Q.1 Which one among the following is the biotic component of an ecosystem ?

a. Producer

b. Consumer

c. Decomposer

d. All of the above

Q.2 According to FAO, depletion of less than 90% of forest cover is considered as

a. Forest depletion

b. Forest degradation

c. Deforestation

d. Afforestation

Q.3 What would happen to the temperature of the Earth if there were no atmosphere surrounded?

a. No effect

b. Go on increasing

c. Go on decreasing

d. Inc. in day and dec. in the night time

Q.4 If all the O₂ present will be converted to O₃, then what would be the consequence?

a. No effect

b. Protect us more from UV

c. It would kill all organisms

d. Increase atmospheric temperature

Q.5 Which among the following resources keeps on increasing day by day?

a. Glacier cover

b. Per capita arable land

c. Forest cover

d. Carbon dioxide concentration

Q.6 The process by which O₂ concentration in the atmosphere is maintained?

a. Nitrification

b. Photosynthesis

c. Respiration

d. Photolysis

Q.7 Which among the following is a non-renewable natural resource?

a. Soil

b. Water

c. Coal

d. Wildlife

Q.8 Which of the following is a non-conventional source of energy?

a. Tidal energy

b. Wind energy

c. Fossil energy

d. Both a & b

Q.9 The example of a non-exhaustible conventional energy source?

a. Wind energy

b. Solar energy

c. Hydropower

d. Thermal energy

Q.10 Which gas is likely to increase by afforestation?

a. N₂

b. O₂

c. CO₂

d. N₂O

Q.11 Which among the following are the components of Liquified Petroleum Gas?

a. Methane and Ethane

b. Methane and Propane

c. Propane and Ethane

d. Propane and Butane

Q.12 The total water content in soil is termed as

a. Echard

b. Chreserd

c. Holard

d. None of the above

Q.13 The resource that can be replaced by the natural ecological cycle is known as _____ resource

a. Natural

b. Renewable

c. Non-renewable

d. Exhaustible

Q.14 The components of Smog are

a. Dust and fog

b. Snow and fog

c. Smoke and fog

d. Dew and fog

Q.15 Industry that is the major consumer of forest wood

a. Chemical industry

b. Paper industry

c. Power industry

d. Pharma industry

Q.16 The protective layer of ozone is located in which of the following atmospheric layer

a. Troposphere

b. Stratosphere

c. Mesosphere

d. Thermosphere

Q.17 The process of burning municipal solid waste in a furnace at a suitable temperature is known as

a. Composting

b. Flaming

c. Landfill

d. Incineration

Q.18 The Chipko movement started by Sunderlal Bahuguna in 1973 to conserve

a. Soil

b. Water

c. Forest

d. Endangered animals

Q.19 In Rajasthan, which among the following religious community conserve forest & wildlife?

a. Jain

b. Bishnoi

c. Jaishwal

d. Jat

Q.20 Abundant coliform bacteria in the Ganga river is caused by

a. Washing of clothes

b. Ash disposal

c. Industrial effluent extract

d. Human excreta disposal

Q.21 What is GAP?

a. Government amended policy

b. Gross annual production

c. Govt. agency for pollution control

d. Ganga action plan

Q.22 Date celebrated as environmental day every year

a. 23rd March

b. 23rd April

c. 5th June

d. 16th September

Q.23 To save the environment, what are the three R’s being used?

a. Reduce, Recycle, Remove

b. Reduce, Recycle, Reuse

c. Reduce, Replenish, Reuse

d. Reduce, Reuse, Reconstruct

Q.24 Production of which among the following renewable source of energy is maximum in India?

a. Hydroelectric

b. Wind energy

c. Biomass & waste energy

d. Solar energy

Q.25 Out of total available freshwater use, the maximum quantity of water used in which sector?

a. Domestic need

b. Industry

c. Agriculture

d. Power sector

Q.26 The recommended forest cover over the geographical area is?

a. 13%

b. 23%

c. 33%

d. 43%

Q.27 Which among the following is not a problem of mining?

a. Deforestation

b. Groundwater contamination

c. Biodiversity erosion

d. None of the above

Q.28 The process of increase in BOD in water bodies due to the enrichment of nutrients called

a. Algal bloom

b. Biomagnification

c. Eutrophication

d. Nutrisorption

Q.29 The process of capturing and storing atmospheric CO₂ is called ?

a. Carbon farming

b. Carbon sequestration

c. Carbon trading

d. Carbon mining

Q.30 Conservation of species within its natural habitat is known as

a. Natural conservation

b. In-situ conservation

c. Ex-situ conservation

d. Ecological conservation

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