A. 40%
B. 50%
C. 60%
D. 70%
Related Mcqs:
- About ______ percent of the country is arid to semi-arid:
A. 50
B. 60
C. 70
D. None of these - Except in the _______ most of the rangelands are located in the arid and semi-arid areas:
A. Himalayan forest grazing areas
B. Pothwar scrub ranges
C. Both (a) & (b)
D. None of these - The disadvantage of ploughing in arid and semi-arid zones is:
A. Loss of soil water
B. Soil particles became smaller
C. Soil organisms are exposed
D. All of these - Reclamation of dry sites without irrigation is / are:
A. General considerations
B. Species for dry zone reclamation
C. Site preparation
D. None of these - A country where _____ per cent of the total aea consists of moutains, gullied foot hills, arid waste and deserts, can never achieve the desired progress unless major part of this usable waste is harnessed to the advantage of its people:
A. 50 to 55
B. 55 to 60
C. 65 to 70
D. None of these - D.G. Khan tract is typical of very arid:
A. Sub-mountainous area
B. Sub-tropical area
C. Both (a) & (b)
D. None of these - Plants grow sparsely in arid regions of the world:
A. Only because of high temperature
B. Because no seeds fall near the soil
C. Because of several environmental factors combining together
D. Because the soil is sandy - Of the ________ million ha area under cultivation, 15.62 million ha area (76%) is under irrigation:
A. 21
B. 22
C. 23
D. 24 - Dams and canal networks developed for irrigation purposes in Pakistan and may other countries create the problem of:
A. Salinity and soil erosion
B. Soil depletion and water logging
C. Salinity and water logging
D. Soil erosion and depletion - With the construction of Thal irrigation canal, about _____ sand dunes have been converted into highly productive cultivated areas:
A. 1 m ha
B. 2 m ha
C. 3 m ha
D. 4 m ha
The correct answer to the question: "In Pakistan about ________ area is arid or semi arid and agriculture is not possible without irrigation:" is "60% ".