Correct Answer: Option-D
QuestionS8:-The fist parthenogenetic cleavage of the fertilized egg of Indian major carp starts within
೩5-20 min, of spawning
8:-10-12 min. of spawning
೦-6-8 min. of spawning
Di-< 1 min. of spawning
Correct Answer:- ೦೧000
Question59::Which one of the following is popularly known as "Thai magur' 7
‘AcWallago attu
Brletalurus punctatus
C=Clarius batrachus
D-Clarius gariepinus
Correct Answer:- Option-D
Question60:-A prospective male fish of Indian major carp employed in induced breeding of fish on hormonal induction can yield mil of about
‘Ac1-2 ‏الام‎ body mass
B:-2-4 milkg body mass
೦-4-6 ml/kg body mass
D-6-10 miskg body mass
Correct Answer:- Option-D
Question61:-The Indian backwater oyster is scientifically referred to as
‘AcCrassostrea gasar
B:-Crassostrea gigas
Crassostrea madrasensis
D-Crassostrea virginica
Correct Answer: Option-C
Question62:-The late pre-moult and early intermoult stage of mud crabs are known as,
AcBaby crabs
B:-Water crabs
ത crabs
D-Adult crabs
Correct Answer: Option ®
Question63:-For cryopreservation of fish spermatozoa the metlity should be
۸96
2:5096
೦60%
D> 70%
Correct Answer:- Option-D
Question64::Which one of the following combination rightly characterizes nucleotide base of DNA ?
‘AcAdenine-Guanine-Tyrosine-Cytosine
B:-Adenine-Guanine-Thymine-Cytokines
C-Adenine-Guanine-Thymine-Cytosine
D-Adenine-Glutamine-Tyrosine-Cytosine
Correct Answer: Option-C
Question65:-Maximum reproduction under mass culture of Brachionus plicatilis occurs under saline waters with a range of
‘8:20 to 25 ppt
8:25 to 20 ppt
೦-೩0 to 15 ppt
0:05 to 10 ppt
Correct Answer: Option ®

Question66:-Black spot formation or melanosis in shrimp occurs due to the reaction of the following components,