Environmental Studies - Dec 2011

First Year Engineering (C Cycle) (Semester 1)

TOTAL MARKS: 100
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks. 1 The study of interactions between living organisms and environment is called
a) Ecosystem
b) Ecology
c) Phytosociology
d) Biology(1 marks) 10 Discharge of industrial waste water causes
a) Depletion of dissolved oxygen
b) Destroys aquatic life
c) Impair biological activity
d) All of these(1 marks) 11 Gold occurs in
a) Sedimentary deposits
b) Placer deposits
c) Hydrothermal deposits
d) None of these(1 marks) 12 EIA is used to
a) Establishing the environmental base line data
b) Impact identification on
c) Both a and b
d) To identify alternate industries(1 marks) 13 Sustainable use is applicable to
a) Renewable resources
b) Non renewable resources
c) Physical growth
d) None of these(1 marks) 14 Fluorosis is caused due to
a) No fluoride intake
b) Low fluoride intake
c) Excessive fluoride intake
d) None of these(1 marks) 15 Both power and manure is provided by
a) Nuclear plants
b) Thermal plants
c) Biogas plants
d) Hydroelectric plants (1 marks) 16 Percentage of fresh water available on earth is
a) 2.8%
b) 2.2%
c) 0.6%
d)0.0215(1 marks) 17 Surface water potential of Karnataka is around
a) 20 M.ha-m
b) 18 M.ha-m
c) 17 M.ha-m
d) 28 M.ha-m(1 marks) 18 Ore is a
a) Metallic element
b) Non-metallic element
c) Plastic materials
d) Both a and b(1 marks) 19 Forest is
a) Simple ecosystem
b) complex ecosystem
c) Group of trees
d) None of these(1 marks) 2 The environment which has been modified by human activities is called as
a) Natural environment
b) Anthropogenic environment
c) Urban environment
d) Modern environment(1 marks) 20 Earth contains __________% nitrogen
a) 98%
b) 12%
c) 21%
d)0.78(1 marks) 21 Sulphur-di-oxide is used in
a) Paper manufacture
b) Textile manufacture
c) Processing fossil fuels
d) Both a and b(1 marks) 22 EMR propagate energy with a velocity of
a) 3x10^6m/se
b) 3x10^8m/se
c) 0.3x10^8m/se
d) 30x10^4m/se(1 marks) 23 Solar photo voltaic system are more suitable for
a) Domestic lighting
b) Street lighting
c) Small power plants
d) All of these(1 marks) 24 The first nuclear fission reactor in the world become critical in
a) June 1972
b) July 1974
c) December 1942
d) None of these(1 marks) 25 Greenhouse gases are
a) Chlorofluro carbons
b) Oxygen
c) Chlorine
d) Chloro benzene (1 marks) 26 Fossil fuel is also known as
a) Lubricating fuel
b) Liquid fuel
c) Solid fuel
d) Mineral fuel (1 marks) 27 Biogas is an excellent fuel when its methane content is about
a) 15%
b) 65%
c) 0%
d)0.065(1 marks) 28 Coal mining leads to adverse environmental effect like
a) Aesthetic degradation
b) Release of trace elements into water soil and air
c) Dust pollution
d) All of these(1 marks) 29 "Agro forestry" environmental benefits
a) Recycling of nutrients
b) Reduction of surface run-off nutrient leaching and soil erosion
c) Ecosystem protection
d) All of these (1 marks) 3 Cauvery water dispute is between
a) India and Pakistan
b) Punjab and Haryana
c) Uttar Pradesh and Madhya Pradesh
d) Karnataka and Tamil Nadu(1 marks) 30 Geothermal energy is a
a) Heat energy
b) Current energy
c) wind energy
d) Solar energy (1 marks) 31 Acid rain is caused by increase in the atmospheric concentration of
a) Ozone and dust
b) SO₂ and NO₂
c) SO₃ and CO
d) CO₂ and CO(1 marks) 32 Gas leaked in Bhopal tragedy was
a) Potassium cynate
b) Sodium isothio cynate
c) Ethyl isocynnate
d) Methyl isocyannate (1 marks) 33 Noise limits at residential area is
a) 45 dB
b) 80 dB
c) 55 dB
d) 90 dB(1 marks) 34 Lead poisoning may cause
a) Reduction in haemoglobin
b) Kidney damage
c) Mental retardation
d) All of these(1 marks) 35 Taj Mahal at Agra may be damaged by
a) Sulphur dioxide
b) Chlorine
c) Hydrogen
d) Oxygen (1 marks) 36 Which of the following are natural sources of air pollution
a) Volcanic eruption
b) Solar flair
c) Earth quake
d) All of these(1 marks) 37 Environmental pollution is due to
a) Rapid urbanization
b) Deforestation
c) Afforestation
d) a and b (1 marks) 38 Ozone day is observed on
a) January 30
b) April 21
c) September 16
d) December 25(1 marks) 39 India's density of population according to census 2001
a) 350 per sq.km
b) 375 per sq.km
c) 324 per sq.km
d) 425 per sq.km(1 marks) 4 Terrace farming is practiced in
a) Coastal areas
b) Hills
c) Deserts
d) Plains (1 marks) 40 Green house effect is related to
a) Green trees and house
b) Global warming
c) Grass lands
d) Greenery in our country (1 marks) 41 Heavy duty diesel vehicles mainly contribute
a) NO_x
b) SO₂
c) Particulate
d) Both a and b (1 marks) 42 Use of compressed natural gas (CNG) came into effect from
a) December 2002
b) January 2002
c) December 2003
d) September 2003(1 marks) 43 Increase in asthma attacks has been linked to high levels of
a) Nitrogen
b) Oxygen
c) Air-borne dust particles
d) All of these(1 marks) 44 Urbanization is
a) Local environmental issue
b) National environmental issue
c) Both a and b
d) Not at all an issue(1 marks) 45 The number of babies produced per thousand individuals is called
a) Natality
b) Demography
c) Fertility rate
d) Emigration (1 marks) 46 ELISA test is used to detect
a) Malaria
b) AIDS
c) Cholera
d) Tuberculosis (1 marks) 47 ICDS is a welfare scheme for
a) Public
b) Women
c) Men
d) Children(1 marks) 48 Karnataka state "pollution control board" was established in the year
a) 1974
b) 1982
c) 1986
d)1976(1 marks) 49 Environmental protection Act 1986 deals with
a) Air
b) Water
c) Land
d) All of these(1 marks) 5 Millennium development Goal's conference of united nations was held in the year
a) 2002
b) 2000
c) 2005
d) None (1 marks) 50 "Earth Day" is observed on
a) 1st December
b) 5th June
c) April 22nd
d) 1st January (1 marks) 6 Economic security is measured on the basis of
a) Labour markets and employment
b) Income
c) Work, jobs and skills
d) All of these (1 marks) 7 "Remote Sensing" is a
a) Satellite System
b) Ground segments
c) Sensor system
d) All of these(1 marks) 8 Green Revolution crop varities yield increases depend on the use of
a) Inorganic fertilizers
b) Pesticides
c) Energy
d) All of these(1 marks) 9 Buliding materials casuse environmental problems such as
a) Resource consumption
b) Water and air pollution
c) Habitat loss
d) All of these(1 marks)