(i) What is pollution?
(a) The environment itself
(b) Harmful substances added to the environment
(c) Non-living things in the environment
(d) The process of recycling
(ii) Which of the following is NOT a type of pollution?
(a) Water pollution
(b) Light pollution
(c) Land pollution
(d) Noise pollution
(iii) How does water pollution occur in ponds and lakes?
(a) By oil spills
(b) Through air pollution
(c) When there is a storm or windy conditions
(d) By bathing and washing clothes
(iv) What are the major ill effects of water pollution?
(a) Increased oxygen levels
(b) Promotion of marine life
(c) Diseases like typhoid and dysentery
(d) Improved water quality for cooking and drinking
(v) What is the primary cause of air pollution?
(a) Forest fires
(b) Vehicle horns
(c) Burning of crackers
(d) Mining activities
(i) Land pollution is caused by the excessive use of _______.
(ii) Noise pollution can have an adverse effect on _______.
(iii) The method of waste disposal where waste materials are dumped in deep ditches is called _______.
(iv) Biodegradable waste is decomposed by _______ found in the soil.
(v) The three Rs for environmental conservation are Reduce, Recycle, and _______.
(i) Noise pollution is caused by low-decibel sounds.
(ii) Dumping of waste materials in open areas is a safe waste disposal method.
(iii) Recycling is the process of acquiring only what we can use to the fullest.
(iv) Non-biodegradable wastes dissolve easily in the soil.
(v) Global warming is a result of water pollution.
1. What is pollution and how does it impact the environment? |
2. What are the different types of pollution? |
3. How can we prevent pollution? |
4. What are the consequences of pollution on human health? |
5. How can we contribute to the conservation of the environment? |
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