Step_to_fisheries

JRF mock test 4 FINAL

1. Main function of science is to
a) Carry-out research b) Discover the truth
c) Discover the problem d) None
2. First mechanical calculating machine was
a) Blaire pascal b) Peter
c) Charles Babbage d) None
3. Example for oldest high level language is
a) C++ b) Java
c) Fortran d) None
4. The Department of Ocean Development (DOD) was
established
a) 1991 b) 1971
c) 1981 d) None
5. Seminar on a particular problem is called as
a) Oral reporting b) Written reporting
c) As a detail investigation d) None
6. Quadratic function comprises
a) Only one stage b) Four stages
c) Two stages of production d) None
7. Marketing is that part of economics which deals with the
creation of
a) Time utility
b) Place utility
c) Time, place of possession utilities
d) None
8. Long-term credit in Agriculture is provided by
a) PCARDBs b) PACS
c) RBI d) None
9. Reserve Bank of India was set up in
a) 1930 b) 1935
c) 1934 d) None

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10. For the estimation of experimental error following is

required __________
a) Randomization b) Replication
c) Local control d) Confounding
11. Ethernet uses
a) Bus topology b) Ring topology
c) Mesh topology d) All
12. First generation computers used______________
a) Valves b) Transistors
c) IC’s d) None
13. Natural gynogenesis is seen in the family
a. Salmonidae
b. Poecillidae
c. Cichilidae
d. Cyprinodentidae
14. The developmental stage at which trout eggs can be
transported is…….
a. Geen eggs b. Eyed eggs
c. Alvin d. Swim-up fry
15. Diamond shape structure of the caudal region is the
identification character of………fry.
a. Cirrhinus mrigala
b. Labeo rohita
c. Catla catla
d. Common carp
16. Breakthrough in induced breeding of carps in India was
achieved in
a. 10th May, 1957
b. 10th June, 1957
c. 10th July, 1957
d. 10th August, 1957

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17. Macrobrachium choprai is indigenous to ……….

a. Cauvery river b. Bramhaputra river
c. Ganga river d. Godavari river
18. Ovaprim contains ……….. of gonadotropin releasing
hormone along with 10 mg of domperidone per ml.
a. 10 mg b. 20 mg
c. 10 µg d. 20 µg
19. Lowest fecundity is found in?
a) Egg depositor b) Egg Scatterers
c) Egg burrier d) Mouth brooder
20. Intestinal breeding occurs in the …………. family?
a) Serranidae b) Gobidae
c) Cotidae d) Cobitidae
21. Variables are those which cannot be measured but can be
ordered or ranked by their magnitude
a) Discrete variable b) Ranked variable
c) Quantitative variable d) None
22. Hypothesis is a
a) Tentative solution to the problem
b) Concept
c) Mechanism
d) None
23. Degree of inequalities income distribution in a country or
region is measured by
a) Phillips curve b) demand curve
c) Lorenz curve d) None
24. It is the statistical and mathematical study of the size,
composition and spatial distribution of human population
a) Demography
b) Diagnostic error
c) Factorial design
d) None

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25. Statistical data are presented in the form of maps

a) Pictogram b) Cartogram
c) Pie-diagram d) None
26. The appropriate form of production function in marine
capture fisheries is _________
a) Linear form b) Parabolic form
c) Quadratic for d) Exponential form
27. The graph of cumulative frequency is known as__________
a) Histograph b) Ogive
c) Frequency polygon d) Frequency curve
28. Accepting the null hypothesis when it is actually false is
called___________
a) Type I error b) Type II error
c) Standard error d) None
29. Which sampling method do you suggest for heterogeneous
population?
a) Simple random b) Systematic
c) Stratified d) Sequential
30. Which technique do you recommend for comparison of
several means?
a) t-test b) F-test
c) ANOVA d) X2- test
31. In an aquatic ecosystem, adepth where respiration and
photo synthesis is balanced is_____
a) Euphoticzone b) Abyssal depth
c) Profundal depth d) Compensation depth
32. Name the chocolate mahaseer from the following
a) Amblypharyngodon
b) Ctenopharyngodon
c) Acrossocheilus hexagonalepis
d) Hypopthalmicthys

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33. The main blocks of which the muscles are made up of are
known as_____
a) Axial muscles b) Skeletal muscles
c) Myomeres d) Smooth muscles
34. The fore brain is the site of ___________sense
a) Olfactory b) Optic
c) Sight d) Humoral
35. ____________in fishes serve as accessory feeding structure
that carry sensory organs
a) Flaps b) Teeth
c) Sting d) Barbels
36. Fecundity and parental care shows__________
a) Direct relationship
b) Inverse relationship
c) No relationship
d) Positive relationship
37. Catadromous migration involves the movement
from_____________
a) Sea water to freshwater
b) Freshwater to sea water
c) Within freshwater
d) Within sea water
38. Isometric growth____________________
a) b =3 b) b>3
c) <3 d) none of the above
39. Bivalve species known as ship worm_________
a) Mya spp. b) Bornea spp.
c) Teredo spp. d) Hiatella spp
40. Catla has ____________type of mouth
a) Superior b) Inferior
c) Subterminal d) Terminal

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41. Wetting and drying is associated with

a) Decking b) Timber
c) Refrigeration d) Trawling
42. Measure of tangential shrinkage gives the
a) Strength b) Force
c) Stability d) Power
43. No. of timber species suitable as body building material in
India
a) 400 b) 500
c) 600 d)100
44. Thermoplastics are mostly derivatives of
a) Venyl alcohol b) Ethylene
c) Alcohol d) None of the above
45. The trade of poly amide is
a) Nylon b) Surlyn
c) PVC d) Terrycot
46. Blue discoloration occurs in
a) Canned Lobster b) Freezed Lobster
c) Canned Crab d) Freezed Crab
47. Honey combing occurs in
a) Canned Salmon b) Freezed Salmon
c) Canned Tuna d) Freezed Tuna
48. Vitamin B2 & D are
a) Heat stable vitamins
b) Heat sensitive vitamins
c) Essential vitamins
d) Nonessential vitamins
49. Bacillus stearothermophilus is a?
a) Acid tolerant bacteria
b) Flat sour causing bacteria
c) Swell causing bacteria
d) Acid fast bacteria

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50. ………… lacquers are used in fruit cans?

a) Alkali resistant b) Acid resistant
c) Sulphur resistant d) Corrosion resistant
51. Specific gravity of Ferrocement is about?
a) 1.56 b) 7.84
c) 2.7 d) 2.4-2.6
52. Specific gravity of Steel is about?
a) 1.56 b) 7.84
c) 2.7 d) 2.4-2.6
53. …. Boat are also called as Fishing luggers?
a) Masula b) Shoe Dhoni
c) Tuticorin d) Catamaran
54. …… Wood contains oxalic acid and produces vinegar like
smell at the time of cutting?
a) Teak b) Pine
c) Oak d) Iroko
55. It is the capacity of ship to carry the cargo?
a) Freight Tonnage
b) Net Tonnage
c) Gross Tonnage
d) Deadweight Tonnage
56. A joint is commonly used in the Planking …
a) Scarf joint b) Knee joint
c) Lap joint d) Butt joint
57. Marine ply is usually made up of ……. venners?
a) Mahogany b) Oak
c) Teak d) Elm
58. 1st Material to replace wood in the boat building material
is?
a) Iron b) Aluminum
c) FRP d) Steel

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59. ……. type of preservative is used in the exterior application?

a) Coaltar Creosote
b) Tributyl tin oxide (TBTO)
c) Benzene hexa chloride (BHC)
d) Copper chrome Arsenic (CCA)
60. For boat building moisture of the Timber should be
between?
a) 18-20% b) 8-10%
c) 35-40% d) 25-30%
61. Select the best method of chilling among the following?
a) Super chilling b) RSW
c) CSW d) Champagne CSW
62. Conversion of ice directly into vaour witout passing
through liquid stage is known as the?
a) Deliqification
b) Liquification
c) Evaporation
d) Sublimation
63. Dehydration loss is negligible in
a) Rotary freezer
b) HPF
c) Cryogenic freezers
d) Fluidized bed freezers
64. The time required to freeze the material in plate freezer is-
a) 10 min b) 20 min
c) 30 min d) 60 min
65. What is the rate of air flow in quick freezing?
a) 1-2 mm/Hr b) 2-5 mm/Hr
c) 5-50 mm/Hr d) 50-100mm/Hr

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66. …………colour discolouration problem generally occurs in

freezing of Shrimp.
a) Pink b) Yellow
c) Black d) Red
67. Use of which maximizes the chance of contamination-
a) Flake ice b) Slush ice
c) Block ice d) Jelly / Liquid ice
68. Freezing of 100% of Seawater is
a) Impossible b) Partially Possible
c) Possible d) All
69. What is the code for air as a refrigerant?
a) R717 b) R118
c) R760 d) R729
70. Which refrigerant is coded as R-744?
a) Carbon di oxide b) Ammonia
c) CFC d) HCFC
71. Which of the following is the simplest method of mounting?
a) Reeving b) Stapling
c) Norselling d) Rigging
72. Landing net has ………… frame?
a) Triangular b) Round
c) Oval d) traight
73. Which anchor is mostly used by anchors in India?
a) Grapnel b) Patent
c) CQR d) Admirality
74. Which is soluble in HCl (37%) at room temperature?
a) PA6.6 b) PES
c) PVC d) PVA
75. Gill net is a?
a) Active gear b) Passive gear
c) Falling gear d) Surrounding gear

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76. Fish plummets are?

a) Spears b) Metal weights
c) Fish combs d) Clams
77. Which anchor is also called as Plough anchor?
a) Grapnel b) Patent
c) CQR d) Admirality
78. Which among the following is a stocked anchor?
a) Grapnel b) Patent
c) CQR d) Admirality
79. ……….. prevents chafting of the rope or cable?
a) Thimble b) Shackle
c) Swivel d) Kelley’s eye
80. TEX = ………….. DENIER?
a) 0.111 b) 0.222
c) 0.333 d) 0.444
81. Modern name for ASDIC is
a) Echo sounder b) RADAR
c) SONAR d) EPIRB
82. Nautical Almanac is used in
a) Piloting b) DR
c) Radio Navigation
d) Celestial Navigation
83. The chemical used for fire fighting is
a) Citric acid b) HCL
c) Dry Co2 powder d) None of the above
84. Rule No 21 is pertaining to
a) Light’s definition b) Light’s application
c) General definition d) Steering rules

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85. Which of the following is not a great circle.

a) Equator
b) Greenwich Meridian
c) 90E longitude
d) None of these
86. Which part of the echosounder is producing pulse of
electrical of oscillations
a) Transducer b) Transmitter
c) Receiver d) None of the above
87. Deviation is the compass error caused due to
a) Steel and iron material on board
b) Earth’s magnetism
c)Depth of the navigable water
d) None of the above
88. According to IMCO, which of the following vessel is not
considered as vessel engaged in fishing
a) Trolling b) Lining
c) Purse seining d) Trawling
89. Back side of a vessel is referred as
a) None of these b) Fore
c) Stern d) Aft
90. Half the are of great circles running from pole to role are
called
a) None of these
b) Rhumblines
c) Latitudes
d) Meridians
91. Factors affecting the falling rate of drying is…………?
a) Air speed
b) Air Temperature
c) Both A & B
d) Internal diffusion pressure

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92. Minimum water activity required by yeasts is……….

a) 0.91 b) 0.85
c) 0.80 d) 0.75
93. Minimum water activity required by the osmophilic yeasts
is……….
a) 0.60 b) 0.65
c) 0.80 d) 0.75
94. Method of Salting recommended for fatty fishes is
a) Brine b) Dry Salt
c) Kench Curing d) Both B & C
95. …….. salts are the purest form of the salts.
a) Rock Salts b) Solar Salts
c) Sea Salts d) Columbo salt
96. Temperature of Hot kiln is
a) <30⁰ C b) <-30⁰ C
c) 50-80⁰ C d) -18⁰ C
97. Bactericidal property of Smoke is given by-
a) Phenolic
b) Benzopyredene
c) Xylenol
d) Furans
98. Fish roe are rich in
a) Vitamin A & B b) Vitamin A & D
c) Vitamin A d) Vitamin B
99. India’s first Surimi plant was established at?
a) Maharastra b) Karnataka
c) Kerala d) Tamil Nadu
100. Specific gravity of pearl essence is
a) 1.0 b) 1.5
c) 1.6 d) 2.0

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Extra 20 mcqs that not include in these exam

101. Maximum loss of amino acids occurs during-
a) Frying b) Boiling
c) Cooking d) All
102. Which algae is known as the Carrangenophytes?
a) Red algae b) Brown algae
c) Green algae d) Blue green algae
103. Ascophyllum is?
a) Red algae b) Brown algae
c) Green algae d) Blue green algae
104. Among the following which has the highest penetration
power?
a) Alpha Rays b) Beta Rays
c) Gamma Rays d) UV Rays
105. Silo storage is use for
a) Block Ice b) Flake Ice
c) Jelly Ice d) All
106. The liquid expelled during fish meal production is called
a) press liquor b) fish soluble
c) fish fluid d) press cake
107. In electrical smoking, the material is exposed to ________
a) Corona discharge
b) Gamma radiation
c) Electrical discharge
d)Radiation
108. Parvalbumin is a
a) Sarcoplasmic protein b) Myofibrillar protein
c) Stroma protein d) None of these
109. Gaping is more common in
a) mackerel fillet b) sardine fillet
c) tuna fillet d) herring fillet

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110. Green sick oyster occur due to high level of .............

content
a) Zn b) Pb
c) Cu d) Cd
111. The time required to reduce the no. of spores by one
logarithm cycle is called
a) Z-value b) D-value
c) F-value d) none
112. The processing technique commonly used for Bombay duck
is ___________
a) Canning b) freezing
c) smoking d) drying
113. Protein is estimated by __________method
a) Kjeldhal b) Fiske
c) Winkler’s d) none
114. Biggest inland fish market in India is ___________
a) Bombay b) Chennai
c) Howrah d) Delhi
115. NH3 leaks can be easily checked by
a) Color b) Pungentodor (tikha)
c) Explosion d) Flame
116. Mode of heat transfer between liquid and gases are known
as
a) Conduction b) Convection
c) Radiation d) None
117. Carburetor is present in
a) Diesel engine b) Petrol engine
c) Gasoline d) Kerosene engine
118. ICAR was established in the year.
a) 1929 b) 1919
c) 1939 d) 1963

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119. Kupffer cells are present in

a) Lungs b) Liver
c) Kidney d) Stomach
120. Which institute has launched mKRISHI®, a mobile
application?
a) CMFRI b) CIFA
c) CIFRI d) CIFT

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Note:-
These mock tests are only for refreshing your knowledge. If any
query feel free to contact us,
Step_to_fisheries(Instagram).
Regards,
Pinak kamleshbhai bamaniya,
College of Fisheries science, veraval
pinakbamaniya@gmail.com
cofpinak108@gmail.com

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