Grade 9 geography mid term

advertisement
Grade 9 Geography mid term
Q.1
(i) Name one traditional method of irrigation still used in Pakistan. [1]
(ii) Name one modern method of irrigation used in Pakistan. [1]
(iii) Compare the advantages and disadvantages for small scale subsistence farmers of the two of methods
of irrigation you just named in (i) and (ii)
[6]
(iv) Why is irrigation necessary for growing crops in many areas of Pakistan?
[3]
Q.2 The map, show the distribution of dams In Pakistan.
(i)
(ii)
Describe the distribution of dams. [4]
What are the natural factors that have favored the construction of dams and reservoirs in the
places shown on the map?
[6]
(b) For the major dams and the small dams shown on the figure.
(i) Compare the purposes for which the water is stored by the two types of dams. [6]
(ii) With reference to examples, compare and explain the sizes of the areas served by the two types
of dams.
[4]
(iii)
Name in full the two institutions set up by the government to build the dams. [2]
© State three problems caused by the storage of water in reservoirs and its use for agriculture. [3]
Q.3 (i) In which year was the Indus water treaty signed? [1]
(ii) Why was the water treaty necessary for Pakistan? [5]
(b) (i) Large dams have been constructed for water storage. Name one. [1]
(ii) Several reservoirs are suffering from silting. What is silting and how is it caused? [3]
Iii Why Is silting a problem?
(iv)
[4]
Name a link canal and explain its purpose.
[3]
Q.3 Study Fig.1 which shows canal water supply in Pakistan
(i)
(ii)
In which year the water supply was highest? [1]
How much higher was this than the supply in 2002? [1]
© Why is there not enough water supply from canals to meet the needs of all users? [4]
(d) Explain why waterlogging and salinity of soils causes problems to farmers. [6]
(e) Water Pollution is a major problem in urban areas. With reference to examples, explain some of
the causes of this pollution and why is it a major problem to the people who rely on this water supply.
[6]
Q. 4 Study fig 4 that shows an irrigation system.
(i)
(ii)
(iii)
(iv)
Name the system shown in the fig.
[1]
Name an area of Pakistan where it is used.
[1]
Explain how this system provides water for agriculture in this area.
Name a fruit crop grown in this area. [1]
[4]
Download