ICSE Class 10 2026 Environmental Science (Group II Elective) Question Paper with Solution PDF : Available Here

The process by which plants make their own food is called:

• (A) Respiration
• (B) Photosynthesis
• (C) Transpiration
• (D) Fermentation

Water pollution : Eutrophication :: Air pollution : _____ .

• (A) Desalination
• (B) Acid Rain
• (C) Desertification
• (D) Natural calamities

A suitable strategy for controlling population growth in India is:

• (A) Encouraging early marriage
• (B) Allowing people of other countries to settle in India
• (C) Implementing family planning programs
• (D) Accelerating birth rate

A satellite city is:

• (A) Smaller municipality that is a part of larger metropolitan area
• (B) Larger municipality that is a part of larger metropolitan area
• (C) Smaller municipality that is a part of smaller metropolitan area
• (D) Larger municipality that is a part of smaller metropolitan area

Which of the following practices is most effective in preventing soil erosion?

• (A) Mulching
• (B) Monoculture farming
• (C) Ploughing
• (D) Trickle drip irrigation

The city council is planning to address issues of traffic congestion in urban area. As a student representative, which strategy would you recommend for traffic management?

• (A) Constructing more parking lots to accommodate increasing vehicle numbers.
• (B) Expanding National highways to connect different cities.
• (C) Promoting public transportation and building dedicated lanes for buses.
• (D) Encouraging more private vehicle ownership.

Rearrange the following steps in the ascending order that trace the rate of solid waste management:
Step i : Transportation of waste.
Step ii : Collection of waste.
Step iii : Waste disposal.
Step iv : Segregation of waste.

• (A) Step iv, Step iii, Step ii, Step i
• (B) Step i, Step ii, Step iii, Step iv
• (C) Step ii, Step iv, Step i, Step iii
• (D) Step iii, Step i, Step iv, Step ii

Biogas plants are popular in rural areas because:

• (A) There is plenty of organic raw materials in rural areas.
• (B) It increases the reliance on fossil fuels.
• (C) The farmers are dependent on the manure produced in biogas plants.
• (D) It is a non-renewable source of energy.

Biosphere is an example of:

• (A) Environmental conservation
• (B) Ex-situ conservation
• (C) Animal conservation
• (D) In-situ conservation

Incineration is used to dispose:

• (A) Non-toxic recyclable waste
• (B) Organic domestic waste
• (C) Toxic inorganic waste
• (D) Inorganic recyclable waste

Think good to wildlife,
Be good to wildlife, and
Do good to wildlife.
According to the slogan, which of the following is not associated in conserving wildlife:

• (A) Wildlife Management.
• (B) Afforestation.
• (C) Poaching of animals.
• (D) Educating for wildlife protection.

Assertion (A): Cooperation can be achieved by the International Treaties and Agreements.
Reason (R): Global pollution can be resolved by cooperation among Nations.

• (A) A is True, R is False.
• (B) A is False, R is True.
• (C) Both A and R are True, and A is the correct explanation of R.
• (D) Both A and R are True, and R is the correct explanation of A.

Green manure acts as a solidifying matter that:

• (A) Increases alkalinity of the soil.
• (B) Decreases alkalinity of the soil.
• (C) Increases acidity of the soil.
• (D) Decreases acidity of the soil.

What is the primary source of energy for the Earth?

• (A) Wind
• (B) Sun
• (C) Fossil fuels
• (D) Water

Which gas is most responsible for global warming?

• (A) Oxygen
• (B) Carbon dioxide
• (C) Nitrogen
• (D) Hydrogen

What is TTZ? State the initiatives taken by the Government of India to reduce the pollution caused by the industries covered under TTZ.

State five features of plants that can be used for energy plantations.

What do you mean by land reform legislation? Write three objectives of land reforms which helped the landless people.

Explain the role of Gene Bank in agricultural research.

"Secondary Cities are the emerging engines in the rapid pace of urbanization."


Write five steps that can be taken to develop Secondary Cities.

What is food aid? State the causes for the imbalance of food supply in the World.

List two differences between chemical fertilizers and organic fertilizers.

State any two ways by which wetlands are important for us.

What is incineration? What kinds of wastes are incinerated?

State five features of plants that can be used for energy plantations.

What do you mean by land reform legislation? Write three objectives of land reforms which helped the landless people.

What is GEF? How does GEF help in bringing about sustainability?

Discuss two advantages and three disadvantages of MNC's in developing countries.

What is nuclear fission? Why is nuclear fission useful to mankind?

How can Community Forestry be developed?

Write two effects of the action of man on biodiversity of Earth.

How can private enterprises help in improving cities?

State any two advantages of Tree Planting.

What are the main aims of Integrated Plant Nutrient Management?

Write two important causes of air pollution.

What factors can change the demography of a country?

How can rainwater harvesting help in water conservation? Describe the method briefly.

Suggest ways to reduce air pollution in urban areas.

Explain the impact of deforestation on the environment.

What are biodegradable and non-biodegradable wastes? Give two examples of each.

Discuss the role of individuals in protecting the environment.