A) Temperature and nutrients B) All of the mentioned 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) Availability of live food B) Inadequate feeding rate C) Poor feeding frequency D) Poor water quality
A) Construction of monk B) Impounding of water C) Construction of spill way D) Repairing of leakages
A) Allow good flow of water B) Pollution of water C) Allow entry of fresh water D) Prevent blockage of outflow pipe
A) Conservation B) Preservation C) Acclimatization D) Fertilization
A) Brood pair B) Broodstock C) Brood selection D) Brood breeder
A) Ovoviviparous fish B) Angel sharks C) Viviparous fish D) Mammals
A) Internal fertilization B) External fertilization C) Artificial reproduction D) Natural reproduction
A) In the pituitary gland B) Into the peritoneal cavity C) At the back muscle just below the lateral line D) At the tail
A) Whitish B) Yellowish C) Greenish D) Brownish
A) Two B) Six C) One D) Five
A) Fertilization B) Ovulation C) Artificial breeding D) Sperm collation
A) Hormone Chorionic Gonadotropin B) Hormone Chloro Gonadotrophin C) Human Chorionic Gonadotropin D) Hormonal Condition Gland
A) Semen B) Testes C) Milt D) Sperm
A) Water pollution B) Infected species C) Quarantine new fish D) Pathogens
A) Cotton wool diseases B) Fin rot C) Dropsy D) Malawi bloat
A) Quarantine B) Decontamination of the pond C) Emaciation and hollow belly D) Maintaining good water quality
A) Viviparous fishes B) Lemon sharks C) Surf perches D) Ovoviviparous fishes
A) Fingerlings B) Hatchling C) Fry D) Fish seed |