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