped through
a) heat pumps
fuel cells
photovoltatic cells
gasifiers

1 M

9 Molasses from sugar industry is used to generate
a) biodiesel
b) hydrogen
c) bioethanol
d) biomethanol

1 M

10 Bhopal gas tragedy caused due to the leakage of
a) Methyl ISO Cyanate(MIC)
b) Methane
c) Sulphur dioxide
d) Carbon monoxide

1 M

11 Noise pollution limits at residential area
a) 80 dB
b) 45 dB
c) 60 dB
d) 90dB

1 M

12 Ozone layer is present in
a) Troposphere
b) Stratosphere
c) Mesosphere
d) Thermosphere

1 M

13 Odour in water can be removed by
a) Aeration
b) Changing pH
c) Sedimentation
d) None of these

1 M

14 Which of the following is an air pollutant:
a) Oxygen
b) Particulate matter
c) Nitrogen
d) Carbon dioxide

1 M

15 The protocol that reduces green house gas emission is
a) Kyoto protocol
b) Montreal protocol
c0 Vienna protocol
d) Basal protocol

1 M

16 The pH value of the acid rain water is
a) 5.7
b) 7.0
c) 8.5
d)7.5

1 M

17 Ozone layer thickness is measured in
a) PPM
b) PPB
c) Decibels
d) Damon units

1 M

18 Eutrophication
a) An improved quality of water in lakes
b) A process in carbon cycle
c) The result accumulation of plant nutrients in water bodies
A water purification technique

1 M

19 Wind energy generation depends on
a) direction of wind
b) Velocity of wind
c) humidity
d) precipitation

1 M

20 Nitrate concentration above 45 mg/t causes
a) Vomiting
b) Dysentery
c) Typhoid
d) Blue Baby disease

1 M

21 Ozone hole is said to occur when the Ozone level decreases below
a) 200 Du
b) 2000 Du
c) 20 Du
d) 2 Du

1 M

22 Acid rain can be controlled by
a) reducing SO₂ and NO ₂
b) reducing CO and hydrocarbons emissions
c)Increasing number of lakes
d) None of these

1 M

23 Animal husbandry may result in
a) Global warming
b) Acid rain
c) Ozone depletion
None of these

1 M

24 Freons are
a) HFC
b) CFC
c) NFC
d) Hydrocarbons

1 M

25 Ozone hole was first discovered over
a) Arctic
b) Antarctica
c) Tropical region
d) Africa

1 M

26 Nutrient cycling is most related to appropriately
a) Energy, waste , nutrients
Autotrophs, nutrients , decomposers
c) Light; weight, nutrients
d) None of these

1 M

27 In an ecosystem, the flow of energy is
a) Bidirectional
b) Cyclic
c) Unidirectional
d) Multi-directional

1 M

28 Which of the following is not part of the hydrological cycle?
a) Precipitation
b) Infiltration
c) Transpiration
d) Perspiration

1 M

29 The word 'Environment' is derived from
a) Greek
b) French
Spanish
d) English

1 M

30 Which of the following is the terrestrial ecosystem?
a) Forest
b) Grass land
c) Desert
d) All of these

1 M

31 LPG is a mixture of
a) N₂ and H₂S
c) CO₂ and N₂
c) propane and butane
d) Methane and ethane

1 M

32 Nuclear fusion reaction occurs in
a) The sun
b) Stars
c) Hydrogen bomb
d) All the these

1 M

33 Choose the sequence of production of electrically from hydrogen
i) Electrolysis of water
ii) Performing a fuel cell reaction
iii)Storage of hydrogen
a)(i),(ii),(iii) b) (i), (ii) and (iii) c) (ii),(iii) and (i) d) (ii),(i) and (iii)

1 M

34 Chernobyl nuclear disaster occurred in the year
a) 1984
b) 1952
c) 1986
d)1987

1 M

35 Which resources are inexhaustible?
a) renewable
b) fossil fuel
c) non renewable
d) mineral

1 M

36 The process of movement of nutrients from the soil by acid rain is called
a) Transpiration
b) Thermosphere
c) Infiltration
d) Leaching

1 M

37 Which of the following is not a method for water conservation:
a) rain water harvesting
b) reducing water usage
c) ground water extraction
d) water recycling

1 M

38 Smog is
a) natural phenomenon
b) combination of smoke and fog
c) colourless
d) all of these

1 M

39 The wild life protection act in India was passed in
a) 1978
b) 1972
c) 1986
d) 1992

1 M

40 Air (prevention and control of pollution) Act in India was passed in
a) 1970
b) 1975
c) 1981
d) 1990

1 M

41 Which of the following is not a part of atmosphere?
a) Heterosphere
b) Mesophere
c) Biosphere
d) Statosphere

1 M

42 EIA study will help
a) Maximizing the benefits without overloading the planets ecosystem
b) To estimate the future needs of the society
c) To smooth implementation of the projects
d) To cope up with rapid growth of population

1 M

43 Sustainable development means
a) Meeting present needs without compromising on the future needs
b) Progress in human well beings
c) Balance between human needs and the ability of earth to provide the resources
d) All of these

1 M

44 Mineral resources are
a) Renewable
b) Non renewable
c) Equally distributed
d) None of the above

1 M

45 India has the largest share of which of the following?
a) Manganese
b) Mica
c) Copper
Diamond

1 M

46 Fluoride though is an effective agent to preventing dental caries, has a maximum permission limit of
a) 0.5 mg/lt of water
b) 1.5 mg/lt of water
c) 5 mg/lt of water
d) 15 mg/lt of water

1 M

47 Carbon content is higher in
a) Soil
b) Atmosphere
c) Water
d) Lining natter

1 M

48 Cholera and typhoid are causes by
a) Worm
b) Virus
c) Bacteria
d) Fungus

1 M

49 The required iron content in drinking water as specified by BIS is
300 mg/lt
b) 30 mg/lt
c) 3 mg/lt
0.3 mg/lt

1 M

50 Major source of fluoride is
a) River water
b) Tooth paste
c) Ground water
d) Food products

1 M

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