Roots usually occupy :__________?

Related Mcqs:

1. The tree sends down roots from its branches to the soil is know as:_______?

   A. Oak
   B. Pine
   C. Banyan
   D. Palm

   Submitted by: Muhammad Ali Kunbhar

2. The Tree sends down roots from its branches to the soil is known as:___________?

   A. Oak
   B. Pine
   C. Banyan
   D. Palm

   Submitted by: Fahad Mehsud

3. The unique soil environment under the influence of plants roots is called rhizosphere and this term was given by__________?

   A. Hiltner
   B. Aristotle et al.
   C. A.Q khan
   D. Helium. S. Denial

   Submitted by: Shafiq Rehman

4. The dormancy of bulbs, roots and tubers can be prolonged by_____________________?

   A. Medium temperature
   B. Low temperature
   C. Appropriate storage conditions
   D. All the above

5. 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

6. A soil with an ESP greater than 15 is usually classified as___________________?

   A. Sodic soil
   B. Saline soil
   C. Acidic soil
   D. None of the above

7. The conductivity of a saturation extract is greater 4 dsm-1 an exchangeable sodium percentage (ESP) of less than 15 and the pH is usually less than 8.5 is called as__________________?

   A. Saline soils
   B. Saline-sodic soils
   C. Sodic soils
   D. Neutral soils

8. 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

9. Citrus orchards are usually planted in___________________?

   A. Square system
   B. Quineunx system
   C. Rectangular system
   D. None of the above

10. The activity of enzymes in fruits usually decline at temperature___________________?

    A. Above 10ºC
    B. Above 20ºC
    C. Above 30ºC
    D. None of the above