With the construction of Thal irrigation canal, about _____ sand dunes have been converted into highly productive cultivated areas:

Related Mcqs:

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

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

2. Sand dunes adversely affect:

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

3. Where sand dunes normally occur?

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

4. _____ the new introductions in the Thal desert have shown promise and should be planted on a large scale to serve as a hedge against calamities:

   A. A. Modestia
   B. A. Tortilis
   C. A. Victoria
   D. All of the above

5. Chinkara is the only animal which can still be found in fair numbers in _____ and rately in Thal:

   A. Cholistan
   B. Thar
   C. Both (a) & (b)
   D. None of these

6. 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

7. In the Thal area, planting tufts of:

   A. Cenchrus ciliaris
   B. Lasiurus sindicus
   C. Both (a) & (b)
   D. None of these

8. The sandy area in Thal is:

   A. An array of longtudian sandy ridges, alternating with narrow valleys
   B. The ridges are stabilized mainly by vegetation and too, probably by slight lime concentration on the surface in the south
   C. Both (a) & (b)
   D. None of these

9. The Thal Desert lies between the:

   A. Jhelum and Indus river
   B. Ravi and Indus River
   C. Chenab and Indus River
   D. None of these

10. Migration flows: Some projects are undertaken to stop the movement of people from nural areas to urban areas / and:

    A. Rural industry projects
    B. Electrification of rural areas
    C. Both (a) & (b)
    D. None of these