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