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