Kerala PSC Previous Years Question Paper & Answer

Title : FISHERIES EXTENSION OFFICER -FISHERIES
Question Code : A

Page:11


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'FISHERIES EXTENSION OFFICER -FISHERIES ' And exam conducted in the year 2021. And Question paper code was '087/2021'. 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.

page: 11 out of 16
Excerpt of Question Code: 087/2021

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087/21

The concept of human health and animal health are interdependent and bound to
the health of the ecosystem in which they exist is known as

A) Disease triad B) Eco health

C) One health D) Sustainable health

Which among the following statement is true about the monoclonal antibody ?
i. Batch to batch variability

ii. Expensive to produce

iii. Recognize only one epitope of an antigen

iv. Recognize multiple epitope of an antigen

A) iand iii B) ii and iii C) iand ii D) All

Which among the following is an antifungal compound used in aquaculture ?
A) Trifuralin B) Crystal violet
C) Malachite green D) All

Most promising fish and shrimp immunostimulant isolated from the yeast cell wall
A) Chitin 8) Peptidoglycan 0) Laminaran D) Glucans

Preferred order of electron acceptors in bioremediation
A) Iron, Nitrate, Sulfate, Oxygen, Carbon dioxide
8) Oxygen, Nitrate, Iron, Sulfate, Carbon dioxide
©) Carbon dioxide, Sulfate, Iron, Oxygen, Nitrate
0) Oxygen, Carbon dioxide, Nitrate, Iron, Sulfate

Which among the following is not true about SPF animal ?

A) SPF status doesn’t refer their susceptibility to infection or disease

B) Developed through a rigorous quarantine and disease screening process
C) Result from a specific breeding programme designed to increase resistance
D) All

Concentration of nitrite above 2 ppm in the culture tank can cause
A) New tank syndrome

B) Air bubble disease

C) Brown blood disease

D) Acidosis

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