Particular matter consists of____________________?

Related Mcqs:

1. Organic matter decomposes rapidly in Pakistani soils because of ____________ conditions, that is why our soils generally have < 1% organic matter:

   A. High temperature
   B. Alkaline
   C. Both a & b
   D. None of a & b

   Submitted by: Shafiq Rehman

2. Soil Organic Matter (SOM) which consists of about _______ % organic carbon plays a vital role by providing macro & micro nutrients:

   A. 72 %
   B. 58%
   C. 62 %
   D. Al of the above

   Submitted by: Shafiq Rehman

3. Schist is example of____________________?

   A. Stone
   B. Name of mountain
   C. Metamorphic rock
   D. None of the above

4. Microorganisms have C/N ratio of____________________?

   A. 2:1
   B. 4:1
   C. 12:1
   D. 20:1

5. Na and k can be determined by the use of____________________?

   A. Hydrometer
   B. Flame photometer
   C. Spectrophotometer
   D. All the above

6. Nitrification is the microbial conversion of____________________?

   A. NH nitrogen the NO3 nitrogen in soil
   B. NO2 to NO3 nitrogen in soil
   C. NO3 nitrogen to NH4 + in soil
   D. None of the above

7. Parthenocarpy is the production of____________________?

   A. Fruit without pollination
   B. Seed without fertilization
   C. fruit without fertilization
   D. Only seed and no fruit

8. Evolution proceed on account of____________________?

   A. Conversion pf organism to change of environment
   B. Fossils
   C. Adaptations through genervation
   D. Struggle for existence

9. In ripened banana the aroma is due to presence of____________________?

   A. Ethyl
   B. Eugenol
   C. Isopentanol
   D. Valencene

10. Fresh foods have water activity (Aw) of____________________?

    A. 0.99
    B. 1.0
    C. 1.6