Deforestation may decrease the chances of__________?

Related Mcqs:

1. Soil is a mixture of__________?

   A. Minerals And organic matter
   B. Water
   C. Air
   D. All of the above

   Submitted by: Shafiq Rehman

2. Weathering is the natural process of__________?

   A. Disintegration
   B. Sedimentation
   C. Decomposition
   D. both A & C

   Submitted by: Shafiq Rehman

3. Effects of soil pollution may also include:___________?

   A. Pollution runs-off into rivers & kills the fish, plant & other aquatic life
   B. Crops & fodder grown on polluted soil may pass the pollutants on to the consumers
   C. Soil structure is damaged or polluted soil may no longer grow crops & fodder
   D. All of the above

   Submitted by: Shafiq Rehman

4. Soils are also contaminated by a number of inorganic compounds which are also high toxic to human & other animals & are extremely poisonous may include:

   A. Arsenic & Cadmium
   B. Mercury & chromium
   C. Calcium & Magnesium
   D. Both A & B

   Submitted by: Shafiq Rehman

5. hydrosphere refers to______________________?

   A. Zone of water
   B. Zone of air
   C. Zone of atmosphere
   D. Zone of earth crust

6. Micas have isomorphous substitution:____________?

   A. Predominantly in tetrahedral layer
   B. Predominantly in octahedral layer
   C. Both a & b
   D. The statement is wrong

   Submitted by: Shafiq Rehman

7. The deficient macronutrient in the sodic soils is:_______?

   A. Mg
   B. Ca
   C. Mo
   D. Cu

   Submitted by: Shafiq Rehman

8. Phosphorus deficiency is widespread in most (_____%) 0f the soils of Pakistan.

   A. 54%
   B. 90%
   C. 68%
   D. 32%

   Submitted by: Shafiq Rehman

9. What is the optimum temperature and pH for nitrifying bacteria ?

   A. 30-35 c, pH 5.5
   B. >35 c, pH less than 5
   C. 25-40 c, pH 8-8.5
   D. All of thses

   Submitted by: Shafiq Rehman

10. World biodiversity day is celebrated on:_________?

    A. Mar-21
    B. March-2
    C. Apr-22
    D. May-22

    Submitted by: Shafiq Rehman