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TNVAS – Mock Test – 14 – Answer Key

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1. The breeding method used for improving non-descript animals is

Answer: Grading up

2. A teaser bull is maintained to

Answer: detect heat in cows

3. The blood vessels that carry deoxygenated blood from the heart to the lungs are

Answer: Pulmonary arteries

4. Which of the following is a macro mineral?

Answer: Sodium

5. The wavelike motions that propel food through the esophagus are called

Answer: Peristalsis

6. Epithelial pearls, also known as keratin pearls, are primarily found histologically in

Answer: Squamous Cell Carcinoma (SCC)

7. Wedge-shaped hemorrhagic infarct of spleen is a lesion in

Answer: Classical Swine Fever (CSF)

8. The lens derives its nutrition primarily from

Answer: Aqueous Humor

9. A hernia of the urinary bladder is called

Answer: Cystocele

10. A normal Norberg angle in canine hips, as measured on radiographs, is typically

Answer: 105 degrees or greater

11. Genus, in which Newcastle disease virus is included

Answer: Orthoavulavirus

12. The thymus-dependent zone in a lymph node is

Answer: Paracortex

13. Feline panleukopenia is caused by

Answer: Parvovirus

14. The feminizing tumor in dogs is

Answer: Sertoli cell tumour

15. Ovine progressive pneumonia (OPP), also known as Maedi-visna, is caused by

Answer: Lentivirus (Retrovirus)

16. Which of the following is part of the appendicular skeleton?

Answer: Femur

17. The tissue that lines internal organ structures and serves as a protective layer is called

Answer: Epithelial

18. _________can build up in the cat’s stomach due to excessive grooming

Answer: Hairballs

19. The deposition of fat between muscle fibers is known as

Answer: Marbling

20. Adulteration of Ghee with Vanaspati can be detected by

Answer: Baudouin test

21. A parasite that lives on hair is called

Answer: Lice

22. The term for toward the nose is

Answer: Rostral

23. The best example of a morphological trait from the following is

Answer: Plumage in birds

24. The exotic swine breed mostly used for the improvement of desi pig breeds in India is

Answer: Large White Yorkshire

25. Interaction of genes that are not alleles is known as

Answer: Epistasis

26. A calf affected with Klinefelter syndrome possesses the ____ gene pair.

Answer: XXY

27. The following instrument is used during rumenotomy operation

Answer: Weingarth set

28. Expert witness can be given by

Answer: Veterinary Doctor

29. The increase in the size of cells leading to an increase in the size of an organ is known as          Answer: Hypertrophy

30. Which one of the following cell is an antigen‐presenting cell

Answer: Dendritic cell

31. Grouping female mice together without the presence of males can lead to the condition where estrous cycles become longer and longer and eventually stop is called

Answer: Lee-Boot effect

32. The small, muscular structure hanging from the base of a turkey’s beak is called as

Answer: Snood

33. The part of the tooth that appears outside the gum is called

Answer: Crown

34. The zoological name for Japanese quail is

Answer: Coturnix coturnix japonica

35. Which class of poultry has characteristics of feathered shanks?

Answer: Asiatic class

36. Which among the following is/are live vaccine

Oral rabies vaccines ,  Brucella S19,  Lumpy skin disease vaccine

Answer: All the above

37. The parasite that most commonly affects the pulmonary artery is

Answer: Dirofilaria immitis

38. The characteristic lesion in the brain of a cow affected by mad cow disease (BSE) is

Answer: Neuronal vacuolation

39. Bioterrorism is associated with

Answer: Anthrax

40. The surgical removal of stones from the urinary bladder is called

Answer: Cystotomy

41. Microglia cells are present in

Answer: Brain

42. Raw egg feeding in dog may produce deficiency of

Answer: Biotin

43. The most common infectious disease affecting snakes is

Answer: Salmonellosis

44. Nervous sign in ketosis is due to

Answer: Hypoglycemia

45. Laryngeal nerve paralysis, also known as laryngeal hemiplegia or “roaring”, can be observed in horses due to

Answer: Lead poisoning

46. Wing louse of poultry

Answer: Lipeurus caponis

47. Aggressive feather pecking and cannibalism in poultry is often triggered when the diet is          

Answer: Fibre free

48. ‘Marked cerebellar hypoplasia’ is associated with the viral agent?

Answer: BVD Virus

49. A “raspberry jam” appearance of a cow’s spleen is a post-mortem finding, often associated with

(a) Anaplasmosis ,   (b) Babesiosis

Answer: Both (a) and (b)

50. PMSG (Pregnant Mare Serum Gonadotropin), also known as eCG (equine chorionic gonadotropin), is secreted by

Answer: Endometrial cups

51. Lung worm in poultry (also known as the gapeworm)

Answer: Syngamus trachea

52. The scientific name of common housefly is

Answer: Musca domestica

53. The barber pole worm is another name for

Answer: Haemonchus contortus

54. “Lok jam theory” is applicable in which of the following

Answer: Trichomoniasis

55. Serum lacks one of the following proteins

Answer: Fibrinogen

56. Mammary glands are modified form of

Answer: Sweat glands

57. Bestiality is also known as

Answer: Zoophilia

58. Tension band wiring is can be used for the fixation of

Olecranon Fractures

Transverse Patella Fractures

Fractures of the greater trochanter of the femur.

Answer: All the above

59. What is the infective stage of Moniezia expansa?

Answer: Cysticercoids

60. Aldosterone is secreted from

Answer: Adrenal gland

61. Malpighian corpuscles are seen in

(a) Spleen

(b) Kidney

Answer: Both (a) and (b)

62. According to the Cattle and Buffalo Breeding policy of the Tamilnadu, which one of the statements is incorrect

Answer: The Semen of the Native breeds’ kangeyam and Umbalacheri are to be upgraded with Red Sindhi bulls’ semen.

63. An autonomous body currently facilitating the production of quality bovine semen and ensuring the availability of quality artificial insemination inputs at the Government AI centers in Tamilnadu state

Answer: Tamilnadu Livestock Development Corporation (TNLDC)

64. A Gammacoronavirus in the family Coronaviridae causes one of the following diseases in poultry?

Answer: Infectious Bronchitis

65. In cattle with subclinical or chronic rumen acidosis, the rumen pH typically ranges from

Answer: 5.0 to 5.6

66. There are cases of Neurocysticercosis in humans as a result of consumption of meat infested by larvae of meat borne parasites when not cooked properly, can you identify the parasites?

Answer: Taenia solium and Echinococcus species

67. The record of an individual’s ancestors traced through their parents is called

Answer: Pedigree

68. Heparin is a

Answer: Heteropolysaccharide

69. Which one of the following is not a ketone body?

Answer: Oxaloacetate

70. The only organ that can dispose significant quantities of cholesterol primarily in the form of bile salts is

Answer: Liver

71. A compound foreign to body is

Answer: Xenobiotics

72. The functional kidney in mammals is

Answer: Metanephros

73. Which one of the following is a pouched amphistome

Answer: Gastrothylax crumenifer

74. Inanimate objects that can carry and transmit pathogens are known as

Answer: Fomites

75. Dohle bodies are found in the cytoplasm of

Answer: Neutrophils

76. Apoptotic bodies specifically found in the hepatocytes (liver cells) during viral hepatitis are

Answer: Councilman bodies

77. The crucial temporary blood vessel in the fetal circulatory system that allows oxygenated blood from the umbilical vein to bypass the liver and flow directly to the inferior vena cava and then to the heart is

Answer: Ductus venosus

78. Levinthal-Cole-Lillie bodies (LCL bodies) are characteristic inclusions associated with

Answer: Chlamydiosis

79. “Dancing cat fever”, also known as “Minamata disease”, is associated with toxicity of

Answer: mercury

80. A vector, in which the infectious agent undergoes either a necessary part of its life cycle or multiplication before transmission, is

Answer: Biological vector

81. The headquarters of the World Organisation for Animal Health (WOAH), formerly known as the Office International des Epizooties (OIE), is located in

Answer: Paris, France

82. The corpus callosum in the brain is a classic example of

Answer: commissural fibers

83. The instrument used to determine the gross energy value of feeds is

Answer: bomb calorimeter

84. The thin inner layer of heart muscle is called

Answer: Endocardium

85. Which of the following insects causes heartworm disease?

Answer: mosquitoes

86. The primary organ responsible for absorbing nutrients from digested food.

Answer: Small Intestine

87. The depletion of _____________ in postmortem muscles leads to the onset of rigor mortis

Answer: ATP

88. The most common absorbable suture material used in surgery is

Answer: Catgut

89. Which of the following is a highly infectious pestivirus infection of pigs characterized by sudden onset of per acute deaths, purplish discoloration of skin, ocular discharge, nervous signs, death and reproductive failure in pregnant sows

Answer: Hog cholera

90. Which of the following is not a metabolic disease of ruminants?

Answer: Goitre

91. The disease where hematology and blood chemistry examinations are not usually conducted

Answer: Bovine Spongiform Encephalopathy

92. Which of the following is not a platform test for milk?

Answer: Methylene blue dye reduction test

93. The expulsive abdominal contractions observed when the fetus engages the birth canal are part of the

Answer: Ferguson reflex

94. The endometrium of which species has no caruncles

Answer: Equine and porcine

95. The Maltese cross is a characteristic feature of the parasitic disease

Answer: Babesiosis

96. A reddish, pomegranate seed-like appearance in ruminant feces is indicative of

Answer: Paramphistomosis

97. A plant poisoning which causes thiamine deficiency is

Answer: bracken fern poisoning

98. The compartment of ruminant stomach which trap foreign objects like nails is

Answer: Reticulum

99. Which of the following is not involved in milk ejection?

Answer: anterior pituitary

100. The ideal buck to doe ratio for natural breeding is

Answer: 1:20

101. On theoretical consideration the crossing of Indian cow with exotic bull is

Answer: cross breeding

102. Caponization in chicken is a process of

Answer: SurgicaI removal of testis

103. The scientific name of the turkey is

Answer: Meleagris gallopavo

104. The act of natural shedding feathers in birds is known as

Answer: Moulting

105. Coccidiosis is a disease condition in poultry caused by

Answer: Protozoa

106. Segregation of apparently healthy animals purchased from outside and kept for observation before introducing into a herd is termed as

Answer: Quarantine

107. The upper cheek teeth embedded in the largest facial bone

Answer: Maxillae

108. The prominent, denticulated margin surrounding the anterior surface of the stallion’s penis

Answer: corona glandis

109. In cows, which of the following is/are related to cystic ovarian degeneration?

Adrenal virilism

Sterility Hump

Endometrial swiss check appearance

Answer: All the above

110. A “true hermaphrodite” has

Answer: Gonads of both sexes

111. The severity/intensity of helminthic infection can be assessed by

Answer: Egg counting technique

112. Berlese solution is used for

Answer: Mounting and clearing insects

113. Which one of the following is/are matched correctly?

Cattle plague — Rinderpest

Goat plague — Peste-des-Petits-Ruminants

Swine plague — Classical Swine Fever (hog cholera)

Answer: All the above

114. The study of disease in a small group of individuals with respect to factor that influence its occurrence in a larger segment of population is

Answer: Micro epidemiology

115. The active disease accounting process is called

Answer: Disease Surveillance

116. The major serum Immunoglobulin is

Answer: IgG

117. Which level of biosafety hoods are used if the agents are least infectious?

Answer: Biosafety level 1

118. Ice-cream without hardening process is called

Answer: Softy

119. The milk most suitable for Khoa preparation is

Answer: Buffalo milk

120. A high speed of freezing meat tends to

Answer: enhance tenderness

121. A musky odor in meat is most commonly associated with

Answer: Mutton

122. Filleting is surgical

Answer: amputation of digit in canine

123. Which hormone is not produced by ovine ovary?

Answer: Prolactin

124. A thick, transparent, mucoid discharge from the vagina of a cow or buffalo is a characteristic sign of

Answer: Heat period

125. Foot and Mouth Disease (FMD) vaccination should be given to animals at the age of

Answer: four months

126. A conjoined twin fetus joined at the sternal region is termed

Answer: Xiphopagus

127. The sperm defect described, where the tail is coiled around the midpiece, is known as

Answer: Dag defect

128. Paraphimosis means

Answer: Inability of the penis to be retracted back to the prepuce after protrusion.

129. Which of the following drug/hormone administration is incorrect in the therapy of uterine infections in cows?

Answer: Intramuscular administration of hCG

130. Retention of Cyst under the tongue in a buffalo is called

Answer: Ranula

131. Treatment of acute Inflammation is

Answer: Applying ice packs or cold compresses to the inflamed area

132. Inflammation of the distal phalanx

Answer: Pedal osteitis

133. The technique where two or more anesthetic agents are combined to achieve anesthesia is called

Answer: Balanced anesthesia

134. An Inguinal Hernia is also known as

Answer: Bubonocele

135. Adhesion of the eyelids is known as

Answer: Ankyloblepharon

136. Which of the following is not an anticoagulant

Answer: Calcium chloride

137. Headquarters of NABARD is located at

Answer: Mumbai

138. Lobar pneumonia with red hepatization and ‘marbled’ appearance of lung is seen in the following disease

Answer: CCBP and CCPP

139. Which of the pox is zoonotic

Answer: Orf

140. Majority of clotting factors are produced in

Answer: Liver

141. The best choice for fluid therapy to treat diarrhea, particularly in cases of dehydration, is

Answer: Ringer’s lactate

142. Which of the following is not considered as food animal in India

Answer: Deer

143. The characteristic “OWL EYE” type of inclusion body is found in infections of

Answer: Herpesviridae

144. The fish meal is commonly used in ration of.

Answer: Poultry

145. Hair ball formation in young calves is due to the vice of

Answer: Licking

146. Which of the following parasite is not transmitted through meat

Answer: Cryptosporidium cervi

147. Disease transmitted from rabbit to man is

Answer: Pseudotuberculosis

148. Which of the following is not a congenital defect

Answer: Testicular degeneration

149. The Cisterna Chyli is a reservoir for

Answer: Lymph

150. Pulpy kidney disease is an important disease of

Answer: Sheep

151. Which virus has lipoprotein in its envelope.

Answer: Herpes virus

152. Cow can be best judged during

Answer: Full lactation

153. High CO2 level in blood indicates

Answer: Respiratory acidosis

154. A technology enabled farmer centric digital ecosystem for the livestock sector undertaken by DAHD and NDDB

Answer: Bharat Pashudhan

155. ELISA test essentially requires the following.

Answer: Antigen, antibody, conjugate, substrate and ELISA plate

156. Penicillin was discovered by

Answer: Alexander Fleming

157. A single cell having two nuclei from different cells is known as

Answer: Heterokaryon

158. Double helical DNA structure was proposed by

Answer: Watson and Crick

159. The drug of choice for schistosomiasis is

Answer: Praziquantal

160. The number of bones in the skeleton of ox is approximately

Answer: 208

161. The sternum is boat-shaped in

Answer: Horse

162. The complete elimination of microorganisms, including both vegetative and spore forms of bacteria, is called

Answer: Sterilization

163. Normal calcium level in bovines’ range between

Answer: 8-12 mg/dl

164. The ‘vent sexing’ method of sexing day-old chicks was first introduced by

Answer: Japan

165. Lactation records in cows are typically expressed on how many days basis

Answer: 305 days

166. The most commonly used breed of cattle for Jallikattu event during the Pongal festival which is also known as “Jallikattu madu” is

Answer: Pulikulam

167. According to the Drugs and Cosmetics Act, 1940, the functions of laboratories for antisera, toxoid, vaccines, and diagnostic antigens for veterinary use should be carried out

Answer: Indian Veterinary Research Institute, Mukteshwar

168. Which of the following is not a sub-mission of National Livestock Mission of India?

Answer: Disease surveillance and diagnostics

169. Largest ear ossicle is

Answer: Malleus

170. The extension of the pia mater beyond the caudal end of the spinal cord is called as

Answer: Filum terminale

171. Kyasanur Forest disease (KFD) is transmitted to humans through the bite of hard ticks belonging to the genus

Answer: Haemaphysalis

172. The autoantibody response to sperm in seminal plasma is primarily of the

Answer: IgG

173. “Operation Flood” programme also known as the “White Revolution” was launched in India in which of the following year?

Answer: 1970

174. At high altitude levels, which of the following animal are known to tolerate hypoxic conditions after the production of nitric oxide (NO).

Answer: Cattle

175. An example of pneumatic bones in mammals is

Answer: Frontal

176. “Swamp fever” in equines is caused by

Answer: Lentivirus

177. “Key Village Scheme (KVS)’ an initiative of the Government of India, is related to the development of

Answer: Cattle and Buffaloes

178. Non Protein Nitrogenous compound (urea) can be utilized as a source of protein by the following

Answer: Buffaloes

179. Generally, the calcium and phosphorus ratio in animal diet shall be

Answer: 2:1

180. Glycogen are present in the following

Answer: Animal

181. A collection of neuron cell bodies outside of the central nervous system (CNS) is called

Answer: Ganglion

182. The study of organs of special senses is

Answer: Aesthesiology

183. Which of the following structural component is found in all animal viruses

Answer: Nucleocapsid

184. Which of the following statement is incorrect

Answer: Prebiotics competitively inhibits the pathogenic organisms

185. The flavors of ghee are primarily contributed by

Answer: Lactones

186. Cruciate ligaments are present in

Stifle joint

187. The unpaired bones of the cranium is

Frontal, Sphenoid and Ethmoid,  Occipital

Answer: All the above

188. Schistosoma indicum is a species of blood fluke that primarily infects livestock and the adult worms typically inhabit the

Answer: Mesenteric veins

189. The term “blind gut” primarily refers to

Answer: Caecum

190. The “Lyssa” is a rod-shaped structure found on the ventral surface of the tongue of

Answer: Dog

191. Ligamentum nuchae is absent in

Answer: Pig

192. Mad Cow Disease is caused by

Answer: Prion

193. Which one of the following is a benign neoplasm

Answer: Fibroma

194. At birth, the largest and the most functional part of the ruminant stomach in calves is

Answer: Abomasum

195. Which of the following is commonly called as animal starch?

Answer: Glycogen

196. In dogs, urethral calculi are most commonly seen in

Answer: Posterior to the os-penis

197. Scythe-shaped spleen is characteristic of

Answer: Horses

198. Which of the following is the fighting bird/Indian game bird?

Answer: Aseel

199. Which is the main source of dry fodder for the dairy animals in Delta districts of Tamilnadu?

Answer: Paddy straw

200. In swine, early embryonic death and abortion in early gestation is a common symptom of?  Answer: SMED

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