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