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प्रश्न
State any two harmful effects of noise pollution on human health.
Mention two harmful effects of noise pollution.
उत्तर
Harmful effects of noise pollution on human health:
- Prolonged exposure to high-decibel noise damages the eardrums and can cause permanent hearing impairment.
- Noise pollution can lead to high blood pressure (hypertension), constant headaches and a lack of concentration.
- It interrupts the thought process, resulting in low efficiency at work.
- It disturbs sleep, which causes irritability and nervous disorders.
- In urban areas, noise pollution from traffic, construction sites and industrial activities can disrupt wildlife habitats and interfere with their ability to communicate and find food.
Notes
Students should refer to the answer according to their questions.
संबंधित प्रश्न
Which one of the following is non-biodegradable?
(A) DDT
(B) Vegetable peel
(C) Cardboard
(D) Bark of trees
Read the passage and identify the sentences expressing types of pollution.
Nilesh is a student of Std. VII and lives in urban area. It takes about an hour to go to the school by bus. He faces the heavy traffic of two wheelers, four wheelers, rickshaws, buses while going to school. He is facing the problem of asthma since last few days, Doctors recommended him to stay away from urban area. Since then, his mother sent him to the village of his maternal uncle, Nilesh saw the heaps of garbage at many places in village. Foul smell of human and animal wastes was present at many places. Blackish water with foul smell was flowing in a stream. He developed some abdominal disease within few days.
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 |
What are Pollutants?
What is pollution?
True or False:
The average home creates more pollution then does the average car.
Explain clearly what is radioactive pollution.
Identify who am I?
I am the type of pollution caused by burning of fossil fuels like petrol or coal and the smoke of burning garbage. I float around and cause breathing problems. I am _______ pollution.
Polluted ______ affects skin, eyes, and respiratory system.
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)
