Heterosis can be fixed by___________________?

Related Mcqs:

1. Dominance hypothesis of heterosis was first proposed by__________________?

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

2. The term heterosis was coined by____________________?

   A. Hull (1945)
   B. Bruce (1910)
   C. East (1908)
   D. Shull (1914)

3. The term useful heterosis was first used by__________________?

   A. Meredith and Bridge (1972)
   B. Richey (1914)
   C. Jenkins (1935)
   D. Hull (1950)

4. Heterosis can be fully exploited in the form of_____________________?

   A. Composites
   B. Hybrids
   C. Multi lines
   D. Synthetics

5. Heterosis results due to____________________?

   A. Dominance
   B. Overdominance
   C. Epistasis
   D. All the above

6. The term micro and macro environment was given by___________________?

   A. Robinson (1948)
   B. Lemer (1954)
   C. Perkins (1971)
   D. Comstock and Moll (1963)

7. Strands of DNA are bounded by___________________?

   A. Icygen
   B. Carbon
   C. Hybrogen
   D. Nitrogen

8. Polytene chromosomes were first observed by___________________?

   A. Mendel (1810)
   B. Balbiani (1881)
   C. Allard (1910)
   D. Baranetzky (1910)

9. Plants can be made disease resistant by___________________?

   A. Colchicines treatment
   B. Heat treatment
   C. Breeding with the wild variety
   D. Hormone spray

10. Theory of mutation was given by___________________?

    A. Mendel
    B. De Vries
    C. Tschermak
    D. Watson