41.
Bulk breeding method was developed by

42.
When F1-plants heterozygous for tallness are salfed, F2-generation has both tall and dwarf plants? This proves the principle of

43.
Match the following columns:
Column I Column II
a. Bacteriophages 1. Viruses infecting bacteria
b. Capsid 2. Protein coat of viruses
c. Oncogene 3. Causes AIDS
d. Human immuno deficiency 4. When activated cause cancer

44.
Arize-AZ 8433 DT, a mid-duration rice variety launched by Bayer, offers protection from

45.
Choose the wrong one.

46.
Systematic hybridization on a scientific basis began with the work

47.
If a heterozygous Black fur mouse (Bb) mates with a homozygous Brown mouse (bb), what % of their offspring will have Black flour?

48.
Crossing over between homologous chromosome never exceeds

49.
Multiple effects of a single gene is known as

50.
Autopollyplidy can be found in