Question45:-It is a member of the family Poecilidae
A:-Gold fish
B:-Guppy
C:-Angel fish
D:-Oscar
Correct Answer:- Option-B
Question46:-Egg laying ornamental fishes with diverse patterns of parental care shown in family
A:-Poecilidae
B:-Characidae
C:-Cichlidae
D:-Cyprinidae
Correct Answer:- Option-C
Question47:-Which phenomenon leads to the production of individual fish with undesirable trait?
A:-Selective breeding
-In breeding
C:-Cross fertilization
D:-All of these
Correct Answer:- Option-B
Question48:-In Poecilid Fishes a long modified reproductive organ used for transfer of Sperm is called
A:-Anal fin
B:-Gonopodium
C:-Tubercles
D:-None of these
Correct Answer:- Option-B
Question49:-Which of the following statement is true about aquarium plants?
(1) Vallisneria is a grass like freshwater aquatic plant, commonly called Eelgrass
‏(ا)‎ Echinodorus is commonly known as Amazon Sword Plant
(iii), Myriophyllum sp. is a flowering plant commonly called water milfoil
A:-Only (i and iii)
B:-Only (ii and iii)
C:-Only (i and ii)
D:-All of the above (i, ii and iii)
Correct Answer:- Option-D
Question50:-In Biofilter Ammonia oxidised to nitrite and nitrate by
A:-Nitrospira
B:-Nitrosomonas
C:-Nitrobacter
D:-All of these
Correct Answer:- Option-D
Question51:-Which among the following fish is an egg depositor?
A:-Gold fish
B:-Angel fish
C:-Zebra fish
D:-Killi fish
Correct Answer:- Option-B
Question52:-From the information given below identify the disease.
Symptom - Pin head sized white spots on the body and fins.
A:-Dropsy
B:-Saprolegniasis
-Ichthyophthyriasis
D:-Fin rot and Tail rot
Correct Answer:- Option-C
Question53:-The breeding set or female to male ratio for gold fish is
4:-1: 2
-2: 1
-1;

B:
¢
D:-1:4
Correct Answer:- Option-A

Question54:-Fish disease, like fin rot and tail rot are caused by the causative organism.
A:-Ichthyophthirius Multifilis