Natural Resources

Gap-fill exercise

  
Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1. Glucose produced by the plants is utilized to provide to living forms.
2. An increase in temperature of the earth due to trapping of radiations by atmospheric gases is known as effect.
3. Triatomic form of oxygen is .
4. gas is used in the process of respiration, combustion and formation of oxides of nitrogen.
5. Uneven heating of air over land and water bodies results in the generation of .
6. Simultaneous evaporation and condensation of water in atmosphere results in formation.
7. Breakdown of bigger rocks into fine smaller particles is known as .
8. A layer of dead and decayed plant and animal remains called present in the soil.
9. The excessive cutting of trees on a large scale is known as .
10. Planting of trees in the large numbers on deforested land is called .