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