Tag: environment and conservation

Questions Related to environment and conservation

Which of the following is not a pollutant?

business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

  1. ${ SO } _{ 2 }$

  2. ${ CO } _{ 2 }$

  3. CO

  4. ${ NO } _{ 2 }$

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Correct Option: B
Explanation:

Carbon dioxide is described as pollutant or not a pollutant depending on the source of emission. The carbon dioxide which is released from the plants and animals as the end product of the respiration is not considered as a pollutant. The carbon dioxide gas which is released as the exhausts and emissions from the industries causes pollution and are referred as a pollutant. The main role of the gas is in increasing the temperature of Earth and so these are not pollutants

So, the correct answer is '${ CO } _{ 2 }$'

The pollutant that directly affects the nervous system is

business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

  1. Organophosphates

  2. Aldrin

  3. Lindane

  4. all of the above

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Correct Option: D
Explanation:
Lindane, Organophosphates and aldrin are neurotoxins that lead to seizures and convulsions along with other symptoms like vomiting, headache etc. All the three chemicals are insecticides, used on various types of crops, particularly fruits and vegetables
So, the correct answer is 'all of the above'

Industries are the chief source of _____ pollution.

business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

  1. Air

  2. Water

  3. Soil

  4. All of the above

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Correct Option: D
Explanation:

Industries are the chief cases of water, soil and air pollution. All the major cities of India are situated on the banks of some river or the others. Some of the commonly produced industrial waste are boiled ash, metal scraps etc. 

All are particulate pollutants except

business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

  1. Dust

  2. Ozone

  3. Soot

  4. Smoke

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Correct Option: B
Explanation:

Ozone is formed through reactions between the primary nitrogen oxides and hydrocarbons in the presence of sunlight. It is a gaseous pollutant. Particulate matter consists of soot, flash, dust of various types, fur, hair, spores etc. They are classified into settleable and suspended particulate matter. Thus, the correct answer is option B.

Which of the following is considered a type of pollution?

business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

  1. Noise

  2. Radiation

  3. Soil pollution

  4. All of the above

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Correct Option: D
Explanation:

There are five major types of pollution
1.air pollution
2.water pollution
3.soil pollution
4.radiation
5.noise

_______ Is any such constituent which causes pollution.

business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

  1. Radiation

  2. Pollutant

  3. Particulate

  4. All of the above

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Correct Option: B
Explanation:

Pollution is the addition of any such constituent to air,water or land which deteriorate the natural quity of the environment. And Pollutant is any such constituent which causes pollutant.

Air pollution can be

business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

  1. Gaseous

  2. Particulate type

  3. Both A and B

  4. None of the above

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Correct Option: C
Explanation:

The air pollution is basically of two types:
1) Gaseous pollution: harmful gases given out from a variety of sources.
2) Particulate pollution: particles such as those of dust, smoke, mining, stone drilling, wearing of rubber types of motor vehicles.

Which of the following causes pollution?

business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

  1. Radiation

  2. Pollutant

  3. Particulate

  4. All of the above

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Correct Option: B
Explanation:

Pollution is the addition of any such constituent to air, water or land which deteriorates the natural equality of the environment.Pollutant is any such constituent which causes pollution. It degrades the quality of the environment.

Radiation is the emission of high energy particle which may cause mutagenic changes in humans leading to several chronic diseases.
Particulate is the minute suspended particles present in the air.
So, the correct answer is option B.

Pollutants are _____

business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

  1. Solids

  2. Liquids

  3. Gases

  4. All of the above

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Correct Option: D
Explanation:

Pollutant is the addition of any such constituent to air,water or land which deteriorate the natural quality of the environment.

When do we consider environment to be polluted?

business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

  1. When the beauty of environment changes

  2. When the composition of environment changes

  3. When the level of unwanted materials in the environment crosses the permissible limit

  4. None of the above

Show answer
Correct Option: C
Explanation:

Environment is said to be contaminated when there is introduction of some unwanted contaminant in the natural environment. There are certain limitations to the presence of these contaminant upto to which it is considered to be safe. Increase in the level of these would be considered to be polluted.