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