CUSAT CAT 2018 Question Paper Fisheries

Subject Code : 608 Section Code : -Select- Difficulty: 1

Subject Answer
Q Id Questions
Code Key

All the fish known to science are divided into two major groups. They are,

(A) Agnatha and Gnathostomata

608 1201 (B) Fin fish and shell fish (C)

(C) Chondtricthys and Osteoicthys

(D) Pelagic fish and deep sea fish

Operculum is absent in one of the following fish,

(A) Sharks

608 1202 (B) Mullets (A)

(C) Silver fish

Latemeria chalumnae is,

(A) Holocephalei

608 1203 (B) Coelacanth (B)

(C) Dipnoi

(D) Mud skipper

Male of the following fish carries the brood pouch to deliver young ones,

(A) Gourami sp

608 1204 (B) Exocoetus sp. (D)

(C) Eterplus suratensis

(D) Hippocampus kuda

One of the following fish has accessory respiratory organ,

(A) Rhynodon typus

608 1205 (B) Dasyatid sp. (D)

(C) Sardinella fimbriata

(D) Anabas testudens

A breeding Etroplus suratensis or the Karimeen is

(A) Highly polygamous

608 1206 (B) Exclusively monogamous (B)

(C) Unconcerned

608 1207 In freshwater fish-culture Carp Pituitary Extract is used for (C)

(A) Rapid growth of fingerlings

(B) High conversion efficiency of adults

(C) Induced breeding

(D) Efficient feeding

Marine plankton which act as forerunners of annual regular fishery are known as

(A) Zooplankton

608 1208 (B) Phytoplankton (C)

(C) Indicator species

(D) Irrelevant to fishery

The fish that form a major composition in the fishery around Minicoy seas is

(A) Tuna

608 1209 (B) Sardines (A)

(C) Sharks

(D) Mackeral

By-catch of fishing boats comprise of

(A) Target fish

608 1210 (B) Shrimps (C)

(C) low value fish that is discarded

(D) recovered fish

Largest brackish water lake in India is,

(A) Chilka lake

608 1211 (B) Vebanad lake (A)

(C) Pulicat lake

(D) Lake Mansarover

Which one of the following is mostly exported to overseas market?

(A) Pearl spot

608 1212 (B) Jelly fish (D)

(C) Cat fish

(D) Shrimps

The first fisheries college in India was established at

(A) Mangalore

608 1213 (B) Panankad, Cochin (A)

(C) Ratnagiri

(D) Tuticorin

Which organization is responsible for promotion of sea foods for overseas market?

(A) Department of biotechnology

608 1214 (B) Karnataka State Fisheries (C)

(C) MPEDA

(D) Export Inspection Agency

608 1215 Pokkali field culture is practiced in the state of (A)

(A) Kerala

(B) Tamil Nadu

(C) Karnataka

(D) Maharashtra

Rich source of vitamin ‘A’ is in

(A) Fish muscle

608 1216 (B) Cod liver oil (B)

(C) Shark skin

(D) Air bladder of fish

Lobster belong to

(A) Echinodermata

608 1217 (B) Mollusca (D)

(C) Coelentrata

(D) Crustacea

Heavy nutrient influx and over fertilization of aquatic environment is referred as

(A) Eutrophication

608 1218 (B) Putrification (A)

(C) Oxidation

The predominant compound / mineral present in sea water is

(A) Mangenese sulphate

608 1219 (B) Calcium carbonate (D)

(C) Pottasium chloride

(D) Soddium chloride

Common name for fresh water prawn is

(A) Scampi

608 1220 (B) Lobster (A)

(C) King crab

Quick maturation in penaed shrimps is achieved by

(A) Removal of legs

608 1221 (B) Abeletion of telson (C)

(C) Eyestalk abelation

(D) Abelation of chelepeds

608 1222 Induced breeding of major carps in India was first achieved by (A)

(A) Chaudhary and Alikunhi

(B) V.G. Jingaran

(C) Swingle

(D) Ahamed Khan

Maximum quantity of freshwater aquaculture production comes from

(A) Salmons

608 1223 (B) Catfish (C)

(C) Carps

(D) Prawns

Gonodotorphins are produced in

(A) Hypothalamus

608 1224 (B) Adrenal gland (A)

(C) Gonads

(D) Pancreas

Most preferred food of spawn of Indian major carp is

(A) Phytoplankton

608 1225 (B) Zooplankton (B)

(C) Artefcial food

(D) Benthic detritus

Abundant marine fish in the coastal areas of Konkan coast is

(A) Bombay duck fish

608 1226 (B) Lobsters (D)

(C) Polynemids

(D) Oil Sardines

Limited amount of crude protein in fish feed is

(A) Useful

608 1227 (B) Harmful (A)

(C) Not required

(D) Negligible

Gas bubble disease is normally associated with super saturation of

(A) Carbon-di-oxide

608 1228 (B) Sulpher-di-oxide (C)

(C) Oxygen

(D) Ammonia

Hard substratum is essential for settlement of

(A) Asteroid larvae

608 1229 (B) Bivalve mollusk spats (B)

(C) Lobster seed

(D) Shrimp seed

608 1230 Spawning in oysters can be induced by (D)

(A) Turbidity

(B) Dissolved oxygen

(C) Salinity

(D) Temperature

Cultured pearls can be produced in

(A) Pinctada fucata

608 1231 (B) Mytilus edulis (A)

(C) Petinopecten sp.

(D) All of the above

Nacre in pearl oysters is known as

(A) Gonad

608 1232 (B) Mntle (C)

(C) Mother of pearl

(D) Foot

Based on the breeding habit, goldfish is a

(A) Viviparous fish

608 1233 (B) Parthenogenetic fish (D)

(C) Ovo-viviparous fish

Which chemical is used in cryopreservation?

(A) Hydrochloric acid

608 1234 (B) Alcohol (C)

(C) Liquid nitrogen

(D) Liquid Ammonia

One of the following bivalve mollusk is listed under CITES

(A) Green mussel

608 1235 (B) Edible oyster (C)

(C) Giant clam

(D) Pearl oyster

Pistia is

(A) an emergent weed

608 1236 (B) a submerged weed (C)

(C) a floating weed

(D) a marginal weed

608 1237 Which one of the following is commonly used for measurement of light penetration? (C)

(A) Nansen bottle

(B) Peterson grab

(C) Scchi disc

(D) Oxygen meter

Best natural nursery location for brackish water fish and shrimp is

(A) Open sea

608 1238 (B) Coastal waters (C)

(C) Mangrove swamp

(D) Rivers

Rainbow trout belongs to the family

(A) Channidae

608 1239 (B) Ictaluridae (C)

(C) Solmonidae

(D) Cyprinidae

An ideal protein rich alga is

(A) Spirulina

608 1240 (B) Microcystis (A)

(C) Euglena

(D) Spirogyra

Basic unit of heredity is

(A) Bone marrow

608 1241 (B) Ribosome (D)

(C) Golgi body

(D) DNA

Jelly fish is a

(A) Coelenterate

608 1242 (B) Mullusc (A)

(C) Crustacean

(D) Planktonic fish

Major nitrogenous metabolite in the excretion of fish is

(A) Urea

608 1243 (B) Ammonia (B)

(C) Uric acid

(D) Sodium

Pearl spot fish is the common name of

(A) Etroplus suratenensis

608 1244 (B) Sardinella longiceps (A)

(C) Rastrelliger kanakurta

(D) Sardinella fimbriatee

608 1245 Pearl is produced in pearl oyster by the secretion of (A)

(A) Nacre on foreign body

(B) Mucus

(C) Harmones

(D) Crystaline style

Neuromast cells in fishes are associated

(A) Nervous system

608 1246 (B) Lateral line (B)

(C) Skeletal system

(D) Muscular system

Which one of the following contains red meat?

(A) Cat fish

608 1247 (B) Mackerel (C)

(C) Tuna

(D) Pomfret

Branchiomicosis is a

(A) Systemic disease

608 1248 (B) Skin disease (C)

(C) Gill rot

(D) Fin rot

Scientific name of giant fresh water prawn is

(A) Macrobrachiam acanthurus

608 1249 (B) Macrobrachium rosenbergii (B)

(C) Macrobrachium carcinus

(D) Macrobrachium commersoni

Common name of Harpodon nehereus is

(A) Mackerel

608 1250 (B) Sole (D)

(C) Trout

(D) Bombay duck

Generic name of sole-fish which is abundantly captured from Arabian sea is

(A) Solia

608 1251 (B) Cynoglossus (B)

(C) Pseudorhombus

(D) Psettodus

608 1252 In natural waters the fish can withstand sudden temperature changes for short duration Is known as, (B)

(A) Thermal adaptability

(B) Thermal endurance

(C) Thermal withstanders

(D) Thermal capability

Monosex culture is commonly practiced for culturing

(A) Tilapia

608 1253 (B) Catla (A)

(C) Clarias

(D) Channa

The common name of Lates calcarifer is

(A) Sea bass

608 1254 (B) Milk fish (A)

(C) Ribbon fish

Which of the following fish is comparatively tough enough to breath out of water?

(A) Mullets

608 1255 (B) Cat fish (D)

(C) Carps

(D) Murrels

What is the distance of EEZ of every country from its shore line?

(A) 300 nautical miles

608 1256 (B) 200 nautical miles (B)

(C) 100 nautical miles

(D) 50 nautical miles

Spawning is artificially induced in fish by

(A) Drugs

608 1257 (B) Chemicals (C)

(C) Hypophysation

(D) Cryo-preservation

Hapas are used for

(A) Hatching eggs

608 1258 (B) Spawning (A)

(C) Collecting eggs

Long time activation of gamates is achieved by preserving in

(A) Cryopreservation

608 1259 (B) Formalin preservation (A)

(C) Freeze drying

(D) Air drying

608 1260 The pH of acid sulphate soil is (A)

(A) 4

(B) 7

(C) 8

In fish, highest protein content is present in

(A) muscle

608 1261 (B) heart (A)

(C) liver

(D) tail

Bheri culture is common in

(A) Andhra Presdesh

608 1262 (B) West Bengal (B)

(C) Tamil Nadu

(D) Kerala

The golden anchovy is scientifically known as

(A) Coilia dussumeri

608 1263 (B) Sardinella sirm (A)

(C) Hilsa ilisha

(D) Stolephorus indicus

Corslet in Tuna is

(A) Respiratory organ

608 1264 (B) Arrangement of fins (C)

(C) Arrangement of body scales

(D) Lateral line system

Saurida tumbill is

(A) Lizards fish

608 1265 (B) Lung fish (A)

(C) Cuttle fish

(D) eels

Thenus orientalis is

(A) Rock lobster

608 1266 (B) Sand lobster (B)

(C) Deep sea lobster

608 1267 Antarctic krill is (C)

(A) Deep water prawn

(B) pelagic crab

(C) Euphasiid

(D) Rock lobster

Increase in concentration of toxic chemicals, heavy metals etc. from one link in food chain to another is

(A) Bio-accumulation

608 1268 (B) Bio-magnification (B)

(C) Bio-synthesis

Administration of medication for the purpose of preventing disease or infection in fish is known as

(A) Chemotherapy

608 1269 (B) Chemotoxis (D)

(C) Chemoreception

(D) Chemoprophylaxis

Treatment of fish with water and salt mixture is known as

(A) Brining

608 1270 (B) Pickling (A)

(C) Canning

(D) Drying

Combination or alteration of agriculture and freshwater aquaculture is known as

(A) Aquaculture and fish breeding

608 1271 (B) Farming and Cultivating (C)

(C) Agro-pisciculture

(D) Agro ecosystem

A freshwater bearing stratum of permeable rock, sand or gravel that provides a ground water reservoir is
known as

(A) Pond
608 1272 (C)
(B) Lake

(C) Aquifer

(D) Ground water

Material capable of being decomposed by natural biological processes is

(A) Bioenergetics

608 1273 (B) Biodegradable (B)

(C) Naturally destructible

608 1274 Sexually mature fish, especially for propagation in fish farms is (C)

(A) Gravid female

(B) Breeding fish

(C) Brood fish

(D) Ripe fish

The culture of crabs is known as

(A) Crustacean culture

608 1275 (B) Pisci culture (D)

(C) Clone culture

(D) Carcinoculture

Control of undesirable biota by means of other biota is known as

(A) Biotic control

608 1276 (B) Pathogenic control (D)

(C) Serological control

(D) Biological control

Which agency has the ultimate responsibility to provide license to shrimp farmer?

(A) MPEDA

608 1277 (B) Respective State Fisheries (C)

(C) Aquaculture Authority of India

(D) District Collector

Organisms tolerating high temperature variation

(A) Euryhaline

608 1278 (B) Eurytherm (B)

(C) Thermostatism

(D) Thermocline

The chitin or calcified outer covering of arthropods which protect the soft inner tissues

(A) Chitinous skeleton

608 1279 (B) Calciskeleton (D)

(C) Dermoskeleton

(D) Exoskeleton

An assemblage of aquatic organisms that grow upon fishing vessels thus preventing normal function

(A) Clustering

608 1280 (B) Fouling (B)

(C) Clumping

Organism having both male and female reproductive organs are

(A) Bisexual animals

608 1281 (B) Diploid animals (C)

(C) Hermaphrodite animals

(D) Androgenic animals

608 1282 Management of captive animals to enhance reproduction, growth and health (A)

(A) Husbandry

(B) Protondry

(C) Cloning

(D) Calfing

Reproduction from a female gamete without fertilization by a male gamete

(A) Afertilisatiom

608 1283 (B) Parthenogenesis (B)

(C) Metagenesis

(D) Homogenesis

Smoked Tuna is called as

(A) Fish pickle

608 1284 (B) Masmin (B)

(C) Fish soup powder

(D) Surumi

Fish flesh get spoiled due to

(A) Loss of water

608 1285 (B) Loss of blood (D)

(C) Loss of vitamins

(D) Enzyme action

During spoilage of fish glycogen is converted into

(A) Lactic acid

608 1286 (B) Palmitic acid (A)

(C) Acitic acid

(D) Linoleic acid

Hot smoking of fish can be done at the temperature range of

(A) Below 35�C

608 1287 (B) Above 150�C (C)

(C) 60-80�C

(D) 20-30�C

The thermal efficiency of boat engine with two stroke cycle as compared to a four stroke cycle engine is

(A) More

608 1288 (B) Less (A)

(C) Equal

(D) Much less

608 1289 In internal combustion engine the essential four operations are carried out in the following sequence (B)

(A) Suction, exhaust, power and compression

(B) Suction, compression, power and exhaust

(C) Suction, power, exhaust and compression

(D) Suction, compression, exhaust and power

Process of directing a fishing vessel/boat from one place to another in a safe way is called as

(A) Seamanship

608 1290 (B) Position fixing (D)

(C) Fishing

(D) Navigation

Deck machineries required for trawling are

(A) Power blocks

608 1291 (B) Triplex rollers (C)

(C) Winches

The vertical opening of trawl net is effected by

(A) Floats and sinkers

608 1292 (B) Otter board (A)

(C) Jibs

(D) Beams

The unit of speed in marine navigation is

(A) Mile

608 1293 (B) Kilometre (C)

(C) Knot

Colourless netting material is preferred for

(A) Trawl net

608 1294 (B) Gill net (B)

(C) Shooting net

(D) Cast net

Scientific name of green mussel is

(A) Perna viridis

608 1295 (B) Mytilus viridis (A)

(C) Anadora granosa

(D) Perna indica

Soap-oil emulsion is application is used to control

(A) Aquatic weeds

608 1296 (B) Aquatic insects (B)

(C) Aquatic snakes

(D) Aqaitic snails

608 1297 Mud bank or ‘Sagara’ fishery is known from (C)

(A) Gujarat

(B) Tamil Nadu

(C) Kerala

(D) West Bengal

Guppies are

(A) Oviparous

608 1298 (B) Live bearers (B)

(C) Mouth brooders

(D) Nest builders

Fistularia is

(A) Saw fish

608 1299 (B) Devil fish (C)

(C) Pipe fish

(D) Flat fish

Morphometric characters in fishes are

(A) Measurable characters

608 1300 (B) Countable characters (A)

(C) Non-measurable characters

Among fish, forkd teeth are found in

(A) Sharks

608 1301 (B) Sardines (C)

(C) Bombay duck

(D) All of the above

Air breathing in Anguilla spp. is effected by

(A) Labrinthiform organs

608 1302 (B) External gills (D)

(C) Saccular organs

(D) Wet slimy skin

Scientific name of yellow fin tuna is

(A) Kastuwonus pelamis

608 1303 (B) Auxis thazard (C)

(C) Thunnus albavcares

(D) Catla catla

608 1304 Polynemids are popularly known as (A)

(A) Thread fins

(B) Dhols

(C) Seer fish

(D) Soles

Aflatoxins are normally associated with

(A) Frozen fish

608 1305 (B) Iced fish (D)

(C) Canned fish

(D) Smoked fish

Agar-Agar is prepared from one of the following sea-weeds

(A) Padina

608 1306 (B) Sargassum (D)

(C) Ulva

(D) Gracillaria

Fish oil is rich in

(A) Vitamin-‘A’ alone

608 1307 (B) Vitamin-‘C’ and Vitamin-‘D’ (C)

(C) Vitamin-‘A’ and Vitamin-‘D’

(D) Vitamin-‘B’

Frozen fish products are packed in wax or plastic coated boxes in order to prevent

(A) Loss of moisture

608 1308 (B) Denaturation (C)

(C) As above both ‘A’ and ‘B’

Factors affecting the oxidation in fish fat is

(A) Light radiation

608 1309 (B) pH (D)

(C) Temperature

(D) All of the above

Lowering of temperature to preserve fish at 0�C is known as

(A) Chilling

608 1310 (B) Super chilling (A)

(C) Freezing

(D) All of the above

Otolith of fish can be collected by opening up of………fish

(A) Abdomen

608 1311 (B) Skull (B)

(C) Eyes

608 1312 Red Tilapia is appreciated for its (C)

(A) Better conversion ratio

(B) Faster growth rate

(C) All of the above

Dissolved oxygen in water is estimated by

(A) Irwin method

608 1313 (B) Nansen method (C)

(C) Winkler method

(D) Hale method

Permanent plankton are termed as

(A) Meroplankton

608 1314 (B) Holoplankton (B)

(C) Pleuston

(D) Neuston

It is an ‘individual contact method’ of extension teaching

(A) Video lesson

608 1315 (B) Radio (D)

(C) method of demonstration

(D) farm and home visit

Primary data is collected through

(A) Books

608 1316 (B) Journals (C)

(C) Field survey

(D) Internet

Orderly removal of moisture from the timber meant for boat building is known as

(A) Drying

608 1317 (B) Seasoning (B)

(C) Preservation

Which method is used to estimate the primary productivity of water bodies?

(A) Light and dark bottle method

608 1318 (B) Spectrophotometry (A)

(C) Sacci disc method

(D) Winkler’s method

608 1319 For preservation of plankton 2 to 4% of this solution is used (A)

(A) Farmaldehyde

(B) Methylene blue

(C) Melachite green

(D) Mallory’s triple

What level the primary producers occupy in the food chain?

(A) Top level

608 1320 (B) Third trophic level (D)

(C) Second trophic level

(D) First trophic level

Mangroves are known for their use for

(A) Fisheries and lively-hood

608 1321 (B) Timber and animal food (D)

(C) Pharmaceutical products

(D) All of the above

The main process contributing to the enrichment of nutrients in sea is

(A) Eutrophication

608 1322 (B) Spring tide (C)

(C) upwelling

(D) All of the above

In India, the artificial pearl production technique is standardized by

(A) CIFE

608 1323 (B) CMFRI (B)

(C) NIO

(D) CIFT

Artemia inhabits

(A) Sea water

608 1324 (B) Fresh water (C)

(C) Super saline water

(D) Brackish water

Fishes with wide range of salinity tolerance are called

(A) Eurybenthic

608 1325 (B) Eurythermic (D)

(C) Stenohaline

(D) Euryhaline

The amount of dissolved salts (in grams) in one litre (1000cc) of water is called

(A) Turbidity

608 1326 (B) Solubility (C)

(C) Salinity

(D) Saturation

608 1327 In construction of all glass aquarium tanks, which one of the following is used (D)

(A) Battery compound

(B) Gum

(C) Polythene gel

(D) Silicon paste

‘Chichlids’ belong to the order

(A) Cypriniformes

608 1328 (B) Siluriformes (C)

(C) Perciforms

(D) Scorpaeniformes

The teeth in sharks are modified

(A) Jaw bones

608 1329 (B) Placoid scales (B)

(C) Gill rakers

Manta rays are

(A) Highly carnivorous

608 1330 (B) Bottom feeders (C)

(C) Plakton feeders

(D) Herbivorous

Heteropneustes fossilis is a

(A) Ray fish

608 1331 (B) Cat fish (B)

(C) Agnatha

(D) Milk fish

Which of the following is best preserved after sun-drying?

(A) Harpadon

608 1332 (B) Labeo (A)

(C) Shark

(D) Pomfrets

Which of the following amino acid is found to be abundant in fish?

(A) Leucine

608 1333 (B) Lysine (B)

(C) Tryptophan

(D) Methionine

608 1334 The species which is most suitable for aquaculture is called (B)

(A) Exotic species

(B) Candidate species

(C) Subspecies

(D) Native Species

Ceratodus is a

(A) Fossil lungfish

608 1335 (B) Fossil catfish (A)

(C) Living fossil

(D) Living Lungfish

Most mesopelagic fishes without a gas-filled swim bladder are

(A) Not buoyant

608 1336 (B) Negligible buoyant (C)

(C) Negatively buoyant

(D) Positively buoyant

Which of the following are famous as glass-fishes?

(A) Therapon

608 1337 (B) Chanda (B)

(C) Esomus

(D) Carassius

Which lay eggs in regular rows on flat surface and guard the eggs?

(A) Characins

608 1338 (B) Cichlids (B)

(C) Cyprinodonts

(D) Anabantids

Which of the following has an elongated, highly compressed, ribbon-like, silvery body?

(A) Harpodon

608 1339 (B) Trichiurus (B)

(C) Tachysurus

(D) Tuna

Age determination with the help of Fin Rays and Spines gained importance in case of highly migratory
species, particularly bonging to

(A) Cyprinidae
608 1340 (B)
(B) Scombridae

(C) Salmonidae

(D) Anguillidae

608 1341 Cycloid scale are found in (C)

(A) Shark

(B) Anguilla

(C) Carps

(D) Snake

Which one is a larvivorous fish?

(A) Scoliodon

608 1342 (B) Gumbusia (B)

(C) Jelly fish

(D) Cuttle fish

Elver is the larva of

(A) Eel

608 1343 (B) Murrel (A)

(C) Mullet

(D) Channa

Heterocercal type of caudal fin is found in

(A) Scorpion

608 1344 (B) Scoliodon (B)

(C) Eel

(D) Tilapia

Which fish can produce electricity?

(A) Narcine

608 1345 (B) Sardine (A)

(C) Mugil

(D) Milkfish

Leaf like larval stage of lobster is called

(A) Phyllosoma

608 1346 (B) Phyllicum (A)

(C) Pnematophore

(D) Physalia

Sexual dimorphism due to luminescence is found in

(A) Ceratoid Angler fishes

608 1347 (B) Lanthern fishes (A)

(C) Whale fishes

(D) Tripod fishes

Both the eyes come to lie on the left side in the adults of

(A) Pampus

608 1348 (B) Otolithiodes (C)

(C) Cynoglossus

(D) Kowala

608 1349 The ratio between food consumed for per unit weight gained by the body is expressed by (A)

(A) Food conversion rate

(B) Food absorption rate

(C) Food consumption rate

(D) Food respiration rate

Culture-based capture fishery is associated with

(A) Ranching

608 1350 (B) Rice-fish (A)

(C) Pig-fish

(D) Aquaculture