Fisheries • 2017 • Technical Paper-III
Koi Carp Herpes virus is:
A)
DNA virus
B)
IPNV virus
C)
RNA virus
D)
SVC virus
Koi herpesvirus KHV = Cyprinid herpesvirus 3, a double-stranded DNA virus.
Fisheries • 2017 • Technical Paper-III
A tap can completely fill a water tank in 8 hours. The water tank has a hole in it through which the water leaks out. The leakage will cause the water tank to get empty in 12 hours. How much time will it take for the tap to fill the water completely in the tank with the hole?
A)
16 hours
B)
29 hours
C)
24 hours
D)
18 hours
Net rate 1/8-1/12=1/24 => 24 hours to fill with leak.
Fisheries • 2017 • Technical Paper-III
The parasitic life cycle of Diplostomum is completed in :
A)
Fish
B)
Mollusc
C)
Crab
D)
Bird
Diplostomum spathaceum (eye fluke) completes in fish-eating bird (definitive host); snails first intermediate, fish second.
Fisheries • 2017 • Technical Paper-III
The disease ‘Saprolegniasis’ is caused in fish due to:
A)
Bacterial infection
B)
Nutritional disease
C)
Fungal infection
D)
Parasitic infection
Saprolegnia is oomycete water mold causing cottony fungal infection on fish, eggs, gills.
Fisheries • 2017 • Technical Paper-III
Vitamin pyridoxine is also known as :
A)
Vitamin D
B)
Vitamin E
C)
Vitamin B6
D)
Vitamin B7
Pyridoxine = Vitamin B6.
Fisheries • 2017 • Technical Paper-III
Tyndalization is a sterilization technique which is carried out at temp…. °C at 45 minutes
A)
80
B)
100
C)
60
D)
110
Tyndallization: intermittent steaming at 100°C for 30-45 min on 3 successive days.
Fisheries • 2017 • Technical Paper-III
Correct the sentence by replacing the underlined phrase: ‘I am totally opposite in the statement of some of our Managers’.
A)
Totally oppose to
B)
Absolutely oppose by the
C)
Totally opposed to the
D)
Completely opposed in the
Correct idiom is 'totally opposed to the statement'.
Fisheries • 2017 • Technical Paper-III
The meaty flavor in fish/ seafood is due to :
A)
Fatty acid
B)
Glutamic acid
C)
IMP
D)
Propionic acid
IMP (Inosine monophosphate) along with glutamate gives umami/meaty flavor in fish and seafood.
Fisheries • 2017 • Technical Paper-III
Lordosis and scoliosis is due to deficiency of :
A)
Vitamin B7
B)
Vitamin D
C)
Vitamin C
D)
Vitamin B1
Skeletal deformities lordosis/scoliosis in fish due to Vitamin C deficiency.
Fisheries • 2017 • Technical Paper-III
The causative agent of disease that can be transmitted from brood stock:
A)
IPV
B)
Both (a) & (c)
C)
WSSV
D)
None of these
WSSV and IHHNV (IPV/IHHNV) can be vertically transmitted from broodstock to offspring via eggs/tissue; so both (a) & (c).
Fisheries • 2017 • Technical Paper-III
A cohort consists of:
A)
Individuals of same age
B)
Same breeding habit
C)
Individuals of same feeding habits
D)
All of these
Cohort = group of fish born at same time, i.e. individuals of same age/year-class.
Fisheries • 2017 • Technical Paper-III
The length at which 50% of the fish are caught is known as:
A)
Length at first maturity
B)
Length at first capture
C)
Age at first maturity
D)
None of these
Lc / Length at first capture = length where 50% of fish entering gear are retained, measure of gear selectivity.
Fisheries • 2017 • Technical Paper-III
Drag net is an example of:
A)
Selective gear
B)
Passive gear
C)
Non-selective gear
D)
None of these
Drag nets sweep area, non-selective and active.
Fisheries • 2017 • Technical Paper-III
The headquarter for fish and fish products under Codex commission is located in :
A)
U.K
B)
HUNGARY
C)
NORWAY
D)
U.S.A
Codex Committee on Fish and Fishery Products (CCFFP) hosted by Norway.
Fisheries • 2017 • Technical Paper-III
‘Bouquet’ is related to ‘Flowers’ in the same way as ‘Sentence’ is related to
A)
Letters
B)
Paragraph
C)
Content
D)
Words
Bouquet is collection of flowers; sentence is collection of words.
Fisheries • 2017 • Technical Paper-III
The lawyer had to find innovative arguments for his case, there was just no _______ that he could follow or quote.
A)
Example
B)
Itinerant
C)
Style
D)
Precedent
No precedent to follow or quote is legal idiom.
Fisheries • 2017 • Technical Paper-III
Some people have a __________ need to control all aspects of their lives and top eliminate all ________ of chance. These individuals seldom achieve a sense of fulfilment.
A)
Habitual.......possessions
B)
Dramatic......factors
C)
Powerful.......nuances
D)
Compulsive........hindrances
Compulsive need to control and eliminate all hindrances fits context of control.
Fisheries • 2017 • Technical Paper-III
Select the synonym of the word BEGUILE.
A)
Deceive
B)
Deny
C)
Dissent
D)
Refuse
Beguile means deceive or charm to mislead.
Fisheries • 2017 • Technical Paper-III
White Tail Disease (WTD) is caused by :
A)
Bacteria
B)
Fungus
C)
Virus
D)
Parasite
White Tail Disease of Macrobrachium rosenbergii caused by MrNV virus.
Fisheries • 2017 • Technical Paper-III
A live microbial feed supplement which beneficially affects the host animal by improving its intestinal balance is termed as :
A)
Probiotic
B)
Antibiotic
C)
Prebiotic
D)
None of these
Probiotic = live microbial supplement improving intestinal balance.
Fisheries • 2017 • Technical Paper-III
Aeromonas salmonicida causes :
A)
Enteric red mouth disease
B)
Red pest
C)
Saddleback disease
D)
Furunculosis
Aeromonas salmonicida causes furunculosis in salmonids, classic hemorrhagic disease.
Fisheries • 2017 • Technical Paper-III
Which of the following is a crustacean parasite infesting fish is?
A)
Gyroductylus
B)
Argulus
C)
Dactyrogyrus
D)
Hexamita
Argulus is fish louse, branchiuran crustacean ectoparasite. Gyrodactylus and Dactylogyrus are monogenean flatworms; Hexamita is flagellate protozoan.
Fisheries • 2017 • Technical Paper-III
When the area of haemorrhage is less than 1-2 mm, then it is called:
A)
Ecchymotic
B)
Hematoma
C)
Petechiae
D)
Painbrush
Petechiae <1-2 mm hemorrhagic spots, ecchymosis larger, hematoma swelling.
Fisheries • 2017 • Technical Paper-III
Which of the following is not an ectoparasite?
A)
Argulus
B)
Trichodina
C)
Hexamita
D)
Dactyrogyrus
Hexamita is intestinal endoparasite protozoan; others are ectoparasites.
Fisheries • 2017 • Technical Paper-III
When relative size of fish caught is high and fishing mortality is high, the condition is:
A)
Under fishing
B)
Eumetric fishing
C)
Overfishing
D)
None of these
Eumetric fishing = large fish caught at high fishing mortality, indicates optimum exploitation.
