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

Related Mcqs:

1. 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

2. Disease and insect resistance is governed by________________?

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

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

   A. Van der plank (1963)
   B. Karpechenko (1927)
   C. Hull (1945)
   D. Correns (1900)

4. In wheat, Hessian fly pest is genetically controlled by__________________?

   A. Cytoplasm
   B. 5D + 5d
   C. 2D
   D. 1D

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. In half diallel, total crosses among parents are equal to___________________?

   A. P (P-1)/2
   B. P (P-1)
   C. P (P+1)/2
   D. P2

9. The name “Suicide bag” is given to___________________?

   A. Ribosomes
   B. Centrosomes
   C. Microsomes
   D. Lysosmes

10. Three important law of heredity proposed by Mendel relate to___________________?

    A. Gene linkage, character se gregation and independent assortment
    B. Gene linkage, dominance and segregation
    C. Segregation, independent assortment and gene linkage
    D. Segregation, independent assortment and dominance recessive ness