A) Temperature and nutrients B) Temperature and dissolved oxygen C) All of the mentioned D) Dissolved oxygen and nutrients
A) High pH enables fish to grow faster B) All fish populations acclimatize to high salinity C) Overcrowding in fish ponds leads to predation and death D) Turbidity has no effect on fish population
A) Poor water quality B) Availability of live food C) Inadequate feeding rate D) Poor feeding frequency
A) Impounding of water B) Construction of spill way C) Construction of monk D) Repairing of leakages
A) Prevent blockage of outflow pipe B) Allow good flow of water C) Allow entry of fresh water D) Pollution of water
A) Conservation B) Preservation C) Acclimatization D) Fertilization
A) Brood selection B) Brood pair C) Brood breeder D) Broodstock
A) Mammals B) Viviparous fish C) Ovoviviparous fish D) Angel sharks
A) Internal fertilization B) Artificial reproduction C) Natural reproduction D) External fertilization
A) In the pituitary gland B) At the tail C) Into the peritoneal cavity D) At the back muscle just below the lateral line
A) Whitish B) Brownish C) Yellowish D) Greenish
A) Six B) Five C) One D) Two
A) Fertilization B) Ovulation C) Sperm collation D) Artificial breeding
A) Hormonal Condition Gland B) Human Chorionic Gonadotropin C) Hormone Chloro Gonadotrophin D) Hormone Chorionic Gonadotropin
A) Milt B) Testes C) Sperm D) Semen
A) Infected species B) Quarantine new fish C) Pathogens D) Water pollution
A) Fin rot B) Malawi bloat C) Cotton wool diseases D) Dropsy
A) Maintaining good water quality B) Emaciation and hollow belly C) Decontamination of the pond D) Quarantine
A) Ovoviviparous fishes B) Viviparous fishes C) Surf perches D) Lemon sharks
A) Fingerlings B) Fish seed C) Fry D) Hatchling |