EVS-22447 MCQ's
Topic 1
1. Chemical released by chlorofluorocarbons is
i) Nitrogen
ii) Sulphuric acid
iii) Chlorine
iv) Sodium chloride
Answer:- iii) Chlorine
2. In the atmosphere, tiny solid or liquid suspended particles of various composition are called:
i)Aerosols
ii)Carcinogens
iii)Greenhouse Gases
iv) Microbes
Answer:- i) Aerosols
3. Identify the non Green-House Gas (GHG) from the following:
i) Methane
ii) Nitrous Oxide
iii) CFCs
iv) Carbon Monoxide
Answer:- iv) Carbon Monoxide
4. In the E- waste generated by the Mobile Phones, which among the following metal is most abundant?
i) Copper
ii)Gold
iii)Silver
iv)All of the above
Answer:- i) Copper
5. Major consumer of wood form forest is _______________ .
i) Thermal Power Plant
ii) Paper Industry
iii) Chemical Industry
iv) None of the above
Answer:- ii) Paper Industry
6. Biotic component of biosphere is not constituted by……….
i) Producer
ii) Consumer
iii) Decompose
iv) Air
Answer:- iv) Air
7. Suppose last night was clear and clam. Tonight low clouds will be present. From this you would conclude that tonight’s minimum temperature will be:
i) Higher than last night’s minimum temperature
ii) Lower than last night’s minimum temperature
iii) The same as last night’s minimum temperature
iv) Above freezing
Answer:- i) Higher than last night's minimum temperature
Topic 2
1. Hygroscopic and combined water
i) Are used by plants during transpiration
ii) Compensates for loss due to evapotranspiration by plants
iii) Stored in the xylem tissues of plant
iv) Are of no use to plants
Answer:- iv) Are of no use to plants.
2. The primary composition of coal is _________________ .
i) Carbon
ii) Oxygen
iii) Hydrogen
iv) Nitrogen
Answer:- i) Carbon
3. A layer of sediment or rock that is highly permeable and contains water is called
i) Aquifer
ii) Spring
iii) Glacier
iv) Seepage
Answer:- i) Aquifer
4. Bio gas is a renewable source of
i) Energy
ii) Heat
iii) Light
iv) Fossil
Answer:- i) Energy
5. The most abundantly available fossil fuel in India is ____________ .
i) Coal
ii) Natural Gas
iii) Petroleum
iv) Oil
Answer:- i) Coal
6. Which one of the following is the benefit of rainwater harvesting?
i) Decrease the ground water level
ii) Create good aesthetic view
iii) Provide a lot of water to play
iv) Flood mitigation
Answer:- iv) Flood mitigation
7. Famine is mainly the results of
i) Deforestation
ii) Overuse of surface water
iii) A prolonged drought
iv) All of the above
Answer:- iv) All of the above
Topic 3
1. About ____ % area of earth is Oceans.
i) 75
ii) 40
iii) 30
iv) None of the above
Answer:- i) 75
2. Biodiversity hotspots are also known as
i) Evergreen forests of tropic region
ii) Biologically rich areas with large percentage in endemic species.
iii) Desert area
iv) All of the above
Answer:- ii) Biologically rich areas with large percentage in endemic species.
3. Aravali mountain are covering states such as
i) Gujrat, M.P, Rajasthan
ii) Ladakh Mountain
iii) Coastal region
iv) None of the above
Answer:- i) Gujrat, M.P, Rajasthan
4. Extinction of weaker species by an aggressive alien species is the result of
i) Endemism of weaker species
ii) Habitat loss
iii) The domino effect
iv) All of the above
Answer:- iii) The domino effect
5. First national park established in India is
i) Jawaharlal Nehru National Park
ii) Salim Ali National Park
iii) Dr. Bose National Park
iv) Jim Corbett National Park
Answer:- iv) Jim Corbett National Park
6. A food chain consists of
i) Producers, Consumers, Decomposers
ii) Producers, Carnivores, Decomposers
iii) Primary Producers, Herbivores, Carnivores
iv) Producers, Primary Consumers, Carnivores
Answer:- i) Producers, Consumers, Decomposers
7. Approximately_____ % of the known species are insects.
i) 31
ii) 21
iii) 11
iv) 61
Answer:- iv) 61
Topic 4
1. Anthropogenic source of pollution is
i) Acid rain
ii) Use of chemical fertilizer
iii) Earthquake
iv) All of these
Answer:- ii) Use of chemical fertilizer
2. Increase in concentration of soluble salts in the soil is called ______.
i) Soilification
ii) Soluble-soil
iii) Salination
iv) Desalination
Answer:- iii) Salination
3. Groundwater recharging can be achieved by
i) Recharging pits
ii) Recharging well
iii) Both
iv) None
Answer:- iii) Both
4. As per MPCB norms of treated sewage, the total suspended solids(TSS) in treated sewage should be less than ____ for discharging into surface water.
i) 50 mg/I
ii) 100 mg/I
iii) 150 mg/I
iv) 200 mg/I
Answer:- ii) 100 mg/I
Topic 5
1. Environment Protection Act, 1986 came into existence in wake of ________ tragedy.
i) Bhopal
ii) Shimla
iii) Mumbai
iv) Bangalore
Answer:- i) Bhopal
2. Environmental impact of development projects can be
i) Immediate
ii) Short term
iii) Long term
iv) All of these
Answer:- iv) All of these
3. Damanganga – Pinjal Link is a
i) Dam
ii) Interlinking of rivers
iii) Hydro power plant
iv) Highway
Answer:- ii) Interlinking of rivers
4. Feature of formal education is
i) Education as a Full time and Primary activity
ii) Education as a Part time and secondary activity
iii) Education during vacation
iv) Education as an optional activity
Answer:- i) Education as a Full time and Primary activity
5. How many methods of rainwater harvesting are there?
i) 1
ii) 2
iii) 3
iv) 4
Answer:- ii) 2
6. Information technology can be used to forecast weather using
i) Computer based modelling
ii) Green belt development
iii) Cloud seeding
iv) Protected farming
Answer:- i) Computer based modelling
7. MPCB is entitled to collect which of the following samples in Maharashtra
i) Air Pollutant
ii) Water Pollutant
iii) Hazardous Waste
iv) All of i, ii & iii
Answer:- iv) All of i, ii & iii.