Top 150+ Solved Environmental Science MCQ Questions Answer

From 46 to 60 of 168

Q. Mass of living matter at a trophic level in an area at any given time is called

a. Standing state

b. Standing crop

c. Humus

d. Detritus

  • b. Standing crop

Q. Hydrarch succession takes place in

a. Dry areas

b. Bare area

c. Wetter areas

d. None of the above

  • c. Wetter areas

Q. Which of the following is a fossil fuel?

a. Oil

b. Coal

c. Natural gas

d. All of the above

  • b. Coal

Q. Which of the following is not an inexhaustible form of energy?

a. Water

b. Wind

c. Solar

d. Fossil

  • c. Solar

Q. Biogas contains mainly

a. Methane

b. Propane

c. Butane

d. Carbon dioxide

  • a. Methane

Q. The burning of fossil fuels releases a large amount of

a. Nitrogen into air

b. Sulphur into air

c. Carbon dioxide into air

d. Oxygen into air

  • b. Sulphur into air

Q. A poisonous gas given out of a vehicle exhaust is

a. Methane

b. Ethane

c. Carbon dioxide

d. Carbon monoxide

  • d. Carbon monoxide

Q. The purest form of coal is

a. Anthracite

b. Lignite

c. Peat

d. Bitumen

  • c. Peat

Q. Which one of the following is used as a refrigerant?

a. Freon

b. Teflon

c. Ethanol

d. Benzol

  • a. Freon

Q. Loss of forest has led to

a. Erosion of fertile soil

b. Global warming

c. Loss of habitat of plants and animals

d. All of the above

  • d. All of the above

Q. What are the consequences of excessive mining in an area?

a. Air and water pollution

b. Deforestation

c. Migration of large numbers of population

d. All of the above

  • d. All of the above

Q. Resources which are directly derived from nature are referred to as

a. Organic resources

b. Natural resources

c. Manmade resources

d. None of the above

  • b. Natural resources

Q. Resources that take too long a period of time to be used as a resource are called as

a. Renewable resource

b. Non-renewable resource

c. Exhaustible resource

d. Inexhaustible resource

  • d. Inexhaustible resource

Q. A resource that cannot be replaced in a reasonably short time is usually referred to as

a. Renewable

b. Non-renewable

c. Natural

d. Man made

  • b. Non-renewable
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