Water pollution is primarily caused by ___ activities.

Human

True or False: Natural sources of water pollution include erosion and landslides.

True

Fill in the blank: A pollutant can be a substance that is present in ___ concentrations than usual.

Higher

What are the two main categories of sources of water pollution?

Natural and human sources

True or False: The introduction of harmful substances into water bodies degrades water quality for human use.

True

Fill in the blank: Water becomes polluted when the amount of harmful substances exceeds a certain ___ .

Level

Short Answer: What is the effect of industrial activities on water quality?

Industrial activities are a major source of water pollution, leading to contamination and degradation of water quality.

Contaminated water can lead to serious health problems, including ___ and ___ diseases.

Diarrhea and hepatitis

True or False: The Namami Ganga Programme aims to primarily focus on industrial waste management and urban development.

False. The Namami Ganga Programme aims to develop sewage systems, enhance riverfronts, promote afforestation, and raise public awareness to reduce pollution.

What are the main sources of air pollution?

Burning fossil fuels, mining, and industrial activities that emit substances like oxides of sulfur, nitrogen, hydrocarbons, carbon dioxide, carbon monoxide, lead, and asbestos.

Air pollution can lead to serious health issues affecting which systems of the body?

Respiratory, nervous, and circulatory systems.

Noise pollution is characterized by sound levels measured in ___ (unit).

Decibels (dB)

True or False: Acid rain is a direct result of water pollution from industrial waste.

False. Acid rain is caused by air pollution, particularly from toxic gases that react with water vapor in the atmosphere.

Fill in the blank: The presence of harmful substances in the Earth's atmosphere is referred to as ___.

Air pollution

What is urban smog and what causes it?

Urban smog is a thick, smoky fog that appears in cities due to air pollution, primarily from industrial emissions and vehicle exhaust.

Noise pollution is primarily caused by ___, mechanized construction, and ___ activities.

Factories; transportation

True or False: Traffic noise is the only contributor to noise pollution.

False; Other contributors include industrial noise, construction activities, and community events.

What are the primary sources of industrial noise pollution?

The primary sources include machine operations, tools used in manufacturing, and the type of industry.

In urban areas, noise pollution can lead to mental health issues such as ___ and ___.

Anxiety; tension

True or False: The intensity of noise pollution increases as one moves farther from its source.

False; The intensity of noise pollution decreases with increasing distance from the source.

Fill in the blank: Noise pollution from sea traffic is primarily limited to the ___ due to loading and unloading activities.

Harbor

What factors influence the intensity and nature of traffic noise?

Factors include the type of vehicle, road condition, and vehicle condition.

Urban areas often struggle with solid waste management due to ___ and ___ infrastructure.

Growing populations and insufficient

True or False: Industrial waste is usually disposed of in well-managed sites to prevent environmental issues.

False. Industrial waste is usually disposed of in low-lying public areas or landfills, leading to environmental concerns.

What percentage of waste is effectively collected in smaller towns compared to major cities?

In smaller towns, only 30-50% of waste is properly collected, while major cities manage about 90%.