Environmental Studies - Jan 2013

First Year Engineering (C Cycle) (Semester 2)

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 In the world's population lndia accounts fora) 10%
b) 5%
c) 25%
d) l6%(1 marks) 10 Photochemical smog is caused bya)PAN + O₂
b) PAN + O₃
c) O_{3 + O2
d) PAN + CO2}(1 marks) 11 Energy flow in any ecosystem is alwaysa) bidirectional
b) unidirectional
c) multidirectional
d) none of these(1 marks) 12 Sunderbans is the name of place ina) Assam
b) West Bengal
c) Kantatalra
d) All ofthese(1 marks) 13 Mangrove Forests are seen ina) Mumbai
b) Nicobar islands
c) West Bengal
d) All of these(1 marks) 14 Rearing fish is calleda) pisciculture
b) sericulture
c) fishiculrure
d) horticulture(1 marks) 15 Western Ghats are not located ina) North East India
b) Maharashtra
c) Peninsular India
d) Gujarat(1 marks) 16 Medha Patkar is famous fora) Chipko Movement
b) Narmada Bachao Andolan
c) Green Revolution
d) Silent Valley Project(1 marks) 17 Examples of renewable resources area) wind energy
b) solar energy
c) tidal energy
d) all of these(1 marks) 18 Biogas is made up mostly ofa) hydrogen
b) carbon dioxide
c) ethane
d) methane(1 marks) 19 Pyramid of numbers in a pond ecosystem is alwaysa) inverted
b) erect
c) irregular
d) none of these(1 marks) 2 World Environmental Day is celebrated ona) 5th June
b) 11th June
c) 12th January
d) 3rd September(1 marks) 20 Cyciing of materials in the biosphere is calleda) biochemical cycle
b) biophysical cycle
c) biogeochemical cycle
d) geochemical cycle(1 marks) 21 (1 marks) 22 Salim Ali was an expert ina) agricultural sciences
b) rainwater harvesting
c) ornithology
d) environmental law(1 marks) 23 Which of the following diseases is not spread by water?a) diarrhea
b) chickenpox
c) cholera
d) dysentery(1 marks) 24 D.D.T. is aa) fungicide
b) pesticide
c) fertilizer
d) disinfectant(1 marks) 25 Which of the following waste material is degradable?a) plastic
b) metal
c) glass
d) paper(1 marks) 26 Environmental Education is targeted toa) general public
b) professional social groups
c) technicians and scientists
d) all of these(1 marks) 27 Bhopal gas tragedy caused due to leal-cage oi"a) Methyl lso Cyanide {MIC}
b) Suplhur dioxide
c) Mustard gas
d) Methane(1 marks) 28 Which state is having highest women literacy rate in India?a) Karnataka
b) Punjab
c) Rajasthan
d) Kerela(1 marks) 29 The virus that causes AIDS isa) HIV
b) TMV
c) HMV
d) none of these(1 marks) 3 Excess fluorides in drinking water is. likely to causea) blue babies
b) flurosis
c) taste and odour
d) intestinal irritation(1 marks) 30 Kalahazar is spread bya) tape worms
b) rats
c) mosquitoes
d) sand flies(1 marks) 31 Which of the following is not a greenhouse gas ?a) CO₂
b) CH₄
c) CFC
d) H₂(1 marks) 32 Ionizing radiations of ecological importance area) Alpha Rays
b) Beta Rays
c) Gama Rays
d) None of these(1 marks) 33 The proportion of methane in biogas isa) 20-30%
b) 10-30%
c) 60-70%
d) 80-90%(1 marks) 34 Which is not a natural disaster?a) Cyclone
b) Nuclear explosion
c) Earthquake
d) Volcano(1 marks) 35 Landslides arc caused bya) earthquakes
b) dam building
c) mining
d) all of these(1 marks) 36 Radiation is a health hazard because it leads toa) typhoid
b) cancer
c) colour blindness
d) pneumonia(1 marks) 37 Which of these gases causes air pollution?a) Nitrogen
b) Hydrogen
c) Water - vapour
d) Carbon monoxide(1 marks) 38 Kitchen Wastes containa) non-biodegradable pollutants
b) biodegradable pollutants
c) radioactive pollutants
d) none of these(1 marks) 39 Water pollution is caused bya) sewage
b) industrial effluents
c) discharge from Forms
d) all of these(1 marks) 4 The leader of Chipko movement isa) Sunderlal Bahuguna
b) Medha Patlcar
c) lfandana Shiva
d) Suresh Heblikar(1 marks) 40 D.D.T pollutesa) air
b) water
c) soil
d) all of these(1 marks) 41 Pyramid of energy is alwaysa) inverted
b) erect
c) rectangular
d) none of these(1 marks) 42 Herbivores area) primary producers
b) consumers
c) decomposers
d) all of these(1 marks) 43 The sequence of organisms in a food chain isa) consumer ? producer ? decomposer
b) decomposer ? consumer ? producer
c) producer ? decomposer ? consumer
d) producer ? consumer ? decornposer(1 marks) 44 Which of the following is a top carnivore?a) Tiger
b) Crocodile
c) Hawk
d) All of these(1 marks) 45 One method of Nitrogen fixation in nature is bya) thunder
b) rain
c) lightning
d) storm(1 marks) 46 Coal is aa) renewable source of energy
b) inexhaustible source of energy
c) non-renewable source of energy
d) none of these(1 marks) 47 Which of the following is a non-polluting source of energy?a) Coal
b) Petroleum
c) Natural gas
d) Solar energy(1 marks) 48 Deforestation is majorly caused bya) mining
b) overgrazing
c) dam building
d) all of these(1 marks) 49 Major dams may causea) earthquakes
b) hurricanes
c) storms
d) cyclones(1 marks) 5 E.l.A can be expanded asa) Environment and industrial Act
b) Environment and Impact Activities
c) Environment impact Assessment
d) Environmentally important Activities(1 marks) 50 (1 marks) 6 Which of the following is not a biodegradable pollutant?a) Plastic
b) Skins of vegetables and fruits
c) Dry leaves
d) Paper(1 marks) 7 Minarnata disease is caused bya) cadmium
b) strontium
c) mercury
d) uranium(1 marks) 8 BOD stan ds fora) Biochemical Oxygen Demand
b) Biological Oxygen Demand
c) Biogeochemical Oxygen Demand
d) None of these(1 marks) 9 Greenhouse effect is caused lay excess ofa) CO₂
b) H₂ c) He d)O₂(1 marks)