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