Class 5 EVS Pollution Worksheet
Fill in the blanks. (1 mark each × 4 = 4 marks)
- Sleep disorder is an effect of _______________.
- Asthma is a result of _______________.
- Aquatic life gets affected due to _______________.
- Air pollution can be controlled by using cleaner fuels like _______________.
State whether the statements are True or False. (1 mark each × 4 = 4 marks)
- Biodegradable waste causes soil pollution. ______
- Natural fertilisers do not cause pollution. ______
- Air pollution can cause global warming. ______
- Use of renewable sources of energy like solar energy, wind energy, etc. can cause air pollution. ______
Match the following. (1 mark each × 4 = 4 marks)
| Column A | Column B |
| a. Noise pollution | i. CNG |
| b. Renewable energy | ii. Typhoid and jaundice |
| c. Cleaner fuel | iii. Solar and wind energy |
| d. Water pollution diseases | iv. Loudspeakers and traffic |
Write your answers:
a → ____, b → ____, c → ____, d → ____
Answer in one or two sentences. (2 marks each × 5 = 10 marks)
- Mention the natural activities that cause air pollution.
- What is the ozone layer and how is it damaged?
- Name any two effects of water pollution.
- What is sewage?
- Write two causes of soil pollution.
Short answer type questions. (3 marks each × 3 = 9 marks)
- List any three ways to control water pollution.
- What are the causes and effects of noise pollution?
- Write any three effects of air pollution.
Long answer type questions. (5 marks each × 2 = 10 marks)
- Explain the differences between biodegradable and non-biodegradable waste with examples.
- Suggest five measures to control air pollution.
Class 5 EVS Pollution Worksheet answer key
Fill in the blanks. (4 marks)
- noise pollution
- air pollution
- water pollution
- CNG (Compressed Natural Gas)
State whether the statements are True or False. (4 marks)
- False (Biodegradable waste decays naturally and does not cause pollution)
- True
- True
- False (Renewable sources do not cause air pollution)
Match the following. (4 marks)
- a → iv
- b → iii
- c → i
- d → ii
Answer in one or two sentences. (10 marks)
1. Natural activities that cause air pollution are:
- Sandstorms and cyclones
- Forest fires and volcanoes
- Pollen from flowers
2. The ozone layer is a protective shield around the Earth that blocks harmful UV rays.
3. It is damaged by pollutants like chlorofluorocarbons (CFCs) released due to air pollution.
4. Two effects of water pollution:
- Spread of diseases like jaundice, typhoid, cholera, and hepatitis
- Harm to aquatic life
- Sewage is dirty water carrying waste from toilets or baths.
5. Two causes of soil pollution:
- Use of chemical fertilisers and pesticides
- Dumping of non-biodegradable waste
Short answer type questions. (9 marks)
1. Three ways to control water pollution:
- Treat factory waste before releasing into water bodies
- Avoid throwing idols and stop ceremonial bathing in rivers
- Separate biodegradable and non-biodegradable waste and dispose responsibly
2. Causes and effects of noise pollution:
- Causes: Horns and traffic, loudspeakers, engines
- Effects: Headaches, sleep disorders, irritation, and hearing loss
3. Three effects of air pollution:
- Holes in the ozone layer leading to skin problems
- Breathing problems like asthma and allergies
- Global warming and acid rain
Long answer type questions. (10 marks)
Difference between biodegradable and non-biodegradable waste:
| Biodegradable Waste | Non-Biodegradable Waste |
| Decays naturally | Does not decay easily |
| Causes less harm | Harms soil and environment |
| Example: food waste | Example: plastic bags, metal |
Five measures to control air pollution:
- Reduce use of fossil fuels like coal
- Use renewable energy sources
- Encourage use of CNG in vehicles
- Promote public transport
- Reduce the use of chemical pesticides and fertilisers
