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