Cytoplasmic genetic male sterility was first discovered by___________________?

Related Mcqs:

1. Genetic male sterility is controlled by_________________?

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

2. Male sterility in flowering plant was first reported by___________________?

   A. Stout (1917)
   B. Koelreuter (1763)
   C. Brewbaker (1810)
   D. Gerstel (1900)

3. Cytoplasmic sterility is govemed by________________________?

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

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

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

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

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

6. Male sterility is absence of_________?

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

   Submitted by: Bahram Rahi

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. DNA is genetic material was first discovered by____________________?

   A. Attmann (1889)
   B. Crick (1953)
   C. Sressler (1968)
   D. Avery et al (1944)

9. Plasmids are discovered by___________________?

   A. Watson & Crick
   B. Iscki & Sakai
   C. Beadle & Tatum
   D. None of the above

10. Genetic selection was proposed by_________________?

    A. Richy (1927)
    B. Stadler (1944)
    C. Hull (1945)
    D. East (1920)