Tag: tundra climatic region

Questions Related to tundra climatic region

Particulate matter is released in the air mainly from ___________.

  1. Burning fossil fuels

  2. Dumping glass and garbage on land

  3. Hot water from factories

  4. Heavy metal effluents


Correct Option: A
Explanation:

Fossil fuels include coal, petroleum, natural gas etc. These are used to generate energy for transportation cooking and many other. Such actions release particulate matter which includes suspended chemical compounds like oxides of sulphur and nitrogen and dangerous gases like carbonmonooxides.

The most serious environmental effect posed by hazardous wastes is :

  1. contamination of groundwater.

  2. air pollution.

  3. increased use of land for landfills.

  4. none of the above.


Correct Option: A
Explanation:

Ground water is one of the important sources for irrigation and drinking. Contamination of ground water by hazardous wastes causes serious environmental effect.

Ground water is often contaminated by man-made products such as gasoline, oil, road salts and chemicals get into the groundwater and cause it to become unsafe and unfit for human use

The increase in the concentration of CO2 in our environment in last fifty years; since 1960 is about :

  1. 20%

  2. 14%

  3. 10%

  4. 6%


Correct Option: B
Explanation:

CO2 is one of the major gases causing greenhouse effect. Increase in the concentration of CO2 in our environment in last fifty years since 1960 is about 14% which is a huge change. This is mostly anthropogenic that is manmade. Extensive industrialisation, urbanisation, increase in the vehicular transport, deforestation are attributed to this increase in carbon dioxide percentage

How the biological oxygen demand gets affected with the increased presence of organic matter in water?

  1. the oxygen demand decrease

  2. the oxygen demand remains unchanged

  3. the oxygen demand increases

  4. All of the above


Correct Option: C

Groundwater mining in coastal areas can result into :

  1. increase in the salinity of groundwater.

  2. increase in the water table.

  3. decrease in the toxicity of groundwater.

  4. decrease in the salinity of groundwater.


Correct Option: A
Explanation:

Ground water mining is the removal, or withdraw, of water from the natural source. Ground water is contained in specific rock units called aquifers.

Ground water mining in the coastal areas is very harmful because when the water is drawn sea water reverses its flow towards the water that is being used and causes an increase in salinity.


________ is the concentration of foreign matter in the air which adversely affects the well-being of human beings, animals, plants and their environment.

  1. Air pollution

  2. Water pollution

  3. soil pollution

  4. none of these


Correct Option: A

The Air (Prevention and pollution control act) was passed on _________.

  1. 1987

  2. 1981

  3. 1980

  4. 1852


Correct Option: B
Explanation:

The Air (Prevention and Control of Pollution) Act, 1981 is a central Act of Parliament, which provides for the prevention and control of air pollution and maintaining the good quality of air.

The excessive use of artificial fertilizers greatly reduces the quality of _________.

  1. Air

  2. Soil

  3. River

  4. All  of the above


Correct Option: D

Which of the following two statements are true

A. For conservation of natural resources like natural gas, one can get tank less water heater as it reduces the usage of natural gas.

B. To save natural gas, the use of another energy source like hydro, solar or wind power are all healthy alternative resources

  1. Only A

  2. Only B

  3. Both A and B

  4. None of these


Correct Option: C
Explanation:

Conservation of resources is nothing but making use of resources such that they are not depleted and are left behind for replenishing in future. This can be achieved in many ways, for example for conservation of natural resources like natural gas, one can get tank less water heater as it reduces the usage of natural gas and the other example is to save natural gas, the use of another energy source like hydro, solar or wind power can be followed.

Natural Resources Conservation Service (NRCS) was formerly known as

  1. Soil Conservation Service

  2. Land conservation service

  3. Water conservation service

  4. Forest conservation service


Correct Option: A
Explanation:

Natural Resources Conservation Service (NRCS), was formerly known as the Soil Conservation Service (SCS). Its name was changed in 1994 during Presidency of Bill Clinton. It is an agency of the United States Department of Agriculture, that provides technical assistance to farmers and other private landowners and managers.