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