D:-Analogue hormone
Correct Answer:- Option-B
Question58:-Ranchu is a variety of
A:-Koi carp
B:-Goldfish
C:-Tetra
D:-Guppy
Correct Answer:- Option-B
Question59:-Which equipment is used in reducing the organic/biological load in reef aquaria?
A:-Powerhead
B:-Canister Filter
C:-Wave maker
D:-Protein skimmer
Correct Answer:- Option-D
Question60:-Which parasite was reported to cause mass mortality in Poecilia reticulata and is known as guppy killer disease?
A:-Lernaea
B:-Tetrahymena
C:-Argulus
D:-Ichthyophthirius
Correct Answer:- Option-B
Question61:-Scientific name of Neon tetra
A:-Scleropages formosus
B:-Pterophyllum scalare
:-Poecillia reticulate
D:-Paracheirodon innesi
Correct Answer:- Option-D
Question62:-Gonopodium is the modified ___fin of male swordtail, Xiphophorus helleri.
A:-Caudal fin
B:-Pectoral fin
:-Anal fin
D:-Pelvic fin
Correct Answer:- Option-C
Question63:-The Thelycum of female shrimp is a modification of the
A:-Sternal plate
-Exopodite
C:-Endopodite
D:-Pleura
Correct Answer:- Option-A
Question64:-In India, the blacklip pearl oysters is endemic to
A:-Lakshadweep Islands
East coast
C:-West coast
D:-Andaman and Nicobar Islands
Correct Answer:- Option-D
Question65:-The last stage of larva during the development stage of rock lobsters is
A:-Glochidium
B:-Pediveliger
C:-Plerulus
D:-Brachionus
Correct Answer:- Option-C
Question66:-The ratio of dry meat weight to volume shell cavity is known as
A:-Gastro Somatic Index
-Body Mass Index
C:-Capacity Index
D:-Condition Index
Correct Answer:- Option-D
Question67:-The first shrimp species successfully bred in captivity is
A:-P. japonicas
. merguiensis