Pest and Diseases Affecting Fish Propagation

For those of you who are struggling to find reviewers for Agriculture and Fishery Arts this coming March 2018 Board Licensure Examination for Professional Teachers (BLEPT), then you found the right page! This set of questions covers the Pest and Diseases Affecting Fish Propagation. If you have found errors/corrections, you may email us at

Instructions: Multiple choices. Please read the questions carefully and answer all questions. Goodluck!

All are possible causes of a large part of the fish stock that show distress or die suddenly, EXCEPT _____.
Liam found black spots in the body of fish he raised. To stop the spread of disease, what should he do?
Only a few fish are dead while some others show distress over a period of several weeks. What is the main probable cause?
Only a few fish are dead while some others show distress over a period of several weeks. What is the main probable cause?
For farmed fish, nutritional diseases will occur when the fish are NOT fed with the _____.
Red tide occurs mostly right after summer. What minute single-celled organisms cause red tide phenomenon that affects shell fishes?
The fish is attacked by round worm in spiral shape near gills. The pathogen responsible for it is _____.
According to fish laboratory result, the fish disease in Ruben's cultured sea bass is caused by bacteria. The best prevention is to improve _____.
Fish which has a nutritional disease caused by lack of protein exhibits the following symptoms, EXCEPT _____.
An infected pond with pests and diseases should be dried up. After drying, what should be spread evenly over an entire surface of pond bottom at the rate of 1500 kg/ha.?
Human feces should not be disposed in water because this will become a source of _____ especially to common carp.
Myla noticed that her 30 days old cultured shrimp was attacked by an emerging disease caused by bacteria. What is the name of the disease that attacks shrimp at an early age?
The milkfish cultured by Liam showed symptoms of caudal fin erosion and loss of appetite despite his important feeds. What food nutrient is lacking in his artificial feeds?
Which disease in Tilapia is caused by the Dactylogyrus parasite? The parasites are found on the gills and the infected fish gape for breath, gills are expanded and very pale.
Joseph noticed that fungus is the main cause of fish disease in his aquarium. He made the following preventive steps, EXCEPT ______.
Jesse was alerted because of the poor growth of his tilapia. The laboratory diagnosed that the fish has a nutritional disease that is lack of lipids. The best remedy is to feed them with ______.
Anton observed cottony grey-white or brown patches on the skin of his goldfish. The pathogen is _____.
Eating uncooked fish or squid infected with parasitic roundworms living in the stomach of fish has a chance to be transferred to a human being. The name of the disease caused by the transfer of the fish parasites to a human being is called _____.
All are three major groups of living organisms that may be responsible for fish diseases, EXCEPT _____.
External parasites are detrimental to fish good health. Which group is NOT commonly encountered?
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