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