“Wash-in” takes place in which horizon?

Related Mcqs:

1. 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

2. ‘A’ horizon of the soil is also designated:

   A. Eluvistal horizon
   B. Illuviated horizon
   C. Alluvial horizon
   D. None of the above.

   Submitted by: Shafiq Rehman

3. Organic (O) horizon is absent in_________?

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

   Submitted by: Shafiq Rehman

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

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

   Submitted by: Shafiq Rehman

5. What is a soil horizon?

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

   Submitted by: Hakeem Taj Shapuki

6. 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

7. A and B horizon is called as_________?

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

   Submitted by: Shafiq Rehman

8. Which of the following crop takes N in ammonical form:

   A. Wheat
   B. Cotton
   C. Rice
   D. Mustard

   Submitted by: Shafiq Rehman

9. 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

10. Which type of development takes place in the female part of the ovule______________________?

    A. Microsporogenesis
    B. Megasporogenesis
    C. Gametogenesis
    D. Tapetium