A. 50
B. 60
C. 70
D. None of these
Related Mcqs:
- In Pakistan about ________ area is arid or semi arid and agriculture is not possible without irrigation:
A. 40%
B. 50%
C. 60%
D. 70% - 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 - 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 - Ten percent law of energy transfer, in a food chain was enunciated by:
A. Elton
B. Heackel
C. Lindeman
D. Schimper - It is estimated that ______ square km land has been converted to unproductive deserts in the last 50 years:
A. 3.7 million
B. 3.8 million
C. 3.9 million
D. 4 million - Tharparkar Desert ranges covers ______ million ha.
A. 2.65
B. 2.7
C. 2.75
D. 2.8 - ______ is a formation which contains water but can not transmit it rapidly enough to furnish a significant supply to a well or spring.
A. Alluvium
B. Alluvival Fans
C. Aquiclude
D. Albedo
The correct answer to the question: "About ______ percent of the country is arid to semi-arid:" is "70 ".
