7th Class Memory Science: Environment and Ecology
30 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

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?

    <p>A community of living organisms and their physical environment</p> Signup and view all the answers

    What does pollution refer to?

    <p>Adding harmful substances to the environment</p> Signup and view all the answers

    Which human activity has a negative impact on the environment?

    <p>Using plastic bags</p> Signup and view all the answers

    What is the greenhouse effect?

    <p>Trapping heat in the Earth's atmosphere</p> Signup and view all the answers

    What is conservation of environment?

    <p>Preservation and protection of environment</p> Signup and view all the answers

    What is biodiversity?

    <p>Variety of plants and animals in an area</p> Signup and view all the answers

    What does urbanization refer to?

    <p>Growth and expansion of cities</p> Signup and view all the answers

    What are natural resources?

    <p>Resources found in nature with economic value</p> Signup and view all the answers

    Which of the following is a nonrenewable resource?

    <p>Coal</p> Signup and view all the answers

    What is soil erosion?

    <p>Movement of soil from one place to another</p> Signup and view all the answers

    What is Afforestation?

    <p>Planting trees in a barren area</p> Signup and view all the answers

    What is biodiversity hotspot?

    <p>A region with high biodiversity under threat</p> Signup and view all the answers

    What does desertification refer to?

    <p>Expansion of deserts due to human activities</p> Signup and view all the answers

    What is the ozone layer?

    <p>A protective layer in the Earth's atmosphere</p> Signup and view all the answers

    What is global warming?

    <p>Increase in Earth's average surface temperature</p> Signup and view all the answers

    What is ecotourism?

    <p>Sustainable tourism that supports conservation efforts</p> Signup and view all the answers

    What is a watershed?

    <p>An area where water flows from rivers to oceans</p> Signup and view all the answers

    Who is the head of the state in India?

    <p>President</p> Signup and view all the answers

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

    <p>Separation</p> Signup and view all the answers

    What is the highest lawmaking body in India?

    <p>Parliament</p> Signup and view all the answers

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

    <p>Part III</p> Signup and view all the answers

    Who is considered the father of the Indian Constitution?

    <p>Dr.B.R.Ambedkar</p> Signup and view all the answers

    Who interprets the Constitution of India?

    <p>Judiciary</p> Signup and view all the answers

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

    <p>Executive</p> Signup and view all the answers

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

    <p>Healthcare</p> Signup and view all the answers

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

    <p>Ministry of Health and Family Welfare</p> Signup and view all the answers

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

    <p>Pandemic</p> 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.

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Related Documents

    7th_class_.docx

    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.

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser