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