Environmental Studies - May 2016

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 interaction between living organisms and environment is called as--
a) Ecasystem
b) Ecology
c) Phytogegraphy
d) Phytosociology(1 marks) 10 Which of the following is not a green house gas ?
a) Oxygen
b) Carbon dioxide
c) Chlorofluro carbon
d) Methane(1 marks) 11 Formation of hole in ozone layer is maximum over -
a) India
b) Antarctica
c) Europe
d) Africa(1 marks) 12 Study of trends in human population growth and prediction of future growth is called -
a) Demography
b) Biography
c) Kalography
d) Psychology(1 marks) 13 Vasectomy is the method of sterilization in -
a) Man
b) Woman
c) Both man and woman
d) None of these(1 marks) 14 The world AIDS DAY is recalled on
a) 1st july
b) 5th june
c) 1th December
d) 2nd October(1 marks) 15 ICDS is a welfare scheme for -
a) Public
b) Woman
c) Man
d) Children(1 marks) 16 The common pollutant present is pond and pools nearby agricultural fields are -
a) Dust
b) Straw
c) Pollens
c) Chemical fertilizer and pesticides(1 marks) 17 The highest concentration of people with HIV infection have been recorded from - a) India
b) America
c) China
d) Africa(1 marks) 18 Which endangered animal is the source of the words lightest, warmest and most expansive wool the shatoash
a) Chiru
b) Nilgai
c) Cheetal
d) Kasbmiri goat(1 marks) 19 The largest reservoir of nitrogen in our planet is -
a) Oceans
b) Atomophere
c) Biosphere
d) Fossil fuels(1 marks) 2 Soil Erosion can be prevented by -
a) Overgrazing
b) Soil Erosion
c) Afforestation
d) Deforestation(1 marks) 20 Maximum deposition of DDT will occur in
a) Phytoplankon
b) Crab
c) Eel
d) Seagull(1 marks) 21 Which of the following is a bio - diversity hotspots in India
a) Gulf of Mannar
b) Western Ghats
c) Pachmorh
d) Sunderban(1 marks) 22 Which of the following are likely to be present in photochemical smog?
a) Ozone
b) Peroxy acetyl nitrates
c) Aldehjdes
d) All the above(1 marks) 23 Which of the following strategies should br given first prefernce as far as the management of plastic waste is concerned
a) Recycle
b) Reuse
c) Reduce the usage
d) None of the above(1 marks) 24 Nuclear power plant in Karnataka is located at -
a) Bhadravathi
b) Sandur
c) Raichur
d) Kaiga(1 marks) 25 Biogas is gaseous fuel composed mainly of
a) CH₂ and CO₂
b) CH₄ and H₂S
c) CH₄ and CO
d) None of the above(1 marks) 26 Physical pollution of water is due to -
a) D.O
b) Turbidity
c)P^H
d) None(1 marks) 27 Air pollution from automobiles can be controlled by fitting -
a) Electrostatic precipitator
b) Wet scrubber
c) Catalytic converter
d) All the above(1 marks) 28 Global warming could affect -
a) Climate
b) Increase in sea level
c) Melting of glacier
d) All the above(1 marks) 29 Environmental (protection) act was enacted int he year
a) 1986
b) 1992
c) 1984
d) 1974(1 marks) 3 Khetri (Rajsthan) is famous for -
a) Gold mines
b) Copper mines
c) Granite stone
d) Marble stone(1 marks) 30 The water (prevention and control of pollution ) act was enacted int he year
a) 1986
b) 1974
c) 1994
d) 2004(1 marks) 31 World environment day is celebrated on -
a) 5th May
b) 5th June
c) 10th July
d) 16th August(1 marks) 32 Chernobyl nuclear disaster occurred in the year -
a) 1984
b) 1985
c) 1986
d) 1987(1 marks) 33 Ozone layer thickness is measured in -
a) Millimolre
b) Contionetre
c) Decibel
d) Debson units(1 marks) 34 Which of the following is a waterborne disease - a) Anthrese
b) Tuberculosis
c) Cholera
d) Small pox(1 marks) 35 Which of the following gas is most abundant in atmosphere?
a) Methane
b) Nitrogen
c) CFC
d) CO₂(1 marks) 36 Which of the following is not a method for water conservation -
a) Rainwater harvesting
b) Groundwater extraction
C) Improving irrigation efficiency
D) Avoiding water wastage.(1 marks) 37 Silent valley is in -
a) Andhra Pradesh
b) Himachal Pradesh
c) Kerala
d) Tamil Nadu(1 marks) 38 A chronic disease called silicosis involves -
a) Heart
b) Lungs
c) Liver
d) Kidney(1 marks) 39 Existing oil reserve of the earth could last for about -
a) 5000 yrs
b) 500 yrs
c) 50 yrs
d) 5 yrs(1 marks) 4 Which one of the following is an abiotic component of the ecosystem
a) Bacteria
b) Plant
c) Human
d) Fungi(1 marks) 40 EIA stands for -
a) Environmental industrial impact
b) Eco industrial assessment
c) Eco impact assessment
d) Environmental imapct assessment .(1 marks) 41 Water quality involves measuring the number of colonies of -
a) Coliform bacteria
b) Protozoa
c) Colis
d) Chromozomes(1 marks) 42 About 3 / 4th of the country's coal deposits are found in -
a) Karnataka
b) Tamil Nadu
c) Kashmir
d) Bihar and Orissa(1 marks) 43 What would you do to prevent the environmental damage -
a) Plant tree
b) Halt deforestation
c) Control pollution
d) All the above(1 marks) 44 Which of the following id not a part of the hydrological cycle -
a) Precipitation
b) Infiltration
c) Transpiration
d) Perspiration(1 marks) 45 Eutrophication is -
a) An improved quality of water in lakes
b) A process of carbon cycle
c) The result of accumulation of plant nutrients in water bodies d) a water purification technique(1 marks) 46 Common energy source in Indian villages is -
a) Electricity
b) Coal
c) Sun
d) Wood and animal dung(1 marks) 47 Chipko movement was started to conserve
a) Forest
b) Grassland
c) Deserts
d) Soil(1 marks) 48 National park concerned with Rhinoceros is
a) Corbett
b) Ranthambore
c) Kaziranga
d) Valley of flowers(1 marks) 49 The maximum number of individuals that can be supported by a given environment is called -
a) Biotic potential
b) Carrying capacity
c) Population size
d) Environmental resistance(1 marks) 5 Increase in fauna and decrease in flora would be harmful due to increase in
a) Diseases
b) CO₂ c) O₂ d) Radioactive pollution(1 marks) 50 What is the permissible range of p^H for drinking water as per the Indian standards?
a) 6 to 9
b) 6.5 to 7.5
c) 6 to 8.5
d) 6.5 to 8.5(1 marks) 6 Acid rain is caused by increase in the atmospheric concentration of -
a) Ozone and dust
b) SO₂ and NO₂
c) SO₃ and CO d) SO₂ and Cr(1 marks) 7 Gas leaked in Bhopal tragedy was -
a) Potassium isothiocynate
b) Sodium isothiocynate
c) Ethyle isocynate
d) Methyl isocyanate(1 marks) 8 Biochemical oxygen demand measures
a) Industrial pollution
b) Air pollutions
c) Polluting capacity of effluents
d) Dissolved oxygen needed to decompose organic matter(1 marks) 9 The ultraviolet radiation in the stratosphere are absorbed by -
a) Ozone
b) Oxygen
c) Sulphur dioxide
d) Argon(1 marks)