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

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

Objective questions for Fisheries and Aquaculture with answers

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	c	188	c	198	b
109	b	119	d	129	a	139	b	149	a	159	a	169	b	179	a	189	a	199	d
110	b	120	a	130	c	140	a	150	c	160	a	170	c	180	a	190	d	200	b

MCQ in Fisheries and Aquaculture with Answers