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