Convergent improvement was proposed by________________?

Related Mcqs:

1. Nutritional quality breeding deals with genetic improvement in__________________?

   A. Oil
   B. Protein
   C. Vitamin
   D. All the above

2. In crop improvement programmed haploids are of great importance because they__________________?

   A. Are useful in studies on meiosis
   B. Give homozygous lines following diplodization
   C. Grow better under adverse conditions
   D. Require only about half the amount of chemical fertilizers compared to diploids

3. The term mitosis was coined by________________?

   A. Flemming (1882)
   B. De Vries and correns (1908)
   C. Bruce and Keeble (1908)
   D. Non of these

4. The term self incompatibility was coined by________________?

   A. Koelreuter (1763)
   B. Gerstel (1950)
   C. East (1940)
   D. None of the above

5. Mutation was first discovered by________________?

   A. deVries (1900)
   B. Morgan (1910)
   C. Stadler (1928)
   D. Wright (1791)

6. Disease and insect resistance is governed by________________?

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

7. A nullisomic individual is represented by________________?

   A. 2n-1
   B. 2n+1
   C. 2n-2
   D. 2n+2

8. Concept of combining ability as measure of gene action was first proposed by___________________?

   A. Sprague and Tatum (1942)
   B. Cavalli (1952)
   C. Mather (1956)
   D. Wright (1951)

9. Dominance hypothesis of heterosis was first proposed by__________________?

   A. Davenport (1908)
   B. Shull (1914)
   C. Bruce (1910)
   D. Davis (1927)

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