In wheat, Hessian fly pest is genetically controlled by__________________?

Related Mcqs:

1. In apple wool aphid is genetically controlled by___________________?

   A. 2 D
   B. ID
   C. 2d
   D. Id

2. When a wheat variety with red kernels (homozygous for two non allelic and independent dominant genes) is crossed with white kenneled wheat (homozygous for two recessive non allelic independent genes), the phenotypic ratio in the F2 generation would be________________?

   A. 9:3:3:1
   B. 9:7
   C. 9:9:9:3:3:3:1
   D. 1:4:6:4:1

3. Fly larvae (maggots) move away from a bright source of light. This is an example of a ___________?

   A. Taxis
   B. Reflex (involuntary movement)
   C. Kinesis
   D. Transverse orientation (Keeping a fix angle on a distance)

   Submitted by: Muhammad Amjad

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

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

5. Anthesis starts in wheat at__________________?

   A. 10.00 am
   B. 5.20 pm
   C. 1.15 pm
   D. 7.00 am

6. Spinach, althea, winter wheat and oat are the example of____________________?

   A. Long day plants
   B. short day plants
   C. Long day and short night plants
   D. Short day and long night plants

7. Wheat plant belong to__________?

   A.  CAM
   B.  C3 plant
   C. C4 plants
   D. None of above

   Submitted by: Mukhtir Ali jan

8. Linkage of hereditary units was discounted by__________________?

   A. W. Batson and B.C Pun net
   B. T.B. Morgan and G. Mendel
   C. W.S. Sutton and K. R. Porter
   D. C.B. Bridges and G.H. Shull

9. Organic evolution through large discontinuous variations was propound by__________________?

   A. Mendel
   B. Darwin
   C. Huge and Vnes
   D. Lamak

10. The term gene was coined by__________________?

    A. Batson
    B. Johnnsen
    C. Punned
    D. Darlington