Anthesis starts in wheat at__________________?

Related Mcqs:

1. Anthesis starts in Allium cepa at___________________?

   A. 7.00 am
   B. 10.00 am
   C. 3.00 pm
   D. 5.00 pm

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. Global gene bank of barley is located at__________________?

   A. ICARDA
   B. Florida
   C. CIP
   D. ICRISAT

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

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

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

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

6. Red (RR) is crossed with white (ww). All the (Rw) offsprings are pink this is an indication that the R gene is_________________?

   A. Recessive
   B. Incomplete dominant
   C. Mutant
   D. Dominant

7. The spread of genes from one breeding population to another by migration which may result in changes in gene frequency is called__________________?

   A. Gene flow
   B. Genetic drift
   C. Gene frequency
   D. None of the above

8. Heterosis can be fixed by___________________?

   A. Apomixis
   B. Polyploidy
   C. Asexual reproduction
   D. All the above

9. Synopsis occur in___________________?

   A. Mitosis
   B. Meiosis
   C. Amitosis
   D. all the above

10. Nobel prize for the discovery of operon model was awarded to__________________?

    A. Jacob and monod (1965)
    B. Crick (1966)
    C. Watson and Crick (1953)
    D. Briuen and Davidson (1959)