The correct option is
C Herpetology, malacology, pisciculture
The breeding, rearing, and transplantation of fish by artificial means is called as pisciculture.
Sericulture, or silk farming, is the rearing of silkworms for the production of silk.
Lac culture is the cultivation of lac insects for the production of lac.
Nematology is the scientific discipline concerned with the study of nematodes, or roundworms.
Herpetology is the branch of zoology concerned with the study of amphibians including frogs, toads, salamanders, newts, and caecilians gymnophiona and reptiles including snakes, lizards, turtles, tortoises, crocodilians etc.
Malacology is the branch of invertebrate zoology that deals with the study of the Mollusca.
Aquaculture, also known as aquafarming, is the farming of aquatic organisms such as fish, crustaceans, molluscs and aquatic plants.
Horticulture is the branch of agriculture that deals with the art, science, technology, and business of vegetable garden plant growing.
Silviculture is the practice of controlling the establishment, growth, composition, health, and quality of forests to meet diverse needs and values.