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