Rachna Sapra solutions for Geography [English] Class 9 ICSE chapter 16 - Effects of Pollution [Latest edition]

What is/are the harmful effects of acid rain?

Acid rain contains high levels of ______.

Smog is common in winter mornings in ______.

Fly ash is a by-product of ______.

Effects of air pollution are the worst in the season of ______.

Which age group of people is more susceptible to the effects of air pollution?

The following diseases are an outcome of water pollution. Pick the odd one out.

Eutrophication is the outcome of which type of pollution?

Which of the following health issues are caused by noise pollution?

The cause of Chernobyl disaster was ______ pollution.

Assertion (A): Elderly persons get more affected by air pollution.

Reason (R): Air pollution causes Hepatitis A, B, and C.

Assertion (A): Soil erosion may lead to air pollution.

Reason (R): The chemicals in fertilizers dissolve in water and get passed on to the groundwater.

Assertion (A): Pollution works in mysterious ways.

Reason (R): One cannot see if the air being inhaled is clean or polluted.

Assertion (A): Lots of undesirable microorganisms thrive in polluted water.

Reason (R): Standing water becomes the breeding ground for mosquitoes, which cause diseases.

Assertion (A): During the incidence of fires in the buildings more people die from suffocation than the actual burns.

Reason (R): Carbon monoxide is a highly toxic gas.

Deforestation reduces the plant cover, upsetting the balance between oxygen and carbon dioxide. Plants through photosynthesis absorb carbon dioxide and release oxygen. With the depleted forests not able to absorb carbon dioxide, the balance of gases remains in the air, which causes global warming. If global warming is not controlled, it will lead to large-scale changes in the climate of the planet.

1. ‘Ek ped maa ke naam’ is the slogan given by the Honourable Prime Minister of India. Why do you think the head of state is so concerned about the afforestation drive being taken seriously in the country?
2. How is afforestation expected to reduce the threat of global warming?

“In 2004, the Supreme Court of India ordered the Madhya Pradesh Govt to supply clean drinking water to the residents of Bhopal.”

“In 2010, several former executives of Union Carbide’s India subsidiary were convicted of negligence in the disaster caused by a Bhopal gas leak.”

1. What was manufactured by the Union Carbide at Bhopal?
2. Why the Supreme Court had to intervene to provide clean drinking water to the residents of Bhopal?

State four effects of fresh water pollution.

What is the major effect of oil spills on marine life and birds?

How does soil pollution affect human life?

What is eutrophication?

What have been the long-term effects of the Bhopal Gas Tragedy?

What is the reason for fluorosis?

How does radiation pollution harm the environment?

What were the immediate effects of the Chernobyl Nuclear accident?

What were the long-term effects of the Chernobyl Nuclear accident?

What causes groundwater pollution?

How do the earthworms help to enhance the fertility of the soil?

Why are nuclear radiations more dangerous than other forms of pollution?

Mention two effects of acid rain.

What are the harmful effects of noise pollution?

Define the term Methemoglobinemia.

What do you know about the Chernobyl nuclear disaster?

“Mercury is the most dangerous chemical pollutant”. Justify.

Pesticides, which are very useful in getting rid of pests and diseases in plants, are very dangerous pollutants. Why?

How do the greenhouse gases lead to climatic changes?

Deforestation has indirectly led to an increase in air pollution. Explain.

What is the average presence of carbon dioxide in percentage in a given volume of air?

Draw a neat, labelled diagram to show the Oxygen Cycle.