Fish Diseases

1.Non infectious diseases in fish include;

a.protozoan    b.crustacean        c.fungal        d. All of these

2.For disinfection of fish pond———-ammount of quick lime is advisable;

a.500kg/ha     b.200kg/ha     c.1000kg/ha     d.700kg/ha

3.In lymphocystis, connecting tissues in skin may grow ———-times in size;

a.5000       b.50,000      c.7000       d.3000

4.Tumours or warts on body is symptom of;

a.VHS     b.IPN      c.lymphocystis        d.IHN

5.There is not any cure of following diseases;

a.VHS and IPN      b.IHN and lymphocystis       c.both a and b     d. dropsy and vibriosis

6.VHS is common in ————farming,confined to Europe;

a.labeo rohita       b.salmonid        c.rainbow trout       d.shark

7.IPN stands for;

a.infectious pancreatic necrosis            b.infectious pulmonary necrosis    

c.invading pulmonary necrosis             c.none

8.Foul smelling yellowish fluid in visceral cavity is symptom of;

a.IPH         b.IHN            c. dropsy      d.VHS

9.Thread like mucus from anus excudes in which of the following diseases;

a.IPN and IHN         b.IPN and VHS           c.tail rot and vibriosis     d.icthyophonus and dropsy

10.Which of the following disease is lethal for salmonids fry;

a.infectious pancreatic necrosis                 b.infectious homopoietic necrosis

c.viral haemorrhagic septicaemia              c.frunculosis

11.Bacterial diseases are more common in;

a.temperte       b.tropical        c.subtropical        d.all of them

12.Bacterial diseases include;

a.tail rot or fin rot         b.frunculosis         c.vibriosis and dropsy          d.all of them

13.Dropsy is caused by—————– bacteria;

a.Aeromonas punctata          b.Pseudomonas sp.            C.both a and b     d.Aeromonas salmonicida

14.Vibriosis is common in;

a.fresh water fishes       b.estuarine fishes     c.marine fishes     d. both b and c

15.In furunculosis,Aeromonas salmonicida breed in;

a.large intestine      b. small intestine        c.digestive tract     d.blood vessels

16.Local swelling of muscles and necrosis of kidney is symptom of;

a.furunculosis      b.vibriosis     c.dropsy      d.tail rot

17.Fish is dipped for 1-2min. in 500 ppm  copper sulphate for treatment of;

a.tail rot or fin rot      b.dropsy     c.IHN     d.IPN

18.Vibriosis is caused by;

a.Vibrio salmonidae       b.Vibrio punctata     c.Vibrio pseudomonas       d.Vibrio angullarium

19.In furunculosis treatment,———–conc.of Sulfamerazine or————-conc. Of Terramycin is advisable;

a.6g/kg or 3g/40 kg         b.6g/kg or 3g/45kg          c.7g/kg or 4g/50kg       d.none of them

20.Inflammation of intestine and partly destruction of fins is symptom of;

a.dropsy              b.fin rot        c.  IPN               d.  vibriosis

21.Sulfisoxazole @200mg/kg fish is treatment of;

a.lymphocystis      b.dropsy         c.vibriosis      d.IHN

22.For treatment of dropsy,————-antibiotic 50-70mg/kg is injected or added in food of fish;

a.tetramycin          b.chloramphenicol         c.amoxicillin       d.doxycycline

23.—————–is a fungal disease common in carps,catfishes and murrels;

a.branchiomycosis         b.frunculosis       c.sparolegniosis       d.icthyophonus

24.Branchiomyces sangguinis and B.demigrans cause————–fungal disease;

a.gill rot          b.branchiomycosis         c.icthyophonus        d.both a and b

25.Which fungal disease has not any cure;

a.icthyophonus        b.sparolegniosis       c.branchyomycosis      d.all are curable

26.1g Fish/10l  is dipped in potassium permanganate for 10-30min.for treatment of;

a.IPN         b.branchiomycosis        c.icthyophonus       d.sparolegniosis

27.Yellowish brown fungus————–attack on fish internal organs and cause slow death;

a.B.demigrans           b.S.diclina          c.S.sparasticia        d.Icthyophonus hoferi

28.Sparolegniosis is caused by;

a.S.diclina        b.S.parasticia       c.S.ferax        d.all of them

29.No external symptoms ,only tumbling movement is shown in which disease ;

a.icthyophonus     b.sparolegniosis       c.dropsy        d.none is correct

30.White threads or cotton like growth on skin,fins,eyes, gills or mouth is symptom of;

a.frunculosis     b.dropsy    c.IHN         d.sparolegniosis

31.Trypanosoma spp.and Cryptobia through leeches cause————–protozoan disease in fish;

a.icthyobadiasis       b.trypanosomiais      c.velvet     d.hexamitiasis

32.Light blue or grey coating on skin is symptom of ———caused by icthyoboda necator;

a.icthyobadiasis           b.icthyobidia          c.icthyo necatoria        d.  icthyocytosis

33.Fish exhibits whirling motion and greatly emaciated in;

a.icthyobadiasis        b.hexamitiasis      c.velvet       d. sparolegniosis

34.Velvet is caused by————-dinoflagellate;

a.Oodinium limneticum        b.Dinophyceae           c.Gonyaulacales        d.Dinophysiales

35.Acriflavine (1g/l) on teaspoon 4.5L is treatment of;

a.hexamitiasis       b.velvet       c. icthyobadiasis      d.trypanosomiasis

36.15-50 ppm of formalin is given for treatment of;

a.icthyobadiasis        b.dropsy       c. velvet      d.hexamitiasis

37.For hexamitiasis treatment,oral administration of———–% calomel(mercurus chloride) is advisable;

a.0.5        b.0.9          c.0.3          d.0.2

38.Body covered by yellow patches,scrap wildly,rapid breathing all these are symptoms of;

a.IHN            b.IPN         c.furunculosis         d.velvet

39.Hypersecretion of mucus and rapid breathing symptoms are due to ————–trematode parasites;

a.Gyradoactylosis       b.Clinostomiasis      c.Dactylogyrosis          d.all of them

40.Cestode parasite,Ligula intestinalis cause;

a.infection in intestine          b.infection in lungs         c.infection in belly    d.infection in blood vessels

41.di-n-butytin oxide @ 250mg/kg diet of  brood stock is treatment of infec. Caused by;

a.Cmallanus        b.L.intestinalis        c.Dactylogyrosis       d.Philometra

42.Nematode parasites like Camallanus and Philometra  effect on———-and——–in both adults and larvae;

a.intestine and gut        b.liver and kidney      c.intestine and reproductive organs     d.internal organs and operculum

43.Acanthocephalan parasites,having retractile proboscis,armed with hooks cause;

a.intestinal blockage     b.swelling of belly      c.stop feeding      d.all of them

44.Annelid parasites like Pisicola,Helmiclapsis,Cystobranchus cause;

a.lesions on body at  point of attachment            b.kidney failure       

c.sting blotches                                            d.inflammation in intestine

45.Muscle and liver lesion in fish is due to deficiency of;

a.vit.D          b.vit.A          c.pantothenic acid       d.vit.E

46.Blue slim disease of trout is due to deficiency of;

a.biotin          b.carboxylic acid        d.iodine     c.vitamins

47.Dietary gill disease is due to deficiency of——–

a.vit.D       b.vit.A         c.vit.E        d.pantothenic acid

48.Pop-eye,small bubbles beneath skin,in stomach and intestine ,bleeding all these symptomsare due to;

a.Gas bubble disease        b.hypoxia      c.anoxia     d.both a and b

49.Gases above than ———% are problematic;

a.100         b.110      c.75     d.99.5

50.Dissolve oxygen less than ——–ppm is fatal to fishes due to asphyxiation,term called anoxia.

a.5ppm         b.3ppm      c.  7ppm            d.9ppm