11. Which of the following govern sporophytic self-incompatibility in Brassica?
A. Aegilops
B. Triticum
C. Both (a) and (b)
D. S alleles
12. Commercial sugarcane is heterozygous with germplasm from
A. 1-3 Saccharum species
B. 3-5 Saccharum species
C. 5-7 Saccharum species
D. 7-9 Saccharum species
13. The intervention in the communication system of nematodes offers several possibilities of biocontrol. Which of the following(s) play(s) a very important role in the host recognition?
A. Protein
B. Lipid
C. Carbohydrate moiety
D. Minerals
14. The hybrid embryo can be rescued from damage/collapse by growing it
A. at low temperature
B. at low pH
C. at low water activity
D. in artificial medium
15. For an increased level of mannitol in transgenic tobacco plants which of the following gene is transferred?
A. Mannitol dehydrogenase
B. Mannitol synthease
C. Both (a) and (b)
D. Mannitol pyrophosphorylase
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