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