31.
The crossing over takes place in

33.
The increased performance of F1 hybrid over its parents is called

34.
If the host plant is susceptible to the pathogen at young age and becomes resistant with age then it possesses

35.
Which one of the following is not a protein

36.
Distant hybridization is associated with

37.
Rice inflorescence is called as

38.
The first sorghum hybrid was released in

39.
The maize inbreeds are maintained by

40.
Diffused centromere means