The sum total condition in which organisms live is called: _____________?

Related Mcqs:

1. Organisms satisfying their carbon requirement as Co2 from atmosphere and energy requirement from oxidation of simple inorganic compound are called as_________?

   A. Chemoautotroph
   B. Photoautotroph
   C. Saprophyte
   D. None of these

   Submitted by: Shafiq Rehman

2. Physical condition of soil for plant growth is called___________________?

   A. Granulation
   B. Tillage
   C. Tilth
   D. All the above

3. An expression of the intensity of the basic or a acidic condition of a liquid or of soil is called_____________________?

   A. ESR
   B. SAR
   C. EC
   D. pH

4. Sustainable technologies to improve soil fertility and physical condition:

   A. Balance use of NPK fertilizers according to the need of crops.
   B. Following proper crop rotation (shallow rooted and deep root crops) in the cropping session.
   C. Regular use of FYM, Composts, acidic mulches, Green manures and Organic fertilizers to increase OM content of Soil.
   D. All of the above

   Submitted by: Shafiq Rehman

5. Total salt affected soils of Pakistan are____________________?

   A. 6.3 m ha
   B. 5.0 m ha
   C. 12.3 m ha
   D. 10.5 m ha

6. According to FCO, the maximum permissible total N content in the form of urea in DAP should be:_________?

   A. 2.50 %
   B. 3.50 %
   C. 4,50 %
   D. 5.5 %

   Submitted by: Shafiq Rehman

7. About 40% of the total area of Pakistan is affected by wind erosion. this includes:_________?

   A. Thal, Cholistan
   B. Parts of Mianwali and D.G
   C. Tharparkar & vast areas of Balochistan
   D. All of the above

   Submitted by: Shafiq Rehman

8. According to one estimate, wind and water erosion over ______ % of the Pakistan’s total area?

   A. 46%
   B. 36%
   C. 76%
   D. None of the above

   Submitted by: Shafiq Rehman

9. An important component of total soil C is charcoal, also known as:__________?

   A. Black C
   B. Biochar
   C. Both A & B
   D. None of the above

   Submitted by: Shafiq Rehman

10. According to the Soil survey of Pakistan, the total waterlogged summer-rain area in the country is:_________?

    A. 4.11 mha
    B. 5.16 mha
    C. 22.5 mha
    D. The above statement is wrong

    Submitted by: Shafiq Rehman