FISHERIES SCIENCE- PATHOLOGY
FISHERIES SCIENCE- PATHOLOGY-MCQs
1. Furunculosis is caused by
(A) Aeromonas salmonicida
(B) Cytophagapsy chrophila
(C) Renibacterium salmoninarum
(D) Vibrio salmonicida
Ans: A
2. A molecular method recommended as gold standard for diagnosis of viral diseases in a shrimp is
(A) ELISA (B) LAMP (C ) PCR (D) RFLP
Ans: C
3. Which of the following is affected by yellow head disease?
(A) White shrimp (B) Pink shrimp
(C ) Tiger shrimp (D) Banana shrimp
Ans: C
4. EUS is very common in the species of
(A) Perches (B) Carps (C) Barks (D) Murrels
Ans: D
5. The causative agent for black spot disease is
(A) Diplostomum (B) Myxobolus
(C) Costia (D) Gyrodactylus
Ans: A
6. One of the following species is a luminescent bacteria that causes ‘luminescent bacterial syndrome” in shrimp
(A) Vibrio campbeli
(B) Vibrio harveyi
(C) Vibrio parahaemolyticus
(D) Vibrio alginolyticus
Ans: B
7. Dropsy in fishes is caused by
(A) Virus
(B) Fungi
(C) Bacteria
(D) Algae
Ans: C
8. Argulus is commonly called as
(A) Fish lice
(B) Anchor worm
(C) Leech
(D) Blood worm
Ans: A
9. A typical ectoparasite is
(A) Leech
(B) Gyrodactylus
(C) Dactylogyrus
(D) Bacteria
Ans: A
10. Fin rot disease is caused by
(A) Bacteria
(B) Virus
(C) Salmonella
(D) Fungi
Ans: A
11. The most common fungus attacking fry to adult stages of fish is
(A) Branchiomyces
(B) Trichodina
(C) Aspergillus
(D) Saprolegnia
Ans: D
12. Swollen abdomen indicates the disease
(A) Saprolegniasis
(B) Argulosis
(C) Dropsy
(D) White spot disease
Ans: C
13. Bacterial disease in fishes is
(A) Tail rot
(B) lch disease
(C) Lymphocystis
(D) Pancreatic necrosis
Ans: A
14. The fish suffers with hemorrhages in eyes, bleeding in gills with slight pressure and inflammation of the intestinal tract which are due to disease called
(A) Dropsy
(B) Vibriosis
(C) Furunculosis
(D) Branchiomycosis
Ans: D
15. The Furunculosis disease is caused by
(A) Pseudomonas
(B) Aeromonas
(C) Argulus
(D) Saprolegnia
Ans: B
16. The fish lice is
(A) Lernea
(B) Ergacilus
(C) Pediculus
(D) Argulus
Ans: D
17. In shrimps, the black death disease is due to deficiency of
(A) Vitamin A
(B) Mythicobalamine
(C) Vitamin ‘C’
(D) Calciferol
Ans: C
(A) Aeromonas salmonicida
(B) Cytophagapsy chrophila
(C) Renibacterium salmoninarum
(D) Vibrio salmonicida
Ans: A
2. A molecular method recommended as gold standard for diagnosis of viral diseases in a shrimp is
(A) ELISA (B) LAMP (C ) PCR (D) RFLP
Ans: C
3. Which of the following is affected by yellow head disease?
(A) White shrimp (B) Pink shrimp
(C ) Tiger shrimp (D) Banana shrimp
Ans: C
4. EUS is very common in the species of
(A) Perches (B) Carps (C) Barks (D) Murrels
Ans: D
5. The causative agent for black spot disease is
(A) Diplostomum (B) Myxobolus
(C) Costia (D) Gyrodactylus
Ans: A
6. One of the following species is a luminescent bacteria that causes ‘luminescent bacterial syndrome” in shrimp
(A) Vibrio campbeli
(B) Vibrio harveyi
(C) Vibrio parahaemolyticus
(D) Vibrio alginolyticus
Ans: B
7. Dropsy in fishes is caused by
(A) Virus
(B) Fungi
(C) Bacteria
(D) Algae
Ans: C
8. Argulus is commonly called as
(A) Fish lice
(B) Anchor worm
(C) Leech
(D) Blood worm
Ans: A
9. A typical ectoparasite is
(A) Leech
(B) Gyrodactylus
(C) Dactylogyrus
(D) Bacteria
Ans: A
10. Fin rot disease is caused by
(A) Bacteria
(B) Virus
(C) Salmonella
(D) Fungi
Ans: A
11. The most common fungus attacking fry to adult stages of fish is
(A) Branchiomyces
(B) Trichodina
(C) Aspergillus
(D) Saprolegnia
Ans: D
12. Swollen abdomen indicates the disease
(A) Saprolegniasis
(B) Argulosis
(C) Dropsy
(D) White spot disease
Ans: C
13. Bacterial disease in fishes is
(A) Tail rot
(B) lch disease
(C) Lymphocystis
(D) Pancreatic necrosis
Ans: A
14. The fish suffers with hemorrhages in eyes, bleeding in gills with slight pressure and inflammation of the intestinal tract which are due to disease called
(A) Dropsy
(B) Vibriosis
(C) Furunculosis
(D) Branchiomycosis
Ans: D
15. The Furunculosis disease is caused by
(A) Pseudomonas
(B) Aeromonas
(C) Argulus
(D) Saprolegnia
Ans: B
16. The fish lice is
(A) Lernea
(B) Ergacilus
(C) Pediculus
(D) Argulus
Ans: D
17. In shrimps, the black death disease is due to deficiency of
(A) Vitamin A
(B) Mythicobalamine
(C) Vitamin ‘C’
(D) Calciferol
Ans: C
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