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