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प्रश्न
What are Pollutants?
उत्तर १
Pollutants are harmful chemicals and substances that cause pollution. For example, nitrogen oxides, sulphur oxides, carbon monoxide, pesticides etc.
उत्तर २
- Toxic gases and fine particles from burning fossil fuels, chemicals released from factories.
- Sewage, industrial effluents, pesticides, and fertilizers
- Plastics and electronics are land pollutants.
APPEARS IN
संबंधित प्रश्न
Differentiate between primary pollutants and secondary pollutants.
State any two harmful effects of noise pollution on human health.
Which one of the following is non-biodegradable?
(A) DDT
(B) Vegetable peel
(C) Cardboard
(D) Bark of trees
Given below is a representation of a type pollution.
Study the picture and answer the questions :
1) Name the type of pollution shown in the picture
2) Name one source of this pollution
3) How does this pollution affect human health?
4) Write one measure to reduce this pollution
5) State one gaseous compound that leads to the depletion of the ozone layer and creates ‘Ozone holes’.
Identify the ODD term in each set and name the CATEGORY to which the remaining three belong :
Example : glucose, starch, cellulose, calcium
Odd term : calcium
Category : others are different types of carbohydrates
Polythene bag, Crop residue, Animal waste, Decaying vegetable.
Following is a statement about pollution. Which type of pollution does it express?
Many times, vomiting and dysentery occurs after eating 'pani puri'
Construct two slogans each on air, water and soil pollution.
What is the full form of 4 R's?
Explain the Term: Particulate pollutant
With an example, state what are secondary pollutants?
What is the connection between urbanisation and air pollution?
Distinguish between the following :
Quantitative Pollutants and Qualitative Pollutants.
With reference to pollution, explain the following:
Water pollution
What’s the solution?
Rivers and lakes are filled with water hyacinth.
Identify who am I?
I am the type of pollution caused by using too much chemical fertilizers and pesticides by farmers. I lower the quality of soil and even move chemicals into plant parts which are eaten by people. I am _____ pollution.
Match the following:
| i. | Burning coal | a. | Land pollution |
| ii. | Throwing plastic | b. | Noise pollution |
| iii. | Wastewater from factories is mixed with river | c. | Air pollution |
| iv. | Louder horn of vehicle | d. | Water pollution |
Give two examples of gaseous air pollutants.
Give two examples of Particulate pollutants.
