7th Class Memory Science: Environment and Ecology

Questions and Answers

What is environment?

The study of plants and animals

The surroundings in which plants, animals, and humans live and interact (correct)

The process of deforestation

The process of urbanization

Which of the following is a component of natural environment?

Cars and factories

Furniture and electronics

Roads and buildings

Air and water (correct)

What is deforestation?

Planting new trees

Cutting down trees in large numbers (correct)

Protecting forests

Studying forests

What is an ecosystem?

A community of living organisms and their physical environment Signup and view all the answers

What does pollution refer to?

Adding harmful substances to the environment Signup and view all the answers

Which human activity has a negative impact on the environment?

Using plastic bags Signup and view all the answers

What is the greenhouse effect?

Trapping heat in the Earth's atmosphere Signup and view all the answers

What is conservation of environment?

Preservation and protection of environment Signup and view all the answers

What is biodiversity?

Variety of plants and animals in an area Signup and view all the answers

What does urbanization refer to?

Growth and expansion of cities Signup and view all the answers

What are natural resources?

Resources found in nature with economic value Signup and view all the answers

Which of the following is a nonrenewable resource?

Coal Signup and view all the answers

What is soil erosion?

Movement of soil from one place to another Signup and view all the answers

What is Afforestation?

Planting trees in a barren area Signup and view all the answers

What is biodiversity hotspot?

A region with high biodiversity under threat Signup and view all the answers

What does desertification refer to?

Expansion of deserts due to human activities Signup and view all the answers

What is the ozone layer?

A protective layer in the Earth's atmosphere Signup and view all the answers

What is global warming?

Increase in Earth's average surface temperature Signup and view all the answers

What is ecotourism?

Sustainable tourism that supports conservation efforts Signup and view all the answers

What is a watershed?

An area where water flows from rivers to oceans Signup and view all the answers

Who is the head of the state in India?

President Signup and view all the answers

What is the term used to describe the power sharing among different organs of government?

Separation Signup and view all the answers

What is the highest lawmaking body in India?

Parliament Signup and view all the answers

Which part of the Constitution deals with the fundamental rights of citizens?

Part III Signup and view all the answers

Who is considered the father of the Indian Constitution?

Dr.B.R.Ambedkar Signup and view all the answers

Who interprets the Constitution of India?

Judiciary Signup and view all the answers

Which organ of government is responsible for the administration of laws?

Executive Signup and view all the answers

What is the system of providing medical care to individuals called?

Healthcare Signup and view all the answers

Which governmental organization is responsible for public health policies in India?

Ministry of Health and Family Welfare Signup and view all the answers

What is the term used for a disease that spreads across a large region or even worldwide?

Pandemic Signup and view all the answers

Study Notes

Environmental Science

Environment refers to the surroundings in which plants, animals, and humans live and interact.

Natural Environment

Components of the natural environment include air and water.
Natural resources are resources found in nature with economic value.

Deforestation and Afforestation

Deforestation is the process of cutting down trees in large numbers.
Afforestation is the process of planting trees in a barren area.

Ecosystems and Biodiversity

An ecosystem is a community of living organisms and their physical environment.
Biodiversity refers to the variety of plants and animals in an area.

Pollution and Conservation

Pollution refers to the introduction of harmful substances or contaminants into the environment, causing adverse effects.
Conservation refers to the act of preserving, guarding, or protecting the natural environment, resources, and wildlife.

Human Impact on the Environment

Human activities such as deforestation, urbanization, and the use of non-renewable resources can have a negative impact on the environment.
Urbanization refers to the growth and expansion of cities.

Renewable and Non-Renewable Resources

Renewable resources are resources that can be naturally replaced or replenished within a human lifespan.
Non-renewable resources are resources that are finite and cannot be easily replaced or regenerated.

Environmental Issues

Desertification refers to the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture.
Global warming refers to the long-term rise in Earth's average temperature due to human activities, primarily the emission of greenhouse gases.
The ozone layer is a layer in the Earth's stratosphere that contains a high concentration of ozone molecules, which absorbs and blocks ultraviolet radiation from the sun.

Ecotourism and Watersheds

Ecotourism refers to sustainable tourism that supports conservation efforts.
A watershed is an area of land where all of the water that falls within it drains or flows downhill into a common waterbody, such as a river, lake, or ocean.

Indian Government and Constitution

The head of the state in India is the President.
The highest lawmaking body in India is the Parliament.
The Constitution of India deals with the fundamental rights of citizens in Part III.
Dr. B.R. Ambedkar is considered the father of the Indian Constitution.

Healthcare and Pandemics

Healthcare refers to the system of providing medical care to individuals.
The Ministry of Health and Family Welfare is the governmental organization responsible for public health policies in India.
A pandemic refers to a disease that spreads across a large region or even worldwide.

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Description

Practice multiple choice questions on environment and ecology for 7th class students. Covers topics such as definition of environment, natural environment components, and deforestation.