Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Fisheries Officer' And exam conducted in the year 2023. And Question paper code was '023/2023'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
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Choose the species for which the following statements are true :
@ Larvae are fed with rotifers followed by artemia nauplii during the hatchery phase
Gi) Larvae are cannibalistic
(11) Regular size grading is done during the larval phase to remove ‘shooters’
(^) Etroplus suratensis (3) Chanos chanos
(0) Mugil cephalus (D) Lates calcarifer
Stocking material for Penaeus vannamei culture in India is fully dependent on :
(A) Specific pathogen free broodstock
(B) Specific pathogen resistant broodstock
(C) Specific pathogen tolerant broodstock
(D) All the above
Which of the following carps prefers to feed on detritus?
(A) Ctenopharyngodon idella ൯) Labeo catla
(0) Hypophthalmichthys molitrix (D) Cirrhinus cirrhosus
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 :
(^) RAS Technology (B) Aquaponics Technology
(C) Biofloc Technology (D) Bioremediation Technology
Which among the following fishes shows these changes during breeding season?
൫ Males with tubercles on head, operculum and pectoral fins
൯൬ Bulged belly in female
(ii) Round and protruded genital opening in females
(^) Pterophyllum scalare (B) Etroplus maculatus
(C) Betta splendens (D) Carassius auratus
9 023/2023
[P.T.0.]