NATURAL RESOURCES
TEST
Maximum time: 35 minutes
Maximum marks: 20 marks
1. Define Nitrification. (1)
2. Name four factors which lead to soil formations (2)
3. What make the quality and type of soils? (2)
4. How does atmosphere help in climate control? (2)
5. What is acid rain? Give its harmful effects. (3)
6. What is greenhouse effect? Why it is named so? (3)
7. What is the importance of ozone to mankind? (3)
8. Explain the physical, chemical and biological factors which lead to the formation of soil. (4)