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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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Low input sustainable aquaculture system that integrates mangrove tree culture with
brackish water aquaculture :
(^) Silviculture ൯) 81100 81161168
(೮) Sericulture (D) None of the above
The method by which fish germplasm resources are conserved in their natural habitat :
(A) Cryopreservation (B) Exotic Introductions
(0) Ex-situ conservation (D) None of the above
Which of the following statements can be related to ocean acidification?
(i) Corals experience reduced calcification
(ii) Oceans absorb anthropogenic CO: from atmosphere
(111) pH of oceans reduce due to increase in H* ion concentration in seawater
(^) @ and (ii) only (B) (ii) only
) 770 (D) All the above
The air is 78% nitrogen, why is then nitrogen a limiting factor in marine primary
productivity?
(A) Marine plants cannot use atmospheric nitrogen
(B) Role of nitrogen fixing bacteria is limited in the oceans
(C) Nitrate runoff from soil is utilized in the coastal waters
(D) All the above ((A), (B) and (C))
Part of the photic zone of the ocean where animals can see but there is insufficient light for
productive photosynthesis :
(A) Disphotic Zone ൯) Aphotic Zone
(C) Euphotic Zone (D) None of the above
The smallest virus based on the relative molecular mass belongs to :
(A) Herpesviruses (B) _ Iridoviruses
(€) Picornaviruses ൯൩) Rhabdoviruses
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