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