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SWAMI RAMANAND TEERTH MARATHWADA UNIVERSITY NANDED, Choice Based Credit System (CBCS) Course Structure (New Scheme), B. Sc. Second Year (III - SEMESTER), Effective from June 2020, FISHERY SCIENCE, CCFS III (Section-A): Paper-VI: Fish Diseases Management., , Time – 01 Hour., , Maximum Marks: 40., , N. B., i., ii., iii., iv., v., vi., , Attempt all questions. All questions carry equal marks., One mark to each currently answered Multiple Choice Questions (MCQ)., Negative markings system is not applicable., Darken only one circle for the answer of an MCQ., Circle once darkened is final. No change is permitted., Select the correct answer for each of the following MCQ, , ============================================================, 1., , 2., , 3., , 4., , 5., , 6., , External or internal bleeding caused by rupture of blood vessel is known as ……, a) Haemolysis, b) Hyperplasis, c) Histolysis, d) Haemorrhage, Which of the following is a ‘Bacterial Disease’?, a) Velvet Disease, b) Fin Rot, c) Costiasis, d) Ich disease, -------- is metazoan parasites causing disease in fishes?, a) Ichthyophthirius multifilis, b) Dactylogyrus, c) Costiasis sp, d) None of the above, Infectious pancreatic necrosis (IPN) virus affect mainly-------a) Carps, b) Channel cat fish, c) Salmonids, d) Prawn, --------are the preparations of antigens derived from pathogenic organisms rendered nonpathogenic by various means., a) Antibodies, b) Vaccines, c) Probiotics, d) None of the above, The parasites which attack on external body parts kike fins, scales, tail, skin and gills in, fishes are called as -------a) Ectoparasite, b) Endoparasite, Page | 1

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7., , 8., , 9., , 10., , 11., , 12., , 13., , 14., , 15., , 16., , c) Both a and b, d) None, -------- disease is caused by bacteria named pseudomonas species., a) Dropsy, b) Tail rot, c) EUS, d) White spot (Ich), Costiasis is caused by -------a) Bacteria, b) Fungi, c) Protozoans, d) Nematodes, The flukes complete their life cycle within a single host i.e. fish and then transferred, directly from one to another fish is called as ….., a) Monogenetic flukes, b) Digenetic flukes, c) Dactylogyrus, d) Gyrodactylus, ----------is called as the fish louse., a) Dactylogyrus sp, b) Argulus, c) Gill fluke, d) Lernia sp., --------- are commonly known as round worms, a) Nematoda, b) tapeworms, c) Cestoda, d) All, -------- are usually long, flat and ribbon-like, occurring in the intestine and caeca of, vertebrates., a) Nematoda, b) Tapeworms, c) Round worms, d) All, Absence of a particular vitamin leads to serious metabolic disorders referred to as-------that is frequently fatal., a) Lipidosis, b) Avitaminosis, c) Hypervitaminosis, d) Hyponatremia, Fish diseases commonly outbreaks when fish are stressed due to a variety of, a) Physical and chemical factors only, b) Biological factors, c) Poor nutrition, d) All of the above, The study of the causes of a fish disease is called as, a) Etiology, b) Biology, c) Biotechnology, d) Ecology, An animal or plant which harbours or nourishes another organism is called as-------a) Pathogen, b) Host, c) Antibody, Page | 2

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17., , 18., , 19., , 20., , 21., , 22., , 23., , 24., , 25., , 26., , d) Environment, Nutritional diseases are those diseases which the results in fishes due to --------in fishes, than the normal requirements., a) Excess nutrient, b) Nutritional deficiency, c) Both a and b, d) None of the above, Rarely in fish culture, accumulated water soluble vitamins can produce a toxic condition, which is known as ………, a) Lipidosis, b) Avitaminosis, c) Hypervitaminosis, d) Hyponatremia, -------- parasite attaches itself below the eyes, skin, fins and mouth of the fishes by its, hooks and two suckers., a) Lernia sp, b) Costia, c) Argulus, d) None of the above, Accumulation of yellow coloured fluid inside the body cavity of fishes occurs in -------disease, a) White spot, b) Dropsy, c) Tail rot, d) EUS, The parasites which enters in to the body of fishes and attack on internal organs like, stomach, intestine, liver etc. are called as -------a) Ectoparasite, b) Endoparasite, c) Both a and b, d) All of the above, Prevention of fish diseases include: -------a) Restriction or controlled movement of animal on farm/site, b) Destruction of clinically sick animals, c) Sanitary measures, d) All of the above, --------is an alternative prophylactic method to control disease impacts., a) Use of Antibiotics, b) Vaccination, c) Both a and b, d) None of the above, Probiotics are a bacterial culture of bacterial strains which are -------- to fish, a) Non-pathogenic, b) Beneficial, c) Harmful, d) Both a and b, Science, prevention of diseases is better than cure, so we have to care of -------a) Maintain optimum water quality, b) Proper stocking density, c) Provision of balanced feed, d) All of the above, Abiotic diseases do not involve or derive from-------a) living organisms, b) Pathogens, Page | 3

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27., , 28., , 29., , 30., , 31., , 32., , 33., , 34., , 35., , 36., , c) Parasites, d) All, Abiotic fish diseases are due to the -------a) unfavourable water temperature, b) Problems in oxygen supply, c) Gas-bubble disease (GBD), d) All, Diseased fish should be treated with suitable groups of treatment such as -------a) Bath treatments, b) Oral treatments, c) Injection, d) All, --------should only be used to treat bacterial infections and they are not mostly effective, against other pathogens., a) Antibiotics, b) Formalin, c) BKC, d) Salt, Disease development process involves, a) Host-pathogen-environment interactions, b) Host-pathogen interactions, c) Host-environment interactions, d) None of these, --------is a non-specific response and it involves series of changes in the animal in trying, to adapt to the changed situation., a) Stress, b) Environment, c) Morbidity, d) None of these, ………… are stress hormones, increased by hypothalamus-pituitary-interrenal axis., a) Corticosteroids, b) GTH, c) RH, d) LH, …….disease are large scale out breaks of infectious animal disease occurring within, limited geographical areas., a) Epizootic, b) Panzootic, c) Nutritional, d) None of these, ……….. is defined as any abnormality in structure or function, displayed by living, organisms through a specific or non-specific sign (symptom)., a) Disease, b) Healthy condition, c) Normal condition, d) All, Prevention of disease is known as -------a) Diagnosis of diseases, b) Prophylaxis, c) Causative agent, d) All, --------are Non-Infectious diseases of fishes, a) Fungal diseases, b) Environmental & Nutritional diseases, Page | 4

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37., , 38., , 39., , 40., , 1., , 2., , 3., , 4., , 5., , c) Genetic diseases, d) Both b and c, The disease causing organism, Argulus is --------parasite., a) Protozoan, b) Nematode, c) Crustacean, d) Bacteria, Disease caused by fungus is-------a) Ich, b) Costiasis, c) Dermatomycosis, d) Gill rot, Gill rot disease is caused by-------- parasites., a) Nematode, b) Cestode, c) Bacterium, d) Crustacean, The process of identifying the nature of ailment in an organism is medically termed -------diagnosis., a) Diagnosis, b) Assessment, c) Prophylaxis, d) None of these, , Protozoan animal groups are -------a) Unicellular, b) Multicellular, c) Multi-organism, d) Highly developed, Basically there are -------- types of inflammatory responses in fishes., a) Acute Inflammation, b) Chronic Inflammation, c) Both a and B, d) None of the above, -------- are protozoan parasites causing disease in fishes?, a) Ichthyophthirius multifilis, b) Dactylogyrus, c) Gyrodactylus, d) All, -------- is metazoan parasites causing disease in fishes?, a) Ichthyophthirius multifilis, b) Dactylogyrus, c) Gyrodactylus, d) Both b and C, EUS was first time reported in -------a) Japan, b) Australia, c) Malaysia, d) India, Page | 5

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6., , 7., , 8., , 9., , 10., , 11., , 12., , 13., , 14., , 15., , Probiotics are -------a) Harmful organisms, b) Pathogens, c) Beneficial micro-organisms, d) None of the these, -------- are the internal parasites of fresh water fishes., a) Trematode, b) Cestode, c) Nematodes, d) All, -------- is used to control EUS., a) OTC, b) CIFAX, c) a and b, d) None, Signs of dropsy disease is -------a) Accumulation of fluid inside the body, b) Scale protrusion, c) Exophthalmic condition, d) All of the above, External fluke, -------- is a common parasite of the carps and trout and may be found on the, skin, gills and fins., a) Gyroaactylus sp, b) Dactylogyrus sp., c) Gill fluke, d) None of the above, -------- Crustacean copepod commonly called as anchor worm., a) Argulus, b) Lernaea sp, c) Leech, d) All, The tapeworms, or Cestoda, are a group of wholly parasitic animals belonging to the phylum, of flatworms., a) Tapeworms or Cestoda, b) Nematoda, c) Round worms, d) None of the above, The most diagnostic feature of -------- is their alimentary canal, adapted for their large and, frequent blood meals, a) Nematoda, b) Leeches, c) Lernia sp., d) Cestoda, Deficiency of -------- is the preliminary cause of fish scurvy disease in fishes., a) Ascorbic acid, b) Lipid, c) Mineral, d) carbohydrate, Hyponatremia is a disease of marine fish which is related to -------- deficiency, a) Vitamins, b) Salt, c) Lipids, d) Protein, Page | 6

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16., , 17., , 18., , 19., , 20., , 21., , 22., , 23., , 24., , 25., , Outbreak of disease attacking many animals in a population at the same time and rapidly, spreading is called as -------a) Epizootic, b) Enzootic, c) Pandemic, d) All, Disease causing organism is called as -------a) Pathogen, b) Host, c) Antibody, d) Environment, -------- are some of the important nutrient for proper fish growth., a) Proteins and carbohydrate, b) Lipids and Vitamins, c) Mineral and Salt, d) All of the above, The female Lernia parasite attached to gills or any other part of the body of by means of ------a) Hook like appendages, b) Cilia, c) sucker, d) All, -------- is a gill fluke., a) Gyroaactylus sp, b) Dactylogyrus sp., c) Gill fluke, d) None of the above, -------- are the ectoparasite which attacks externally in fresh water fishes., a) Argulus, b) Gyrodactylus, c) Leech, d) All of the above, Treatment of disease or pathogen eradication, mostly rely on use of --------., a) Chemotherapeutants, b) Drugs and chemicals, c) Biological agents, d) All of the above, Antibacterial substances are mostly utilized in aquaculture to prevent -------- diseases, a) Bacterial, b) Fungal, c) Environmental, d) Nutritional, Although antibiotics are used as prophylactics and growth promoters in fish culture, it is, not considered to be a good management practice because -------a) presence of high residue levels of approved antibiotics, b) development of resistance to antibiotics in microbial pathogens, c) release of large quantities of antibiotics into environment leads to human health, risks, d) All of the above, -------- are the important indicators / signs of disease or infection in a fish pond, a) Slow movement, Loss of appetite, and Poor growth of fish, b) Air gulping and surfacing and abnormal postures, c) Flashing movement of fish and rubbing against hard objects, Page | 7

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26., , 27., , 28., , 29., , 30., , 31., , 32., , 33., , 34., , 35., , 36., , d) All of the above, Abiotic diseases are related to factors such as -------a) water quality, b) presence of poisonous materials, c) incorrect feeding, d) All of the above, Biotic fish diseases of fishes derive from -------a) Living organisms, b) Pathogens, c) Parasites, d) None of the above, Health of fish can be assessed by observing -------a) Body condition or bogy surface, b) Loss of scales, c) Wounds, ulcers and parasites, d) All of the above, -------- mostly used to prevent and treat fish diseases., a) Chemicals, b) Drugs, c) Antibiotics, d) All of the above, Condition of low oxygen levels is called as -------a) Hypoxia, b) Hypothermia, c) Hypothermia, d) None of these, To gain insight into the process of disease development, it is very essential to understand the, role of -------a) Pathogenicity mechanisms of pathogens, b) The functional importance of the target tissue, c) Interaction between pathogen and host at the target tissue level, d) All of these, Fishes are -------- blooded., a) Cold, b) Warm, c) Frozen, d) None of these, The ability of pathogens to cause disease called as -------a) Stress, b) Virulence, c) Hypoxia, d) None of these, -------- disease are large scale out breaks of infectious animal disease across large geographical, areas., a) Epizootic, b) Panzootic, c) Nutritional, d) None of these, The study of Fish disease is called -------a) Fish pathology, b) Etiology, c) Biology, d) Both a and b, -------- are Infectious diseases of fishes., Page | 8

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37., , 38., , 39., , 40., , a) Parasitic diseases, b) Bacterial diseases, c) Viral diseases, d) All of the above, In development of disease, disease-causing organisms/agent is called as -------a) Pathogens, b) Environment, c) Host, d) All, The causative organism of white spot disease is -------a) Ichthyoptheris multifills, b) Myxosoma, c) Trichodina, d) Gyroductylus, Fluke disease is caused by -------a) Protozoans, b) Trematodes, c) Cestodes, d) All, -------- disease is characterized by formation of fine hair like tuffs hanging from infected, area., a) Ich, b) Gill rot, c) Dropsy, d) Fungal, , Page | 9

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1., , 2., , 3., , 4., , 5., , 6., , 7., , 8., , 9., , 10., , 11., , Fishes are --------- blooded., a. Cold, b. Warm, c. Frozen, d. None of these, The ability of pathogens to cause disease called as--------a. Stress, b. Virulence, c. Hypoxia, d. None of these, --------- disease are large scale out breaks of infectious animal disease across large, geographical areas., a. Epizootic, b. Panzootic, c. Nutritional, d. None of these, The study of Fish disease is called --------a. Fish pathology, b. Etiology, c. Biology, d. Both a and b, Infectious types of disease caused by --------a) Bacteria, b) Protozoans, c) Viruses, d) All of the above, Acidosis is caused by--------a) Low pH level, b) high pH level, c) Neutral, d) None of the above, In the process of disease development, it is very essential to understand the role of--------a) Various pathogens, its pathogenicity and their the adaptive modifications, b) functional importance of the target tissue,, c) interaction between pathogen and host at the target tissue, d) All of the above, What is the main components are needed for disease to develop?, a) hosts,(cultured fish species), b) Causative agent, c) Proper environment, d) All of the above, --------- is the type of chemical stressors., a) Poor water quality and pollution, b) Metabolic wastes, c) Improper nutrition, d) All of the above, The white spot disease is caused by protozoan known as --------a) Cotia necatirix, b) Myxobolus sp, c) Icthyophthirius multiphilis, d) Chilodonella sp., Argulus disease is caused by --------- parasite., Page | 10

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12., , 13., , 14., , 15., , 16., , 17., , 18., , 19., , 20., , 21., , a) Nematode, b) Trematode, c) Crustacean, d) Protozoan, In Branchiomycosis disease --------- region is affected., a) Mouth, b) Gills, c) Eyes, d) Fins, Cotiasis disease is caused by --------- protozoan., a) Cotia necatirix, b) Diplozone, c) Cotia chilodon, d) All of the above, --------- is the most common of the inert gases in fresh and salt water and commonly, associated with gas bubble disease., a) Nitrogen, b) oxygen, c) Carbon dioxide, d) None of the these, Too high pH is referred as --------a) Acidic pH, b) Alkaline pH, c) Neutral pH, d) All, --------- is the causes of low pH water., a) Ground water with dissolved carbonates, carbon dioxide and silicate, b) Soil type-Acid sulphate soils, c) Acid rain or water source and metabolic activities in closed systems., d) All of the above, Skeletal deformities and poor wound healing in fishes is due the deficiency of --------a) Ascorbic acid, b) Thiamine, c) Riboflavin, d) Folic acid, Infectious dropsy is mainly caused due to the bacterium --------a) Pseudomonas punctate, b) Chilodonella, c) Icthyophthirius multiphilis, d) Myxobolus sp., The flukes complete their life cycle within a single host is called as --------a) Monogenetic flukes, b) Digenetic flukes, c) Both a and b, d) None of the these, When there is more gas than the water can hold, then it is a --------- water., a) Saturated, b) Supersaturated, c) Under saturated, d) None of the these, The study of the causes of a fish disease is called as --------a) Etiology, b) Biology, c) Biotechnology, Page | 11

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22., , 23., , 24., , 25., , 26., , 27., , 28., , 29., , 30., , 31., , 32., , d) Ecology, An animal or plant which harbours or nourishes another organism is called as --------a) Pathogen, b) Host, c) Antibody, d) Environment, Nutritional diseases are those diseases which the results in fishes due to --------- in fishes, than the normal requirements., a) Excess nutrient, b) Nutritional deficiency, c) Both a and b, d) None of the above, Diseases of fish are categorized as: --------a) Parasitic disease, b) Bacterial, viral and fungal diseases, c) Nutritional deficiencies syndrome, d) All of the above, Infectious types of disease caused by --------a) Bacteria, b) Protozoans, c) Viruses, d) All of the above, Acidosis is caused by --------a) Low pH level, b) high pH level, c) Neutral, d) None of the above, In the process of disease development, it is very essential to understand the role of --------a) Various pathogens, its pathogenicity and their the adaptive modifications, b) functional importance of the target tissue,, c) interaction between pathogen and host at the target tissue, d) All of the above, What is the main components are needed for disease to develop?, a) hosts,(cultured fish species), b) Causative agent, c) Proper environment, d) All of the above, --------- is the type of chemical stressors., a) Poor water quality and pollution, b) Metabolic wastes, c) Improper nutrition, d) All of the above, The white spot disease is caused by protozoan known as --------a) Cotia necatirix, b) Myxobolus sp, c) Icthyophthirius multiphilis, d) Chilodonella sp., Argulus disease is caused by --------- parasite., a) Nematode, b) Trematode, c) Crustacean, d) Protozoan, In Branchiomycosis disease --------- region is affected., a) Mouth, Page | 12

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33., , 34., , 35., , 36., , 37., , 38., , 39., , 40., , b) Gills, c) Eyes, d) Fins, Cotiasis disease is caused by --------- protozoan., a) Cotia necatirix, b) Diplozone, c) Cotia chilodon, d) All, --------- is the most common of the inert gases in fresh and salt water and commonly, associated with gas bubble disease., a) Nitrogen, b) oxygen, c) Carbon dioxide, d) None of the these, Too high pH is referred as --------a) Acidic pH, b) Alkaline pH, c) Neutral pH, d) All of the above, ---------is the causes of low pH water., a) Ground water with dissolved carbonates, carbon dioxide and silicate, b) Soil type-Acid sulphate soils, c) Acid rain or water source and metabolic activities in closed systems., d) All of the above, Skeletal deformities and poor wound healing in fishes is due the deficiency of --------a) Ascorbic acid, b) Thiamine, c) Riboflavin, d) Folic acid, Infectious dropsy is mainly caused due to the bacterium--------a) Pseudomonas punctate, b) Chilodonella, c) Icthyophthirius multiphilis, d) Myxobolus sp., The flukes complete their life cycle within a single host is called as --------a) Monogenetic flukes, b) Digenetic flukes, c) Both a and b, d) None of the these, When there is more gas than the water can hold, then it is a --------- water., a) Saturated, b) Supersaturated, c) Under saturated, d) None of the these, , Page | 13

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