
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.
- Which gas is primarily responsible for air pollution in cities?
- What is the main source of water pollution in India?
- Soil pollution can be caused by
- Which gas is responsible for the greenhouse effect?
- Ozone depletion is mainly caused by
- Which of the following is a conservation method?
- Air pollution can cause
- What does acid rain contain?
- The stratosphere contains
- Which activity contributes most to greenhouse gas emissions?
- Noise pollution can cause
- Which is a renewable resource?
- The ozone hole is most prominent over
- Which pollutant causes eutrophication in water bodies?
- Conservation of biodiversity involves
- Which country has the largest carbon footprint?
- Reducing plastic use helps in preventing
- Smog is a combination of
- Which gas contributes most to global warming?
- Afforestation refers to
- Which of these practices reduces water pollution?
- The primary source of noise pollution is
- Bioaccumulation refers to
- Which material is most harmful to marine life?
- Environmental protection starts with
Question 1 of 250 correct so far