
Natural Resources โ Soil and Biogeochemical Cycles
Science ยท Grade 9 ยท Week 24 ยท 25 questions
Natural resources โ water, air, minerals, forests โ are the foundation of life and economy. Understanding how to use and conserve them responsibly is crucial for future generations.
What you'll practise
- Identify renewable and non-renewable resources
- Explain why conservation matters
- Describe sustainable resource management
- Understand the impact of overexploitation
All 25 questions in this Natural Resources โ Soil and Biogeochemical Cycles quiz
Grade 9 Science โ Natural Resources โ Soil and Biogeochemical Cycles: 25 practice questions with instant scoring and explanations.
- Soil is formed by:
- The process of soil formation takes:
- Soil degradation is caused by:
- Soil erosion is primarily caused by:
- Soil conservation methods include:
- The nitrogen cycle involves:
- Nitrogen fixation is the process where:
- Nitrogen-fixing bacteria are found in:
- Nitrification is the process where:
- Denitrification is the process where:
- The carbon cycle includes:
- Photosynthesis removes carbon dioxide from the atmosphere and:
- Respiration returns carbon dioxide to the atmosphere from:
- Decomposition is important in biogeochemical cycles because it:
- The oxygen cycle involves:
- Oxygen is produced in the oxygen cycle by:
- Oxygen is consumed in the oxygen cycle by:
- The phosphorus cycle differs from nitrogen and carbon cycles because:
- Phosphorus is essential for:
- Biogeochemical cycles are important because they:
- Eutrophication in water bodies is caused by excess:
- Soil pH affects nutrient availability because:
- Humus in soil is formed from:
- The impact of human activities on biogeochemical cycles includes:
- Waste decomposition and nutrient cycling are handled by:
Question 1 of 250 correct so far