Advertisements
Advertisements
प्रश्न
Following is a statement about pollution. Which type of pollution does it express?
Crop does not grow up in some areas.
उत्तर
Soil pollution
संबंधित प्रश्न
Which one of the following is non-biodegradable?
(A) DDT
(B) Vegetable peel
(C) Cardboard
(D) Bark of trees
Following is a statement about pollution. Which type of pollution does it express?
Problem of sneezing occurs sometimes during visit to garden.
Match the pairs from 'A' and 'B' columns and explain the effect of pollution on human health.
| Column 'A' | Column 'B' |
| 1. Water containing cobalt | a. Mental retardedness |
| 2. Methane gas | b. Paralysis |
| 3. Water containing lead | c. Inflammation of lungs. |
| 4. Sulphur dioxide | d. Skin cancer |
| 5. Nitrogen dixoide | e. Irritation of eyes |
True or false.
Water does not get polluted by washing the cloths in running water of river.
Which are invisible pollutants?
Explain the Term: Pollution
Name any three air pollutants and the sources of each of them
Name one industry which pollutes the atmosphere with gaseous as well as with particulate matter.
Why should we avoid soil pollution?
Complete the crossword puzzle with the help of clues given below :
Across
1. Pollutant which was used in refrigerators and air conditioners. (18)
3. Produced on incomplete combustion of fuels (14)
6. This chemical protects our crops and is washed into water bodies from the field. (9)
Down
2. This layer protects us from harmful ultraviolet rays. (5)
4. It is essential for combustion. (6)
5. Disease which is caused by drinking contaminated water. (7)
7. River which is famous in India and sustains most of the northern, central and eastern Indian population. (5)
