A) False B) True
A) Nursing hatchinglings B) Egg hatching C) Brooding fries D) Egg laying
A) Placing nests in spawning grounds B) Making holes near spawning grounds C) Putting happas at shallow areas D) Using nests in ponds
A) Hormone B) Anti bodies C) Enzyme D) Ions
A) Administering hormone to selected brooders to spawn B) Both C) Capturing brooders during spawning season for striping D) None
A) Well rounded and soft abdomen B) Protruded and reddish genital opening C) Production of sound off water D) Rough pectoral fin
A) No B) Yes
A) Oestrogen B) Gonadotropin C) Progesterone D) Testosterone
A) Testes B) Ovary C) Pituitary D) Adrenal
A) Spent fish B) Brood stock C) Shooter D) Gravid fish
A) They utilize feed efficiently B) They produce few viable eggs C) They are quick to become spent D) They produce more viable eggs
A) Head B) Kidney C) Neck D) Abdomen
A) Freshly killed B) Young C) Dead D) Life
A) Pressing the head B) Drilling into the head C) Heating the heating D) Cutting the head open
A) Spawning B) Incubating C) Feeding D) Hatching
A) Adding lime to the water B) Sealing leakage in pond C) Keeping the water in motion D) Allowing access to sun light
A) No B) Yes
A) Natural feed B) Sun light C) Debris D) Dissolved oxygen
A) Dribs from water fall B) Pond leakage C) Use of aerator D) Extreme heat
A) Debris B) Nekton C) Worm D) Plankton
A) Harvesting B) Hypophysation C) Liiming D) Fertilization
A) Slaked lime B) Lime fruit C) Agricultural lime D) Quick lime
A) Regulating pH B) Purification C) Aeration D) Pond leakage
A) O2 B) CaO C) CaCO3 D) Ca(OH)2
A) Crumble B) Chip C) Pellet D) Powdery
A) Four months B) Four days C) Six weeks D) One week
A) 5 B) 7 C) 4 D) 3
A) Juvenile B) Fingerling C) Hatchling D) Larva
A) Infectious B) None C) Both D) Non infectious
A) Normal B) Darting C) Active D) Passive
A) Healthy B) None C) Dead D) Sick
A) Temperature shock B) Reddish GIT C) Fluid gut D) Spleen enlargement
A) Protozoan B) Fungal C) Bacterial D) Viral
A) Yes B) No
A) Non infectious B) Infectious C) Both D) None
A) Water supply B) Waste disposal system C) Production target D) Building materials
A) Amount of fish to rear B) Water quality maintenance C) Size of water source D) Level of feeding the fish
A) Dam B) Lagoon C) Bore hole D) Stream
A) Feed mill B) Market C) Over head tank D) Fish pond
A) Cost B) Site C) Layout D) Land scape
A) Nursery pond B) Production tank C) Quarantine centre D) Brood stock tank
A) Fishing crafts used B) Time of fishing C) Access to fishing ground D) Amount of fished fish
A) True B) False
A) Growers are raised B) Induction is done C) Fingerling are recieved D) Brooders are kept
A) Yes B) No
A) Time of zero fishing B) Fishing after a break C) Time to start fishing D) Ban from fishing
A) It is an employment opportunity B) It is a potential breeding ground for mosquitoes C) It is a neat profession D) The society is a target market
A) Energy B) Medication C) Feeding D) Water supply
A) True B) False
A) False B) True |