The correct option is A A - fisheries, B - poultry farming
Animal husbandry deals with the care and breeding of livestock like buffaloes, cows, pigs, horses, cattle, sheep, camels, goats etc. that are useful to humans. It includes rearing, caring, selective breeding and raising of livestock. It also includes fisheries and poultry farming. It does not include sericulture, plant breeding or apiculture.
Fisheries include rearing, catching, selling etc. of fish, molluscs (like shell -fish) and crustaceans (like prawns, crabs).
Poultry farming refers to the class of domesticated fowls (birds) used for meat or for their eggs. They include hen, ducks, turkey, pigeons, etc.
Plant breeding is the genetic improvement of a plant species in order to create plants with desired qualities that are better suited for cultivation.
Tissue culture is the process of regenerating a whole plant from a few cells or tissues from any part of the plant by growing it in a test tube, under sterile conditions in special nutrient media.