Q1. What is the total land surface area of the earth?
Q2. On the basis of ownership, what is division of land?
Q3. Which country is the leading grain exporter?
Q4. Define Humus.
Q5. Which two climatic factors affect the process of soil formation?
Q6. Define afforestation.
Q7. What is inter cropping?
Q8. Why earth is called a blue planet?
Q9. Which countries are prone to drought conditions?
Q10. Give examples of the countries who are facing extreme shortage of fresh water supply?
Answers
Q.1 ans -510.1 million km²
Q.2 ans - On the basis of ownership land can be classified as private land and community land. :Community Land — owned by any community and can be used for common works like collection of fruits, nuts, and herbs etc.
Q.3 ans - Russia
2. United States
3. Canada
4. France
Q.4 ans - a substance made from dead leaves and plants, that you put into the ground to help plants grow
Q.5 ans - The influence of climate is due to basically two factors: temperature and rainfall. Climate indirectly affects soil formation through its influence on organisms as well. High temperatures and rainfall increase the degree of weathering and therefore the extent of soil development.
Q.6 ans - planting trees on an area of land in order to form a forest.
Q.7 - grow (a crop) among plants of a different kind, usually in the space between rows.
Q.8 - Earth is our home. It is also the only planet with oceans. In fact, Earth is covered mostly with water. That is why it is called the Blue Planet.
Q.9 - Eritrea
Afghanistan
China
Pakistan
Iran
Somalia.
Q.10 ans - Egypt
Mexico
England.