The term vertical resistance and horizontal resistance were first used by________________________?

Related Mcqs:

1. Cytoplasmic sterility is govemed by________________________?

   A. Nuclear genes
   B. Plasma genes
   C. Monoalleleic genes
   D. None of the above

2. Vertical resistance is also known as_________________?

   A. Race specific
   B. Oligogenic
   C. Qualitative
   D. All the above

3. In wheat, example of durable insect resistance includes resistance to___________________?

   A. Green bugs
   B. Stem saw fly
   C. Hessian fly
   D. All the above

4. The horizontal flow of water in irrigation channel or canal leading to water loss is called as:_________?

   A. Infiltration
   B. Percolation
   C. Seepage
   D. All of these

   Submitted by: Shafiq Rehman

5. Vertical movement of water was studied by_________________?

   A. Ziebig
   B. Darcy
   C. Kohler
   D. Niel

6. Disease and insect resistance is governed by________________?

   A. Plasma genes
   B. Polygenes
   C. Oligogenes
   D. All the above

7. In barley, resistance to cereal leaf beetle is associated with_________________?

   A. High aspartic acid
   B. Waxiness of leaves
   C. High silica content
   D. High benzol alcohol

8. Drought resistance is associated with___________________?

   A. Biochemical factors
   B. Physiological factors
   C. Morphological factors
   D. all the above

9. Heat, cold and frost resistance ideotype have been developed in_____________________?

   A. Cereals
   B. Pulses
   C. Millet
   D. None of the above

10. In Incern, resistance to spotted aphid is associated with__________________?

    A. low sinigen in leaves
    B. High saponin in leaves
    C. High DIMBOA in leaves
    D. High silicant content