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