Pollution

What you seen in the right side of this picture?

• Global warming

• Pollution

• Deforestation

• Ozone depletion

In many developing countries people use _______ contaminated by hazardous waste and sewage.

Which is NOT mentioned as a source of soil pollution?

• hazardous wastes

• use of pesticides

• smoke from factories

• Long live pesticides

Pollution is mainly caused by?

• Human activities

• Trees

• Sea waves

• Heavy rain

Most polluted city in India?

• Kolkata

• Imphal

• New Delhi

• Chennai

Premature deaths caused by pollution are expected to increase as more people move to

• developed nations

• urban centres

• country towns

• Mountain areas

Which type of pollution is shown in this picture ?

Sound above what level is considered as hazardous noise pollution?

• 30 dB

• 60 dB

• 80 dB

• 10 dB

Water with______ is called polluted water.

Which pollution does this picture shows?