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