‘A’ horizon of the soil is also designated:

Related Mcqs:

1. Any material such as straw, sawdust, leaves, plastic films, & loose soil that is spread upon the surface of the soil to protect the soil & plant roots from the effects of raindrops, soil crusting, freezing or evaporation:

   A. Mull
   B. Mulch
   C. Mycorrhizae
   D. Muck

   Submitted by: Shafiq Rehman

2. 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

3. What is a soil horizon?

   A. Soil texture
   B. Soil structure
   C. Layers of soil
   D. All of these

   Submitted by: Hakeem Taj Shapuki

4. Soil additive which stabilizes the soil, improves resistance to erosion, increases to permeability to air & water, improves texture, eases cultivation or otherwise improves soil quality:

   A. Soil amendment
   B. Soil conditioner
   C. Both a & b
   D. None of the above

   Submitted by: Shafiq Rehman

5. Organic (O) horizon is absent in_________?

   A. Mollisols
   B. Histosols
   C. Arable soils
   D. Non-arable soils

   Submitted by: Shafiq Rehman

6. A & B horizon is called as:________?

   A. Regolith
   B. Poly-pedon
   C. Series
   D. None of the above

   Submitted by: Shafiq Rehman

7. “Wash-in” takes place in which horizon?

   A. E
   B. O
   C. B
   D. A

   Submitted by: Shafiq Rehman

8. If a plant is heterozygousand is designated (BbMm)and produces two kinds of gametes either (BM)or (bm), then the possibility of (bm) gametes fertilizing either (BM) or (bm) is_________________?

   A. Half
   B. 0/1
   C. 1/1
   D. 1/4

9. A mineral horizon that is either too thin, too light in colour, too low in organic matter:

   A. Umbric epipedon
   B. Melanic epipedon
   C. Mollic epipedon
   D. Ochric epipedon

   Submitted by: Shafiq Rehman

10. A and B horizon is called as_________?

    A. Regolith
    B. Solam
    C. Inner core
    D. None of the above

    Submitted by: Shafiq Rehman