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