Reclamation of dry sites without irrigation is / are :__________?

Related Mcqs:

1. Reclamation of dry sites without irrigation is / are:

   A. General considerations
   B. Species for dry zone reclamation
   C. Site preparation
   D. None of these

2. Reclamation of denuded hill slopes are _____________?

   A. General considerations
   B. Site conditions
   C. Choice of species
   D. Soil preparation
   E. All of the above

3. In Pakistan about ________ area is arid or semi arid and agriculture is not possible without irrigation:

   A. 40%
   B. 50%
   C. 60%
   D. 70%

4. Reclamation of denuded hill slopes are:

   A. General considerations
   B. Site conditions
   C. Choice of species
   D. Soil preparation
   E. All of the above

5. Reseeding is generally successful on the sites where:

   A. Soil moisture and nutrients for plant growth are adequate
   B. In grassy lands
   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. Of the ________ million ha area under cultivation, 15.62 million ha area (76%) is under irrigation:

   A. 21
   B. 22
   C. 23
   D. 24

8. Prolonged liberal irrigation of agricultural fields is likely to create the problem of:

   A. Acidity
   B. Metal toxicity
   C. Aridity
   D. Salinity

9. 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

10. Depth of snowfall varies from ________ increasing with elevation in case of dry temperate forests:

    A. 1.4 to 6.0 m
    B. 1.5 to 7.0 m
    C. 1.6 to 8.0 m
    D. None of these