B:-Eel
C:-Seabass
D:-Mullet
Correct Answer:- Option-B
Question28:-Select the fish suitable for Biological weed control.
A:-Grass Carp
B:-Seabass
C:-Murrel
D:-Silver fish
Correct Answer:- Option-A
Question29:-In the Jar hatchery system, the water flow rate of jar is
.5 to 0.7 litre/minute for carps.
:-0.7 to 1 litre/minute for carps.
C;-0.3 to 0.5 litre/minute for carps.
D:-None of these
Correct Answer:- Option-B
Question30:-Egg of which fish show adhesive nature and weeds like Hydrilla or Najas are provided as egg collectors in
breeding pools.
A:-Grass carp
B:-Silver carp
C:-Catla
D:-Common carp
Correct Answer:- Option-D
Question31:-Expand GIFT.
A:-Growth Improved Farmed Tilapia
enetically Improved Famed Tilapia
C:-Globally Important Farmed Tilapia
D:-None of these
Correct Answer:- Option-B
Question32:-In seed production of Tilapia for all male production, the sex reversal of female population is achieved by
mixing which hormone through feed.
A:-Estra diol
B:-17°alpha* methyl! - testosterone
C:-Ovaprim
D:-OvaFX
Correct Answer:- Option-B
Question33:-Identify the fish with following features.
(1) Shows parental care
(ii) Attach eggs to hard substratum
(iii) State fish of Kerala
A:-Mackeral
B:-Oil Sardine
C:-Miss Kerala
D:-Pearl spot
Correct Answer:- Option-D
Question34:-Name the fish shows Protandrous hermophroditism.
A:-Asian sea bass
-Common carp
C:-Pearl spot
D:-Catla
Correct Answer:- Option-A
Question35:-Grading should be done in 7-10 days during the rearing of young ones in
A:-Grass carp
ilver carp
C:-Asian Seabass
D:-Tilapia
Correct Answer:- Option-C