Our Environment: Ozone Layer, Waste & Sustainability
Science · Grade 9 · Week 42 · 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
- Find the mean of data sets
- Identify types and sources of pollution
- Explain how ecosystems maintain balance
- Understand the importance of biodiversity
All 25 questions in this Our Environment: Ozone Layer, Waste & Sustainability quiz
Grade 9 Science — Our Environment: Ozone Layer, Waste & Sustainability: 25 practice questions with instant scoring and explanations.
- The ozone layer is located in which layer of the atmosphere?
- What is the primary function of the ozone layer?
- Which chemical compound was primarily responsible for ozone layer depletion?
- The Montreal Protocol was signed to:
- Which of the following is a biodegradable waste?
- Non-biodegradable waste includes:
- Landfill disposal of waste is problematic because:
- Incineration of waste produces:
- The best approach to waste management is:
- Carbon footprint refers to:
- Which activity has the highest carbon footprint?
- Sustainable development means:
- Which gas is most responsible for the greenhouse effect?
- The ozone hole refers to:
- Composting converts organic waste into:
- The main source of methane emissions is:
- Recycling paper saves:
- Which of the following is a renewable resource?
- Eutrophication in water bodies is caused by:
- The 'Green House Effect' without human activity would:
- Plastic takes approximately _____ years to decompose.
- Acid rain is primarily caused by:
- Which renewable energy source helps reduce carbon footprint?
- E-waste (electronic waste) is problematic because it contains:
- The carbon cycle includes:
Question 1 of 250 correct so far