In low-rainfall areas, huge shifting sand dunes are commonly found, particularly near human habitations. Techniques of afforesting the shifting dunes needed to be implemented. These techniques consist of___________?

Related Mcqs:

1. In Pakistan there is general deficiency of rainfall. It varies from 125 mm annually in upper Sindh to about 900 mm in the sub-mountainous of northern Pakistan. In Balochistan the mean annual rainfall is about 200 mm, diminishing to ________ mm in the desert of Kharan:

   A. 100 mm
   B. >70 mm
   C. <50 mm
   D. None of these

   Submitted by: Shafiq Rehman

2. The nutrient particularly influencing root growth is___________________?

   A. Zinc
   B. Nitrogen
   C. Organic
   D. Phosphorus

3. Soil particles as individuals such as sand and do not form aggregates. These are usually found in parent material or C horizon is:_________?

   A. Massive
   B. Single-grained
   C. Aggregated
   D. All of the above

   Submitted by: Shafiq Rehman

4. The soil texture refers to the relative proportion of sand,__________ and clay:

   A. Stone
   B. Soil
   C. Rock
   D. Silt

   Submitted by: Shafiq Rehman

5. Items needed for synthesis of plant food in green leaves are _________ & the process through which it takes place is called photosynthesis:

   A. Sunlight
   B. Chlorophyll
   C. Water & plant nutrients
   D. All of the above

   Submitted by: Shafiq Rehman

6. Depending on the percentage of sand, silt, clay, soils are divided into _______ textural classes:

   A. 12
   B. 13
   C. 14
   D. 09

   Submitted by: Shafiq Rehman

7. ___________ , considered a perfect soil, is a mixture of silt, clay and sand:

   A. Clay
   B. Sandy loam
   C. Loamy sand
   D. Loam

   Submitted by: Shafiq Rehman

8. Nutritive elements needed in large quantities to ensure normal plant development:

   A. N, P, K
   B. S, Mg, Ca, Fe
   C. Both a & b
   D. None of a & b

   Submitted by: Shafiq Rehman

9. Which one of the following techniques is used for assessing available P in soil and does not include growing plants:

   A. E-Value
   B. L-Value
   C. a-Value
   D. A-Value

   Submitted by: Shafiq Rehman

10. The diagnostic techniques used in evaluating soil nutrient status and determining fertilizer requirements of the crop include:

    A. Nutrient deficiency symptoms & field experimentation
    B. Greenhouse pot experimentation & soil testing
    C. Plant analysis
    D. All of the above

    Submitted by: Shafiq Rehman