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