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91.

Where sand dunes normally occur?

A.	Sand accumulates	B.	Sand deposited
C.	Both (a) & (b)	D.	None of these

92.

Longitudinal sand dunes move slowly at the rate of _____ per annum:

A.	5 meters	B.	10 meters
C.	20 meters	D.	30 meters

93.

Sand dunes adversely affect:

A.	Communication system	B.	Human health
C.	Cultivation	D.	Animal health
E.	All of the above

94.

Chollistan Desert located near the city:

A.	Multan	B.	Bahawalpur
C.	Sahiwal	D.	Rawalpindi

95.

_______ is the oldest known practice used by man to manipulate range vegetation for livestock grazing:

A.	Range burning	B.	Water spreading
C.	Sand dune fixation	D.	None of these

96.

What are the major reasons for burning rengeland:

A.	Increase the palatability of forages and removal of old, dead material, thus increasing utilization by grazing animals	B.	Suppression of undesirable brush plant
C.	Preventing invasion of inferior species and to start grass growth 1-3 weeks earlier on fresh burns	D.	All of the above

97.

Forage yield of grass depends on soil moisture after burning. In wet areas when there is enough presipitation after burning, forage yield can be increased by ________

A.	50 percent	B.	60 percent
C.	70 percent	D.	80 percent

98.

Range fertilization is:

A.	Use of chemical fertilizer in rangelands is considered an uneconomical luxury	B.	This is probably true in the arid and semi-arid rangelands
C.	Both (a) & (b)	D.	None of these

99.

Goals of range management policy is / are :

A.	Increasing the supply of forage and fodder	B.	Development of the under-developed rangelands
C.	Maintendance of the quality of human environment and its improvement	D.	All of the above

100.

Goals of scientific range management could be achieved as:

A.	All range lands of Pakistan be developed/managed primarily for livestock production consistent with multiple land use concept	B.	Independent and effective organisations be created at provincial as well as central levels to develop and manage vast rangelands resources
C.	The survey of record of rights, where it has not been carried out yet, be taken in hand as quickly as possible	D.	Preparation of livestock feeds from agro-industrial wastes and by-products be encourages
E.	All of the above