Objective Questions for Fisheries Junior Research Fellowship (JRF) Practice Paper -2021 - fisheriesindia.com

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Thursday, 15 July 2021

Objective Questions for Fisheries Junior Research Fellowship (JRF) Practice Paper -2021

                      ICAR-Fisheries Junior Research Fellowship (JRF) Practice Paper. 

Objective questions for Fisheries and Aquaculture with answers

 

1. The first fishes from upper Cambrian (490 million years BC) period are known as_________.

a.      Placoderms

b.     Ostracoderms

c.      Acanthodians

d.     Colacanth

 

2. Scientific name of lizard fish is __________

a.      Harpodon nehereus

b.     Saurida tumbil

c.      Atropus atropus

d.     Silago sihama

 

3. The caudal fin is ___________ in the Bombay duck.

a.      Trilobed

b.     Bilobed

c.      Rounded

d.     lunate


4. _________ is the world’s largest living arthropod.

a.      American crayfish

b.     Mantis shrimp

c.      Japanese spider crab

d.     Krill


5. Scientific name of Kuruma shrimp is

a. Penaeus semisulcatus

b. Penaeus indicus

c. Fennoropenaeus (Penaeus) merguiensis

d. Marsupenaeus japonicus

 

6. Sacculina is a root headed barnacle parasitic on

a.      Mole crab

b.     Emerita

c.      Prawn

d.     Lobster

 

7. The following state has the highest marine fish production in India.

a. Maharashtra

b. Gujarat

c. Kerala

d. Tamilnadu

 

8. Guts of mullet fish carry a characteristic feature known as

a. Spiral valve

b. Gastric mill

c. Gizzard

d. Pyloric ceacae

 

9. Isometric growth means

a.      b=3

b.     b?3

c.      b<3

d.     None of the above

 

10. Gonopodia are

a.      Primary sex characters

b.     Secondary sex characters

c.      Both of the above

d.     None of the above

 

11. Fish detect food by

a.      Sight

b.     Lateral line system

c.      Smell and taste

d.     All of the above

 

12. Index of preponderance is associated with

a.      Gut content analysis

b.     Reproductive analysis

c.      Condition factor analysis

d.     Percentage edibility analysis

 

13. In von Bertalanffy Growth Formula ‘K’ stands for

a.      Condition factor

b.     Ponderal Index

c.      Curvature parameter

d.     Growth factor

 

14. ________ scales are developed from the secretory activity of the both dermis and epidermis.

a. Placoid

b. Cycloid

c. Ctenoid

d. Non-placoid

 

15. Aerobic metabolism in cells of  body by using oxygen and removal of carbon dioxide from the body is called_______.

a.      Aspiration

b.     Respiration

c.      Circulation

d.     Urination

 

16. Specific gravity of seawater fish is ______

a. 108%

b. 106%

c. 109%

d. 105%

 

17. _________ fish eyes have lid like nictitating membranes which helps in cleaning the surface of the cornea.

a. Shark

b. Whale

c. Sperm Whale

d. Ray


18. Ecdysis means

a. Process of spawning

b. Enlargement of shell

c. Formation of new exoskeleton inplace of old exoskeleton

d. Fattening of shellfishes

 

19. Stain used for marking shellfishes

a. Trypan

b. Trypan pink

c. Methlylene blue

d. Acriflavin

 

20. Gills are present on pleopod in_______.

a. Free living copepod

b. Stomatopod

c. Crab

d. Euphuciacea


21 Mark recovery method helps in _______.

a.      Species identification

b.     Estimation of fecundity

c.      Breeding season identification

d.     Aging

 

22 ________ tag is mostly used for studying fish.

a.      Atkin tag

b.     Internal suture tag

c.      Spaghetti tag

d.     Dart tag

 

23_________ in crustaceans is controlled by ‘juvenile hormone’ from the X-gland/Sinus gland and ecdysone from the Y-gland.

a.      Gonadal maturation

b.     Reproduction

c.      Moulting

d.     Pituitary secretion

 

24 __________ are responsible for the sense of touch, hearing and position.

a.      Electroreceptors

b.     Acoustics

c.      Mechanoreceptors

d.     Radioreceptors

 

25 Elasmobranchs possess low-density oil named ________.

a.      Squalene

b.     Prolactin

c.      Ambergris

d.     Triglicerides

26 Ammonia produced in the liver of the fish is converted into a non-toxic form in the blood called _____

a.      Glutamine

b.     Uric acid

c.      Creatine

d.     Creatinine

 

27 Animals that maintain an osmotic difference between their body fluids and the surrounding environment are considered as ________.

a.      Osmoregulators

b.     Osmohydrants

c.      Osmoconformers

d.     Osmogradients

 

28 _______ fish has high water content of about 95%.

a.      Bombay duck

b.     Jelly fish

c.      White fish

d.     Lizard fish

 

29 In edible oysters, the _______ larva changes into spat after 14-19 days.

a.      Glochidium

b.     Trochophore

c.      Veliger

d.     Pediveliger

 

30 Primitive larva of Crustacea is ______.

a.      Nauplius

b.     Zoea

c.      Trochophore

d.     Mysis

 

31 Exclusively carnivorous gastropods are ________.

a.      Archaeogastropods

b.     Mesogastropods

c.      Neogastropods

d.     All of the above

 

32 Ox-bow lakes are formed by

a.      Volcanic activity

b.     River activity

c.      Glacial activity

d.     Tectonic activity

 

33 In an aquatic system a depth where respiration and photosynthesis is balanced is

a.      Euphotic zone

b.     Abyssal depth

c.      Profundal depth

d.     Compensation depth

 

34 What is the total area of estuaries of India?

a.      2.80 million ha

b.     2.70 million ha

c.      2.85 million ha

d.     2.75 million ha

 

35 Which is the largest brackishwater lake in India?

a.      Pulicate lake

b.     Vembanad lake

c.      Chilka lake

d.     None of the above

 

36 Most important game fish of India is __________.

a.      Trout

b.     Mahaseer

c.      Cat fish

d.     Freshwater shark

 

37 Tenualosa ilisha is an example of a fish showing.

a.      Catadromous migration

b.     Anadromous migration

c.      Not to migrate anywhere

d.     None of the above

 

38 The Institute responsible to carry out research and developmental work in Inland fisheries sector in India is.

a.      CIFE

b.     CIFT

c.      CMFRI

d.     CICFRI

 

39 By ‘recruitment overfishing’ we mean

a.      Catching small fish before they recruit into the fishery

b.     Reduction in parental stock to an extent where they are unable to produce sufficient recruits

c.      Both of the above

d.     None of the above

 

40 By MSY we mean

a.      Largest catch that is obtained for several years

b.     Largest average catch that can be obtained again and again

c.      The highest catch from a fishery

d.     The highest average catch from a fishery

 

41 Length-weight relationship

a.      Straight line

b.     Curvilinear

c.      Direct

d.     No relationship

 

42 Sustainable yield is synonymous to

a.      MEY

b.     Y

c.      Equilibrium yield

d.     MSY

 

43 Which of the following considers the stock as a homogenous biomass?

a.      Logistics models

b.     Analytical models

c.      Exploratory surveys

d.     Holistic models

 

44 What is the area of EEZ of India?

a.      2.02 x 103 Km2

b.     2.02 x 103 Km2

c.      2.02 x 106 Km2

d.     2.02 x 104 Km2

 

45 Floral components of mangrove ecosystem include

a.      Epiphytes

b.     Sea grass

c.      Phytoplankton

d.     All of the above

 

46 The important pelagic finfish group of Indian coast  is:

a.      Oil sardine, Lesser sardine, Mackerel

b.     Anchovies, Ribbon fishes, Carangids

c.      a and b group

d.     None of the above

 

47 Which one of the following is cray fish?

a.      Sillago shima

b.     Ambasis cuvier

c.      Procambarus clarkii

d.     Ictalurus punctatus

 

48 The Indian Fisheries Act was enacted in __________.

a.      1897

b.     1887

c.      1890

d.     None of the above

 

49 The important demersal finfish fisheries of the world are

a.      Cods, Hake

b.     Haddock, Menhaden

c.      Pollack, Catfishes

d.     All of the above

 

50 The Indo-Norwegian project was started in the year

a.      1950

b.     1952

c.      1960

d.     1962

 

51 Who is the 'Father of Marine Fisheries Development'?

a.      Sir  M. Peterson

b.     Sir  F. Nicholson

c.      Sir  J. Bose

d.     none of the above

 

52 Mark and recapture is _________ method of population enumeration.

a.      a direct

b.     an indirect

c.      a  back calculation

d.     None of the above

 

53 ‘Lω’ stands for

a.      Asymptotic length

b.     Mean length at recruitment

c.      Length of fish

d.     Instantaneous rate of growth

 

54 Instantaneous rate of fishing mortality is denoted by a symbol

a.      F

b.     M

c.      Z

d.     G

 

55 ________ is an intraspecific group of randomly mating individuals with temporal or spatial integrity.

a.      Biomass

b.     Population

c.      Standing crop

d.     Stock

 

56 Diurnal range of air temperature over sea is less than_____

a.      20C

b.     50C

c.      10C

d.     30C

 

57 The apparent force resulting from rotation of earth, which causes wind deflection, is known as ________.

a.      Coriolis acceleration

b.     Coriolis force

c.      Coriolis parameter

d.     Wind force

 

58 __________ Satellite is launched to measure sea surface altimetry.

a.      SEASAT-A

b.     TOPEX

c.      INSAT-A

d.     INSAT-B

 

59 Hydrostatic pressures in the sea increases by _________ per meter depth.

a.      1bar

b.     10mbar

c.      1decibar

d.     10decibar

 

60 Hydrodynamics is studied under the division_________.

a.      Marine Engineering

b.     Chemical oceanography

c.      Biological oceanography

d.     Physical oceanography

 

61 Red tide occurs when there is bloom of______.

a.      Diatoms

b.     Dinoflagellates

c.      Cocolithophores

d.     Ceratium

 

62 The ________zone is the productive zone of the sea and its extent varies with the availability of light.

a.      Dysphotic

b.     Euphotic

c.      Aphotic

d.     Abyssal

 

63 Cosmoid, Ganoid and bony –ridge are ______ types of fish scales.

a.      Non-placoid

b.     Placoid

c.      Naked

d.     Non-naked

 

64 IUCN is an abbreviated form of_________.

a.      Indian Union of Coral Nature

b.     International Union for Conservation of Nature and Natural Resources.

c.      Integrated Union for Conservation of Nature

d.     Indian Union for Conservation of Nature

 

65 The first Indian Marine Park was set up at

a.      Malvan

b.     Sunderbans

c.      Jamnagar

d.     Tuticorin

 

66 Johansberg hosted an earth summit in______.

a.      2002

b.     1992

c.      2005

d.     1998

 

67 __________ is an example of marine wood borers.

a.      Pseudomonas

b.     Vibrio

c.      Bacillus

d.     Limnoria

 

68 _______ is a home place for dugout canoe.

a.      Kerala

b.     Maharashtra

c.      Gujarat

d.     Karnataka

 

69 Monofilaments are prepared from

a.      PVD

b.     PES

c.      PVC

d.     PVA

 

70 Fly-mesh is a full-sized mesh but has only

a.      One knot instead of usual two

b.     Two knots instead of usual four

c.      Three knots instead of usual four

d.     None of the above

 

71 ________ is a type of line fishing without hook.

a.      Bobbin

b.     Rake

c.      Eel comb

d.     Continuos hook

 

72 Squid jigs have a circle of _________hooks.

a.      Barbed

b.     Inverted

c.      Barb less

d.     Overturned

 

73 __________ is an example of a fishing method used to capture fish in air.

a.      Chinese lift net

b.     Cover pot

c.      Cast net

d.     Verandah net

 

74 _________ indicates the vessel is anchored.

a.      Red light

b.     Black ball in forepart

c.      Green light

d.     Blue light

 

75 GPS provides

a.      Latitude

b.     Longitude

c.      Altitude

d.     Both a & b

 

76 One nautical mile means _______kms

a.      1.70

b.     1.008

c.      1.852

d.     1.0852

 

77 Ocean is a _______ property

a.      Government

b.     Common

c.      International

d.     Central government

 

78 MEY refers to

a.      Maximum Economic Yield

b.     Maximum Effort Yield

c.      Maximum Ecological Yield

d.     Marine Ecological Yield

 

79 International trade for export or import of crustaceans and mollusks, fresh, frozen, dried, salted falls under______.

a.      FAO IV

b.     FAO III

c.      FAO I

d.     FAO

 

80 The concept of Krishi Vigyan Kendra was introduced by

a.      Mohan Singh Mehta

b.     Dr.Balwant Rai Mehta

c.      Hemant Mehta

d.     Prashant Mehta

 

81 The basic philosophy of extension education is to teach people

a.           What to think and what to do

b.     How to think and how to do

c.      How to think and not what to think

d.     How to think and how to work

 

82 A _______ is an intense educational activity for motivating and mobilizing a community to action, to solve a problem or to satisfy a need.

a.      Mass meeting

b.     Campaign

c.      Farm visit

d.     Exhibition

 

83 Catching and dealing in Whale shark invites prosecution under

a.      Indian Fisheries Act 1897

b.     Marine Fishing Regulation Act

c.      Wildlife Protection Act

d.     Maritime Act

 

84 In India, shrimp farming is regulated and controlled by

a.      MPEDA

b.     BFDA

c.      NABARD

d.     Aquaculture Authority

 

85 ___________ is known as freshwater shark

a.      Clarius batrachus

b.     Channa straitus

c.      Wallago attu

d.     Clarius garripineus

 

86 Contiguous zone of the sea extends upto ________ nautical miles from the baseline.

a.      12

b.     24

c.      30

d.     200

 

87 As per which article of Constitution of India fisheries is a state subject?

a.      Article 370

b.     Article 246

c.      Article 297

d.     Article 300

 

88. The concept of pulse fishing is adopted by _________ countries.

a.      Distant water

b.     Land locked

c.      Archipelagic

d.     Coastal

 

89 The world’s first marine protected area was __________.

a.      Fort Jefferson national monument

b.     Great barrier reef

c.      Chilka lake

d.     Sunderbans

 

90 Find out the odd in following with respect to functions of Extension education.

a.      Knowledge

b.     Achievement

c.      Skill

d.     Goal

 

91 ICAR established the section of extension education in the year

a.      1969

b.     1970

c.      1971

d.     1972

 

92 The choice of channel for marketing is not depend upon

a.      Market

b.     Infrastructure facility

c.      Product

d.     Price

 

93 ________ does not have fixed seat in the market

a.      Vendor

b.     Wholesaler

c.      Commission agent

d.     Auctioner

 

94 Which sampling method do you suggest for heterogeneous population?

a.      Simple random

b.     Systamatic

c.      Stratified

d.     Sequential

 

95 χ2  is applied to which type of data?

a.      Interval

b.     Measurement

c.      Attribute

d.     Rank

 

96 Fishes having a mixed diet are termed as__________.

a.      Stenophagous

b.     Monophagous

c.      Euryphagous

d.     Microphagus

 

97 Kidney shaped dark scar is the identifying character of the oyster

a.      Saccostrea cuculata

b.     Crassostrea rivularis

c.      Crassostrea madrasensis

d.     Crassostrea gryphoides

 

98 _________ is the leading country in export of ornamental fishes.

a.      Singapore

b.     China

c.      Srilanka

d.     USA

 

99 Primitive larvae of mollusca

a.      Nauplius

b.     Trochophore

c.      Velliger

d.     Zoea

 

100 The widest area of continental slope belongs to

a.      Maharashtra coast

b.     Andhra coast

c.      Gujarat coast

d.     Tamilnadu coast

 

 

 

101 Which is the longest river system in India?

a.      Indus

b.     Ganga

c.      Bramhaputra

d.     Mahanadi

 

102 Beels/ oxbow lakes are mostly distributed in

a.      Tamilnadu

b.     Gujarat

c.      Himachal Pradesh

d.     Assam

 

103 The mudflat and saline swamps located in West Bengal are called as

a.      Bheries

b.     Lagoon

c.      Backwater

d.     Embanked brackishwater

 

104 Which fish is placed under Chondrichthyes?

a.      Herring

b.     Eel

c.      Loaches

d.     Shark

 

105 Which is the anadromous fish?

a.      Hilsa

b.     Catfish

c.      Magur

d.     Pangassius

106 Which River system is the original habitat of Indian Major Carps?

a.      Indus

b.     Ganga

c.      Brahmaputra

d.     Narmada

 

107 Which animals among the following has headfoot?

a.      Garden Snail

b.     Freshwater mussel

c.      Seamussel

d.     Cuttle fish

 

108 Scientific name of big eye tuna?

a.      T. alalunga

b.     T.albacores

c.      T. obesus

d.     T.tonggol

 

109 Unio is

a.      Edible oyster

b.     Freshwater mussel

c.      Freshwater snail

d.     Sea mussel





Objective questions for Fisheries and Aquaculture with answers.

Answer Key

1

b

11

d

21

d

31

c

41

b

51

b

61

b

71

a

81

c

91

c

2

b

12

a

22

c

32

b

42

c

52

b

62

b

72

c

82

b

92

b

3

a

13

c

23

c

33

d

43

d

53

a

63

a

73

d

83

c

93

a

4

b

14

a

24

c

34

b

44

c

54

a

64

b

74

b

84

d

94

c

5

d

15

b

25

a

35

c

45

d

55

d

65

c

75

d

85

c

95

c

6

a

16

d

26

a

36

b

46

a

56

c

66

a

76

c

86

b

96

c

7

b

17

a

27

a

37

b

47

c

57

b

67

d

77

b

87

b

97

c

8

c

18

c

28

b

38

d

48

a

58

a

68

a

78

a

88

a

98

a

9

a

19

a

29

d

39

b

49

d

59

c

69

a

79

b

89

a

99

b

10

b

20

b

30

a

40

b

50

b

60

d

70

b

80

a

90

b

100

c

101

b

111

a

121

b

131

c

141

b

151

a

161

c

171

c

181

d

191

a

102

d

112

b

122

d

132

a

142

d

152

d

162

d

172

d

182

b

192

a

103

a

113

a

123

a

133

a

143

b

153

c

163

a

173

d

183

a

193

c

104

d

114

d

124

a

134

c

144

b

154

a

164

c

174

d

184

a

194

c

105

a

115

d

125

b

135

b

145

c

155

a

165

d

175

a

185

b

195

d

106

b

116

d

126

d

136

d

146

b

156

a

166

d

176

b

186

c

196

c

107

d

117

c

127

b

137

b

147

b

157

c

167

b

177

a

187

a

197

c

108

c

118

a

128

a

138

c

148

b

158

c

168

a

178

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c

198

b

109

b

119

d

129

a

139

b

149

a

159

a

169

b

179

a

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a

199

d

110

b

120

a

130

c

140

a

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160

a

170

c

180

a

190

d

200

b

MCQ in Fisheries and Aquaculture with Answers  

1 comment:

  1. Only 109 questions are visible..but answer key shows 200 questions??

    ReplyDelete

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