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ENVS1003 > Unit-3: Environmental Pollution > Flashcards

Unit-3: Environmental Pollution Flashcards

1
Q

What is air pollution?

A

Air pollution is the contamination of the atmosphere by harmful substances like gases, dust, and smoke.

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2
Q

Name two causes of air pollution.

A

Industrial emissions and vehicular exhaust.

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3
Q

Mention one effect of air pollution on health.

A

It causes respiratory problems like asthma and bronchitis.

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4
Q

Give one control measure for air pollution.

A

Promote the use of cleaner fuels like CNG and renewable energy.

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5
Q

Q: Define water pollution.

A

A: Water pollution is the contamination of water bodies by harmful substances such as chemicals and waste.

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6
Q

Q: Name one cause of water pollution.

A

A: Untreated industrial discharge into rivers.

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7
Q

Q: State one effect of water pollution.

A

A: It causes waterborne diseases like cholera and dysentery.

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8
Q

Q: What is one way to control water pollution?

A

A: Treating wastewater before discharging it into water bodies.

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9
Q

Q: What is soil pollution?

A

A: Soil pollution is the contamination of soil due to chemicals, waste, and other harmful substances.

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10
Q

Q: Name one cause of soil pollution.

A

A: Excessive use of pesticides and fertilizers.

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11
Q

Q: State one effect of soil pollution.

A

A: Loss of soil fertility and contamination of crops.

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12
Q

Q: How can soil pollution be controlled?

A

A: By promoting organic farming and reducing chemical use.

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13
Q

Q: Define marine pollution.

A

A: Marine pollution is the contamination of oceans and seas by pollutants like plastics and oil spills.

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14
Q

Q: Name one source of marine pollution.

A

A: Dumping of plastic waste into the ocean.

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15
Q

Q: What is one effect of marine pollution?

A

A: It harms aquatic ecosystems and marine life.

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16
Q

Q: Suggest one way to reduce marine pollution.

A

A: Implement strict laws against ocean dumping.

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17
Q

Q: What is noise pollution?

A

A: Noise pollution is the excessive and harmful levels of sound in the environment.

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18
Q

Q: Mention one source of noise pollution.

A

A: Traffic on roads.

19
Q

Q: State one effect of noise pollution on humans.

A

A: Hearing loss and increased stress levels.

20
Q

Q: How can noise pollution be controlled?

A

A: By using soundproof materials and limiting loudspeaker use.

21
Q

Q: What is thermal pollution?

A

A: Thermal pollution is the rise in water temperature due to the discharge of heated water by industries.

22
Q

Q: Name one cause of thermal pollution.

A

A: Power plants releasing hot water into rivers.

23
Q

Q: State one effect of thermal pollution.

A

A: It reduces oxygen levels in water, harming aquatic life.

24
Q

Q: How can thermal pollution be minimized?

A

A: By using cooling ponds or towers.

25
Q

Q: Define plastic pollution.

A

A: Plastic pollution is the accumulation of plastic products in the environment, affecting ecosystems.

26
Q

Q: Name one cause of plastic pollution.

A

A: Overuse of single-use plastics.

27
Q

Q: What is one effect of plastic pollution?

A

A: It harms marine animals who ingest plastics.

28
Q

Q: Suggest one control measure for plastic pollution.

A

A: Promote the use of biodegradable alternatives.

29
Q

Q: What is radioactive pollution?

A

A: Radioactive pollution is the release of radioactive substances into the environment.

30
Q

Q: Name one source of radioactive pollution.

A

A: Nuclear power plant accidents.

31
Q

Q: State one effect of radioactive pollution.

A

A: It causes cancer and genetic mutations.

32
Q

Q: How can radioactive pollution be controlled?

A

A: Proper disposal of nuclear waste and safety measures in plants.

33
Q

Q: What is solid waste management?

A

A: It is the process of managing solid waste to reduce its environmental impact.

34
Q

Q: Name one cause of solid waste accumulation.

A

A: Rapid urbanization

35
Q

Q: State one effect of solid waste.

A

A: Overflowing landfills lead to air, water, and soil pollution.

36
Q

Q: How can solid waste be managed effectively?

A

A: Through recycling, composting, and waste segregation at the source.

37
Q

Q: How can individuals prevent air pollution?

A

A: By using public transport and conserving energy.

38
Q

Q: Name one way an individual can reduce water pollution.

A

A: Avoid disposing of chemicals or oils down the drain.

39
Q

Q: What is one action individuals can take to manage solid waste?

A

A: Practice the 3Rs: Reduce, Reuse, Recycle.

40
Q

Q: How can individuals prevent plastic pollution?

A

A: Use reusable bags and avoid single-use plastics.

41
Q

Q: What are the causes of earthquakes?

A

A: Movement of tectonic plates or volcanic activity.

42
Q

Q: State one effect of a cyclone.

A

A: Flooding and destruction of infrastructure.

43
Q

Q: What is the impact of landslides?

A

A: Loss of land and blockage of roads.

44
Q

Q: What is one role of disaster management in earthquakes?

A

A: Providing early warning systems and rescue operations.

ENVS1003 (5 decks)

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