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CHIKODI
College of Engg & Tec
10CIV18/28
Question Paper Version : D
First/Second Semester B.E Degree Examination, June/July 2014
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Environmental Studies
Time: 2 hrs.] (COMMON TO ALL BRANCHES) [Max. Marks: 50
INSTRUCTIONS TO THE CANDIDATES
- Answer all the fifty questions, each question carries ONE mark.
- Use only Black ball point pen for writing / darkening the circles.
- For each question, after selecting your answer, darken the appropriate circle corresponding to the same question number on the OMR sheet
- Darkening two circles for the same question makes the answer invalid.
- Damaging/overwriting, using whiteners on the OMR sheets are strictly prohibited.
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- Example for tertiary consumers
- Plants
- Cattle
- Elephant
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- As per BIS, the minimum allowable limit of iron content in drinking water is
- 1.0 mg/l
- 0.2 mg/l
- 0.3 mg/l
- 0.5 mg/l
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- In Hydro-power plants, power is generated by
- Solar
- Thermal
- Water
- Coal
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- The PH value of acid rain was recorded in early days
- 2.5
- 7.5
- 4.7
- 5.7
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- First international earth summit was held at
- USA
- Russia
- Rio de-Janeiro
- Johannesburg
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- The air prevention and control of pollution Act was enacted in the year
- 1987
- 1974
- 1981
- 1986
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- Smog is formed by the reaction of which air pollutants
- Smoke and Mist
- Smoke and Fog
- Smoke and Bio-Gas
- Smoke and Dust
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- Which of the following is not a solution for Global Warming?
- Reducing use of Fossil fuels
- Planting more trees
- Deforestation
- Reducing vehicular transportation
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- Methemoglobinemia is caused by the contamination of water due to
- Mercury
- Nitrate
- Arsenic
- Nitrates
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- Earth's Day is celebrated on every year
- June 22nd
- Sept.22nd
- April 22nd
- June 5th
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- Expansion of the term WWF is
- World wide life force
- World wide forest
- World wide life forest
- World wild life fund
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- Maximum allowable concentration of total hardness as per BIS in drinking water
- 600 mg/1
- 300 mg/1
- 1000 mg/1
- 250 mg/1
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- Water pollution prevention and control Act was enacted in the year
- 1986
- 1974
- 1981
- 1987
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- Stone cancer is an effect of
- Climatic change
- Hard water
- Acid rain
- Excess of calcium
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- Most stable Eco-system is
- Mountain
- Ocean
- Population
- Fossil fuels
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- Ozone is present in which layer of the atmosphere
- Ozonosphere
- Stratosphere
- troposphere
- onosphere
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- What is the maximum allowable concentration of fluorides in drinking water?
- 1.0 mg/1
- 1.25 mg/1
- 1.50 mg/1
- 1.60 mg/1
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- Which of the following gas is not concern to green house effect?
- CO2
- CH4
- N2
- H2O vapour
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- Which of the following is not a renewable source of energy?
- Solar
- Wind
- Nuclear
- Geo-Thermal
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- Optimum growth of bacteria in favorable PH value of
- 6.5 – 8.5
- 7.0
- 6.5-7.5
- 7.0 - 14.0
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- Bhopal gas tragedy was caused due to leakage of
- CH4
- MIC
- SO2
- Pesticides
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- Karnataka state pollution control board was established in the year
- 1984
- 1976
- 1974
- 1983
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- Among all oxides of nitrogen which one is responsible for the formation of acid rain
- Nitrous oxide
- Nitric oxide
- Nitrogen Trioxide
- Nitrogen pentoxide
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- The liquid waste generated from municipal solid waste disposal pits is called
- Solid waste water
- Sewage
- Leachate
- Compost waste water
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- Minimum allowable limit of noise pollution for Human persistence is
- 40dB
- 90dB
- 45dB
- 55dB
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- HIV can be transmitted to humans through which media?
- Air
- Blood
- Virus
- Hereditary
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- Mineral resources are
- Renewable
- Fossil fuels
- Non-renewable
- Sedimentary rocks
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- World Ozone day is being celebrating on every year
- 15th Sept.
- 16th Oct.
- 16th Sept.
- 22nd April
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- Contribution of carbon dioxide to global warming from industries
- 50%
- 24%
- 25%
- 75%
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- Which atmospheric layer is closest to the Earth's surface?
- Mesosphere
- Troposphere
- Stratosphere
- Thermosphere
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- Anthropogenic activities means
- Natural made
- BiOlOgical
- Manmade
- Animal made
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- Which of the following energy source is less eco-friendly?
- Wind
- Water
- Solar
- Thermal
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- Which of the following is a biotic component of an ecosystem?
- Sunlight
- Fungi
- Moisture
- Water
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- Generation of wind energy is mainly based on
- Direction of wind
- Storms
- Velocity of wind
- Wind pressure
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- Example for abiotic component of eco system
- Plants
- Food
- Water
- Live stock
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- Amount of carbon dioxide present in atmospheric air is
- 21%
- 0.383%
- 78%
- 0.318%
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- Estuary means
- Rich in nutrients
- End point of the river
- Meeting place of river and sea
- Treatment of water
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- Physical pollution of water is due to
- Chlorides
- Turbidity
- PH
- All of these
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- Control of water Borne diseases can be achieved effectively in a community by
- Defluoridation
- Disinfection
- Sterilization
- Vaccination
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- Ozone layer thickness is measured in which units
- PPM
- PPB
- Db
- DU
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- Eutrophication means
- Quality of water in lakes
- Enrichment of plant nutrients in water
- Water purification technique
- Meeting point of river and sea.
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- Earth's body temperature is approximately equal to
- 16.4°C
- 16.6°C
- 36°C
- 21.6°C
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- Presence of BOD in drinking water indicates
- Rich content of oxygen
- Organic matter
- Turbidity
- Physical impurities
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- Which of the following is a natural source of Air pollution?
- Acid rain
- Precipitation
- Storms
- Volcanic eruption
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- Effect of carbon monoxide on blood, causing
- H2CO3
- COHb
- CO2Hb
- HbCO2
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- Demography means
- Study on forest
- Study on Human activities
- Study on earthquake
- Study on population growth
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- Freon's are called
- Hydrocarbons
- Ozone
- Methane
- Solvents
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- Which of the following is a biodegradable pollutant?
- DDT
- Sewage
- Pesticides
- Freon's
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- Percentage of ground water available on Earth's environment is
- 0.02
- 0.5
- 1.5
- 0.2
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- During green house effect, carbondioxide and water vapours absorbs
- Short wave radiations
- Long wave radiations
- Solar radiation
- UV radiations
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