Male sterility in flowering plant was first reported by___________________?

Related Mcqs:

1. Male sterility in flowering plants was first reported is__________________?

   A. Bateman (1952)
   B. Stout (1917)
   C. Koelreuter (1763)
   D. Braw baker (1958)

2. Cytoplasmic genetic male sterility was first discovered by___________________?

   A. Jones and Davies (1944)
   B. Devaries and Correns (1900)
   C. Bruce and Keeble (1908)
   D. Nilson (1900)

3. Genetic male sterility is controlled by_________________?

   A. Allelic genes
   B. Non alleleic genes
   C. nuclear genes
   D. All the above

4. Male sterility is absence of_________?

   A. Functional pollen
   B. Sterile pollen
   C. Sterile anther
   D. All of these

   Submitted by: Bahram Rahi

5. When an albino plant of maize (female) is crossed with normal green plant (male) all plants in the progeny are albino because___________________?

   A. Albinism is dominant over green characters
   B. Green plastids of male parent become nitrated
   C. Plastids are inherited through maternal parents
   D. Crossing over results in structural changes in green plastids

6. If diploid chromo me number in flowering plant is 8 then 4 chromosomes will be present in_________________?

   A. Endosperm cell
   B. Leaf cells
   C. Cotyledonary cell
   D. Synergids

7. The recommended ratio of male the recommended of male rows to female rows in hybrid bajra production is_________________?

   A. 2 to 4
   B. 1 to 2
   C. 4 to 8
   D. 3 to 6

8. The influence of light on flowering in plant is____________________?

   A. Phototropism
   B. Photolysis
   C. Photoperiodism
   D. Photosynthesis

9. Cytoplasmic sterility is govemed by________________________?

   A. Nuclear genes
   B. Plasma genes
   C. Monoalleleic genes
   D. None of the above

10. Pollen sterility which is controlled by both cytoplasmic and nuclear genes is known as___________________?

    A. GMS
    B. CMS
    C. CGMS
    D. all the above