Science quiz illustration

Pollution and Conservation

Science ยท Grade 7 ยท Week 28 ยท 25 questions

Our environment is a delicate web of living and non-living things that depend on each other. Understanding ecosystems and environmental challenges is essential for protecting the planet.

What you'll practise

  • Identify types and sources of pollution
  • Explain how ecosystems maintain balance
  • Understand the importance of biodiversity
  • Describe conservation methods and their impact
All 25 questions in this Pollution and Conservation quiz

Grade 7 Science โ€” Pollution and Conservation: 25 practice questions with instant scoring and explanations.

  1. Which gas is primarily responsible for air pollution in cities?
  2. What is the main source of water pollution in India?
  3. Soil pollution can be caused by
  4. Which gas is responsible for the greenhouse effect?
  5. Ozone depletion is mainly caused by
  6. Which of the following is a conservation method?
  7. Air pollution can cause
  8. What does acid rain contain?
  9. The stratosphere contains
  10. Which activity contributes most to greenhouse gas emissions?
  11. Noise pollution can cause
  12. Which is a renewable resource?
  13. The ozone hole is most prominent over
  14. Which pollutant causes eutrophication in water bodies?
  15. Conservation of biodiversity involves
  16. Which country has the largest carbon footprint?
  17. Reducing plastic use helps in preventing
  18. Smog is a combination of
  19. Which gas contributes most to global warming?
  20. Afforestation refers to
  21. Which of these practices reduces water pollution?
  22. The primary source of noise pollution is
  23. Bioaccumulation refers to
  24. Which material is most harmful to marine life?
  25. Environmental protection starts with
Question 1 of 250 correct so far

Which gas is primarily responsible for air pollution in cities?