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11.

The reservoir of Mangla is being silted at the rate of 48.27 million m3 per year and that of Tabbela at the rate of _____ million cubic meters per year:

A.	160.5	B.	167.75
C.	170.6	D.	175.8

12.

The sedimentation in the most vital reservoirs of the country, the nation is losing some US $130.8 million every year due to loss of:

A.	Fertile soil, shrinkage of storage capacity	B.	Reduction agricultural products, power generation and industrial output
C.	Both (a) & (b)	D.	None of these

13.

At present _____ of area in Pakistan is suffering from wind erosion:

A.	30%	B.	40%
C.	50%	D.	60%

14.

Survey conducted by WAPDA has revealed that 2.0 M ha of land have become severely waterlogged affecting a population of million:

A.	3.4	B.	4.4
C.	5.5	D.	6.5

15.

For soil improvement and subsequent planting with species such as:

A.	Eucalyptus camaldulensis	B.	E. Microtheca
C.	Acacia nilotica	D.	Albizzias spp
E.	All of the above

16.

For instance consumptive use of water by tamrix is 22 to 28,000 m3/ha/annum while that of willows and poplars is 7,700 to 13,500 and _____

A.	6,500 to 23,00 m3	B.	5,500 to 20,500 m3
C.	4,500 to 18,500 m3	D.	None of these

17.

A three year old plant of poplar and Tamarix gallica consumes ______ liters and ____ liters of water per day,respectively under optimum supply conditions:

A.	45,60	B.	50,70
C.	60,80	D.	None of these

18.

Trees and the farmlands is:

A.	All the forest influences and forest industry developments	B.	It is the ever-closer relationship between farming and forestry that is of over riding importance for the future
C.	Both (a) & (b)	D.	None of these

19.

Trees and wildlife is:

A.	Forest are the natural habitat of all wildlife	B.	Wildlife management is impossible without conservation of environment conductive to its protection and multiplication
C.	Both (a) & (b)	D.	None of these

20.

Environmental Amelioration is:

A.	Environmental stability	B.	Trees and the landscape
C.	Trees and man	D.	Control of air pollution
E.	All of the above