The deserts of the world are discontinuously distributed in a pair of parallel belts lying about ______ North and South of the equator.

Related Mcqs:

1. Tamarix-Poplar Forest is a dense thicket of Tamarix spp. With varying number of poplar trees are distributed on fresh silt alluvium of the riverain tract of the Indus between Muzaffargarh and Hyderabad with isolated occurrences as far north as _________

   A. Peshawar
   B. Mardan
   C. Swat
   D. Gilgit

2. The Cholistan and Thar deserts comprise ______

   A. Duneland
   B. Consisting of ridges of sand
   C. Drifted and piled up by wind
   D. All of the above

3. 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

4. The Namib and the Kalahari deserts in:

   A. Southern Africa
   B. Northern Africa
   C. Both (a) & (b)
   D. None of these

5. The biggest desert belt running from the Atlantic to _______ , including Sahara and some other samaller deserts such s the Arabian Desert (Arrub-al-Khali):

   A. China
   B. India
   C. Australia
   D. Iran

6. The ecosystem lying in the alpine zone between taiga and polar ice is called:

   A. Savana
   B. Autotrophic
   C. Heterotrophic
   D. Tundra

7. Topography – Lying diagonally between 24

   A. 87.98
   B. 88.98
   C. 90.98
   D. 92.99

8. Deserts plants have longer root system because:

   A. High temperature of soil encourages root growth
   B. Low temperature at night encourages root growth
   C. Those plants adapted to produce long system can survive better in desert
   D. Roots grow in search of water

9. The deserts of Pakistan is:

   A. Siahan
   B. Thar
   C. Thal
   D. Cholistan
   E. All of the above

10. Which of the following prevents afforestation in deserts:

    A. Goat and grazing animals
    B. Local resident
    C. Unfertility of soil
    D. Low rainfall