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Kerala PSC Fisheries Officer Previous Question Paper – 023/2023

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Post NameFisheries Officer
DepartmentFisheries
Question Paper Code023/2023
Category Code746/2021
Date of Test4 April 2023
Medium of QuestionENGLISH
Exam TypeOMR Examination
Total Questions100
1
With regard to Tuna resources MSY of around one lakh tones is available from the area of :
Answer
B. Around the Andaman
2
Which fish will eat the bioluminescence bacteria (Photobactor sp) and store it in light organ around the esophagus for the purpose of emits the light during the night hours to attract pray?
Answer
C. Silver bellies
3
World most expensive Caviar is produced from :
Answer
A. Huso huso
4
What is the FAO area code for Eastern Indian Ocean?
Answer
D. FAO area 57
5
The method used to analysis of length frequency data is :
Answer
D. All the above
6
In Y/R recruit model developed by Beverton and Holt (1957) age at first capture denoted by :
Answer
Question Cancelled
7
Devicolam
Answer
B. Kerala
8
The evil effects of damming of rivers on fisheries were first reported by :
Answer
C. Sir Francis Day
9
The first fish which is tagged in India to study migration pattern by Jhingran and Patro at Chilika Lake :
Answer
A. Mullet
10
Select the deep-sea shrimps from the followings :
Answer
C. Solenocera
11
Transducer produce the sound vibration by ceramic discs using electricity is :
Answer
C. Piezo-electric
12
Fish death occurs due to nervous imbalance :
Answer
B. Electrocution
13
The line attached to the head and foot rope of the trawl net in which webbing is mounted to give additional strength by transfer the stress :
Answer
D. Bloch line
14
Cut intermingling of bar cut and point alternatively will result in :
Answer
C. Less than 45° angle
15
Preservative “Kutch” is extracted from :
Answer
Question Cancelled
16
Catamaran of Andhra Pradesh is locally known as :
Answer
B. Teppalu
17
Select the water borne type wood preservative :
Answer
D. Chromated zinc chloride
18
The first steel ship was built in the year :
Answer
A. 1878
19
The plan shows the outline of the water lines, which are drawn parallel to the base lines :
Answer
C. Half breadth plan
20
Select the Kort nozzle propeller :
Answer
B. Ducted propeller
21
All the standard meridians are apart from each other by :
Answer
B. 15°
22
A fix taken by bearings of single object over a period of time :
Answer
A. Running fix
23
The device used to show the GST and for identifying the longitudes is :
Answer
D. Chronometer
24
Life jacket should have a capacity to withstand about 24 hrs at minimum weight of :
Answer
Question Cancelled
25
Trawling vessel should show following shapes during day time trawling :
Answer
B. 2 cones with apex together
26
Copper containing proteins found in the blood of crustaceans like shrimp, crab are :
Answer
B. Hemocyanins
27
Which of the following seafood is having high glycogen content?
Answer
C. Molluscs
28
Which type of bacteria is more sensitive to irradiation?
Answer
A. Salmonella
29
Freezer used for producing frozen block product :
Answer
C. Plate freezer
30
The formation of dry impervious layer on the surface of fish preventing the diffusion of water is called :
Answer
A. Case hardening
31
Thawing in a steam injected vacuum chamber comes under :
Answer
A. Conductive thawing method
32
Clinoptiolite is used in live fish transport medium for the purpose of :
Answer
B. Reducing concentration of ammonia
33
Consider the following statements : Ascertain (A) : In canning process, after filling the material, exhausting must be done Reason (R) : To prevent the oxidation of fat and consequent deterioration Now select your answer according to the coding scheme given below
Answer
A. Both
34
—————— method used for transportation of Ornamental fish.
Answer
B. Plastic bag method
35
Toxicity in food caused by packaging materials are usually :
Answer
A. Migration of toxic substances
36
Staphylococcus aureus are partially eliminated at freezing temperature of :
Answer
A. –40° C
37
—————— is a bacteria responsible for spoilage in canning of fishery products.
Answer
B. C. botulinum
38
In plant process has responsibility to oversee and ensure specification of progress :
Answer
Question Cancelled
39
Food safety control system ensures all unit operations of a process are so controlled to preclude any health hazard is known as :
Answer
C. HACCP
40
—————— literally means degree or grade of excellence of thing/distinctive attribute/characteristic trait.
Answer
A. Quality
41
Which of the following practices are in agreement with the principles of organic aquaculture? (i) Conservation of soil (ii) Avoidance of toxic substances with negative impact on ecosystem in feeds (iii) Avoidance of antibiotics in treatment of diseases
Answer
B. (ii) and (iii) only
42
‘Aqua husbandry’ finds its earliest mention in ‘Treatise on Fish Culture’ (in Chinese) written by :
Answer
C. Fan Li
43
Culture of blue mussel (Mytilus sp.) on rows of branches of trees or wooden poles set in mud, perpendicular to the shore :
Answer
C. Bouchot Culture System
44
Integrated Multi Trophic Aquaculture (IMTA) is an ecosystem based approach for addressing the issue of waste generated by aquaculture. Which of the following statement is true for IMTA?
Answer
A. Carnivorous fishes can be grown in IMTA
45
Passive Integrated Transponder (PIT) tags have become a popular tool in selective breeding of fishes. Which of the following statements is true about PIT tags?
Answer
C. Inserted into muscle or body cavity
46
Choose the right option from the following statements about giant freshwater prawn, Macrobrachium rosenbergii, larvae : (i) They swim upside down (ii) They are reared at a salinity of 12 ppt (iii) They are commonly fed with Brine Shrimp Nauplii and egg custard in hatcheries (iv) There are 11 zoeal stages in the larval phase
Answer
D. All statements are true 023/2023 8 A
47
Choose the species for which the following statements are true : (i) Larvae are fed with rotifers followed by artemia nauplii during the hatchery phase (ii) Larvae are cannibalistic (iii) Regular size grading is done during the larval phase to remove ‘shooters’
Answer
D. Lates calcarifer
48
Stocking material for Penaeus vannamei culture in India is fully dependent on :
Answer
A. Specific pathogen free broodstock
49
Which of the following carps prefers to feed on detritus?
Answer
D. Cirrhinus cirrhosus
50
An intensive aquaculture system that uses bacteria, algae, or protozoa held together in a matrix along with particulate organic matter for the maintenance of water quality, waste recycling and disease prevention :
Answer
C. Biofloc Technology
51
Which among the following fishes shows these changes during breeding season? (i) Males with tubercles on head, operculum and pectoral fins (ii) Bulged belly in female (iii) Round and protruded genital opening in females
Answer
D. Carassius auratus A 9 023/2023
52
An aquarium fish of South American origin that can withstand low dissolved oxygen levels, with no food value and predation pressure, presently reported from the natural waters of many Indian states :
Answer
A. Pterigoplichthys spp.
53
Which of the categories listed below are not permitted for import as per DAHD’s sanitary protocol for import of ornamental fishes? (i) Genetically modified verities (ii) An invasive species with deleterious impacts (iii) A known vector or carrier of pathogens
Answer
C. All the above
54
Ovoviviparous fishes give birth to young ones. Which of the following statements are true about live bearers? (i) Anal fin modified to gonopodium in males (ii) Internal fertilization (iii) Once mated, the sperm is stored for fertilizing multiple batches of eggs (iv) Mothers are cannibalistic on young ones
Answer
D. All the statements are true
55
Green certification of freshwater ornamental fishes is an assurance that they have been caught/produced/reared in a manner that ensures social and environmental sustainability. Which is the nodal agency for implementation of Green Certification and Green Seal Labelling in India?
Answer
B. Marine Products Export Development Authority
56
Low input sustainable aquaculture system that integrates mangrove tree culture with brackish water aquaculture :
Answer
B. Silvofisheries
57
The method by which fish germplasm resources are conserved in their natural habitat :
Answer
D. None of the above
58
Which of the following statements can be related to ocean acidification? (i) Corals experience reduced calcification (ii) Oceans absorb anthropogenic CO2 from atmosphere (iii) pH of oceans reduce due to increase in H+ ion concentration in seawater
Answer
D. All the above
59
The air is 78% nitrogen, why is then nitrogen a limiting factor in marine primary productivity?
Answer
D. All the above (
60
Part of the photic zone of the ocean where animals can see but there is insufficient light for productive photosynthesis :
Answer
A. Disphotic Zone
61
The smallest virus based on the relative molecular mass belongs to :
Answer
Question Cancelled
62
Match the List-I with List-II : List-I List-II a. Aeromonas salmonicida i. Hitra disease b. Photobacterium damsela subsp. piscicida ii. Furunculosis c. Vibrio salmonicida iii. Bacterial kidney disease d. Renibacterium salmoninarum iv. Bacterial gill disease e. Yersinia ruckeri v. Pasteurellosis vi. Enteric red-mouth Choose the correct answer from the options given below : a b c d e
Answer
A. ii v i iii vi
63
Which of the following statement/s is/are true according to International Council of Exploration of Sea (ICES) codes linking exotic species introduction to the availability of a sound quarantine system in the importing country? (i) Live fish should not be imported, but rather eggs (ii) The brood stock should not be developed from these eggs (iii) The presence of pathogens following the protocols detailed in the OIE Diagnostic Manual
Answer
C. (i) and (iii)
64
Which of the following statement/s is/are true for the development of antibiotic resistant bacteria in aquaculture environment? (i) Use of antibiotics to combat bacterial infections in the aquaculture systems (ii) Illegal and indiscriminate use of antibiotics (iii) Horizontal Gene Transfer (HGT) by the Gram-negative probiont (iv) Use of antibiotics to combat viral infections in the aquaculture systems (v) Use of antibiotics to combat parasitic infections in the aquaculture systems
Answer
C. (i), (ii), (iii), (iv) and (v)
65
PCBs stands for :
Answer
C. Polychlorinated Biphenyls
66
Synbiotics are nutritional supplements in the form of synergistic effect that includes the combination of :
Answer
D. Probiotics and prebiotics
67
Large-scale outbreaks of communicable disease occurring temporarily in limited areas is known as :
Answer
B. Epidemics/Epizootics
68
Approved medicated feed especially Romet® consists of :
Answer
B. Ormetoprim and Sulfadimethoxine
69
Which of the following is/are not an OIE listed pathogen? (i) Infectious spleen and kidney necrosis virus (ii) Koi herpes virus (iii) Gyrodactylus salaries (iv) Tilapia Lake Virus
Answer
C. (iv) only
70
The potential for gas-bubble disease in fish is due to :
Answer
B. Super saturation of total dissolved gases in water
71
The following are the properties of a normal curve except :
Answer
C. Skewness is not equal to zero
72
Consider the following pairs :
Answer
D. Compare means (iv) Standard deviation Which of the given pairs below are correctly matched?
73
If P-value of a test is 0.07, which of the following is true?
Answer
B. Do not reject H0
74
With reference to the relationship between variance and standard deviation, consider the following statements :
Answer
D. Variance is less than the standard deviation. Which of the following statement/s is/are correct?
75
In regression analysis, the variable that is being predicted is :
Answer
C. The dependent variables
76
In Poisson distribution mean and variance are :
Answer
A. Equal
77
In a distribution, as the sample size increases what happens to the standard error :
Answer
B. Decreases
78
The purpose of hypotheses testing is to make a judgment about the difference between :
Answer
C. Sample statistic and population parameter
79
When the correlation coefficient is close to one?
Answer
B. There is a strong linear relationship between the two variables
80
Statement 1 : t test and F test are non-parametric tests. Statement 2 : t test is used for comparison between two groups whereas F test is used for comparison between more than two groups. In this context of the above two statement, which of the following codes is correct :
Answer
D. Statement 1 is incorrect and 2 is correct
81
What Latin root does the word “sociology” come from?
Answer
Question Cancelled
82
Any extension programme includes five key phases that must be completed sequentially. Choose the correct sequence :
Answer
A. Analysing the situation, Deciding objectives, Teaching, Evaluation and Reconsideration
83
This diagram represents individuals or institutions in the village whose size indicates their importance in terms of decision-making :
Answer
C. Venn diagram
84
It refers to an idea or practice that a person or other unit of adoption perceives as new :
Answer
D. Innovation
85
The extension methods are classified into three categories based on use. Choose the correct one :
Answer
B. Individual, group and mass
86
Which one of the following is considered the permanent set-up for extension machinery in our country?
Answer
C. National Extension Service
87
It is described as the condition or environment in which all the elements necessary for promoting learning are present :
Answer
D. Learning Situation 023/2023 16 A
88
Which of the following foundation established Community Agrobiodiversity Centre
Answer
B. M.S. Swaminathan Research Foundation
89
It refers to the range of methods utilized to comprehend how men and women relate to one another, their access to various resources, activities, and the constraints they encounter on them in relation to one another :
Answer
B. Gender analysis
90
Which of the following best describes the group contact method?
Answer
C. Method demonstration
91
Who is the father of Economics?
Answer
A. Adam Smith
92
What is National Income?
Answer
A. It is the net value of all economic goods produced by a country
93
Fish resources that cross the boundary of one coastal state’s Exclusive Economic Zone into the EEZ(s) of one or more other coastal states are referred to as :
Answer
A. Transboundary stocks
94
The production efficiency of fish farm refers to :
Answer
A. Biological performance of the farm
95
A point where catch or the harvest of fish is just equal to the growth of the stock of fish, which is both sustainable and at a harvest level that generates the largest possible catch is termed as :
Answer
C. Maximum Sustainable Yield
96
Legislation is defined as :
Answer
A. Act of making laws
97
The scope of administration can be expressed in terms of the functional elements indicated by the letters of the word “POSDCORB” in which “R” stands for what?
Answer
B. Reporting
98
The human resource that organises labour, land and capital to produce goods and services is termed as :
Answer
B. Entrepreneurship
99
It is considered as a continuous threat to the long-term sustainable management of world fisheries :
Answer
B. Illegal, unreported and unregulated fishing
100
In reference to India’s Comprehensive Marine Fisheries Policy (2004), which of the following statement(s) is/are true? (i) To ensure the share of benefits resulting from marine resources. (ii) To integrate deep sea and traditional coastal fishing sectors in the management of fisheries. (iii) To regulate fishermen’s access to biological resources. (iv) To Allow foreign fishing vessels into Indian waters
Answer
B. (ii) Only

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