The horizons O, A, E and B (other than r and C) are collectively called_____________?

Related Mcqs:

1. Some times, AB/EB/BA/BE horizons in soil profile are present which are called__________?

   A. Master horizons
   B. Transition horizons
   C. Little horizons
   D. All of the above

   Submitted by: Shafiq Rehman

2. Combination of soil genesis and classification is collectively called_________?

   A. Edaphology
   B. Pedology
   C. Poly pedology
   D. None of the above

   Submitted by: Shafiq Rehman

3. Optimum temperature, minimum temperature and maximum temperature are collectively called_________________?

   A. Absolute temperature
   B. Cardinal temperature
   C. Various temperature
   D. All the above

4. Tomato, chilly brinjal are collectively called__________________?

   A. Leafy vegetables
   B. Cole crop
   C. Bulb crop
   D. Solanaceous crop

5. Nitrosomonas  and nitrobacter are together as called_____________?

   A. Ammonification
   B. Nitrification
   C. Nitosomonas
   D. Nitrobacteria

   Submitted by: Hakeem Taj Shapuki

6. Gold is___________________?

   A. Native element
   B. Secondary element
   C. Primary element
   D. Heavy metal

7. 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

8. Which silica mineral is present in soil in abundant quantity____________________?

   A. Quartz
   B. Smectite
   C. Gypsum
   D. All the above

9. Biological Weathering involves:

   A. Man and Animals
   B. Higher Plants and Roots
   C. Micro- organisms
   D. All of these

   Submitted by: Shafiq Rehman

10. Tunnel erosion is the form of:__________?

    A. Rainsplash erosion
    B. Sheet erosion
    C. Rill erosion
    D. Gully Erosion

    Submitted by: Shafiq Rehman