Maharashtra LDO Examination – 2017

Results

QUIZ START

#1. Regarding tetanus pathophysiology and treatment, which of the following statements is true?

Administration of tetanus antitoxin is ineffective after 48 hours and toxin travels via peripheral nerves

Administration of tetanus antitoxin remains highly effective at any time and toxin travels solely via blood

Tetanus antitoxin is only effective after 48 hours and toxin cannot reach the brain

Tetanus toxin is transmitted solely through the cerebrospinal fluid and not by peripheral nerves

#2. State which of the following statement is incorrect for Vagus indigestion in cattle?

Inappetence is observed for several days.

Gradual distention on right abdomen with atony of rumen

Scanty faeces and failure to respond to medical therapy

Loss of body condition and varying degrees of dehydration

#3. Identify which of the following symptoms is not of zinc deficiency in farm animals?

Poor growth, low food intake, rough hair coat.

Testicular hypoplasia

Keratinized skin on hind limbs

Congenital limb deformity

#4. Which of the following is NOT a typical clinical sign of vestibular disease in animals?

Circling or staggering gate

Horizontal or vertical nystagmus

Facial nerve paralysis

Complete blindness

#5. Which hematological finding is incorrect regarding the pathogenesis of disseminated intravascular coagulopathy (DIC)?

Depletion of blood platelets and clotting factors V, VIII, and XIII

Elevated plasma fibrinogen levels alongside widespread microthrombi

Decreased tissue perfusion leading to widespread hypoxia

Development of marked bleeding tendencies in affected animals

#6. Which of the following animal diseases is commonly referred to by the synonym ‘Bull nose’?

Infectious bovine rhinotracheitis

Contagious ecthyma

Necrotic rhinitis

Anthrax

#7. Tumor involves gingiva at the dental border or in interdental spaces is:

Odontoma

Epulis

Adomantinoma

Dental carries

#8. What causes hypoventilation and decreased venous return during acute bloat in small ruminants?

Endotoxin accumulation inhibiting vagal heart receptors

Accumulation of rumen gases exerting extreme pressure on the diaphragm and ribs

Severe hypocalcemia reducing diaphragmatic contractility

Rupture of the thoracic lymph duct secondary to elevated intra-abdominal pressure

#9. A state of mild degree central depression in which patient is awake but calm and free from nervousness?

Sedation

Tranquilization

Hypnosis

Narcosis

#10. Which ocular term denotes abnormal bulging of the eyeball due to excessive fluid accumulation in the anterior chamber?

Strabismus

Buphthalmos

Anophthalmos

Exophthalmos

#11. What is the primary etiology responsible for the enlargement seen at the coronary band in ‘buttress foot’?

Purulent bursitis of the navicular bursa

Septic necrosis of the lateral cartilage of the third phalanx

Chronic desmitis of the inferior check ligament

New bone growth from fracture healing or periostitis of the extensor process

#12. The agents that used to reduce salivation and bronchial secretion in dogs is:

Triflupromazine HCL

Alpha 2 adrenoceptor agonists

Anticholinergic

Neuroleptanalgesic

#13. The most common site for obstruction of urinary calculi in cattle is:

Distal to sigmoid flexure

Neck of bladder

Urinary bladder

Urethral process

#14. Frozen semen straws are maintained in liquid nitrogen containers at which temperature?

- 72 degree C

- 196 degree F

- 72 degree F

- 196 degree C

#15. The fremitus can first be felt in cattle from:

30-60 days of pregnancy

80 to 120 days of pregnancy

180 to 190 days of pregnancy

210 to 220 days of pregnancy

#16. Dystokia due to failure of cervix to dilate in ewes is known as:

Digit womb

Ring womb

Tight womb

Narrow womb

#17. Which of the following testicular pathology is not due to congenital or hereditary causes?

Testicular hypoplasia

Testicular degeneration

Cryptorchidism

None of the above

#18. To relieve uterine torsion buffalo is rolled in which direction?

Same direction of torsion

Opposite direction of torsion

Backward direction

Forward direction

#19. Which of the following clinical features is characteristic of pyometra in cattle?

Accumulation of purulent exudate within the uterine lumen

Retention and persistence of the corpus luteum

Thickened uterine walls detectable on rectal palpation

All of the above features are present

#20. Which pathological feature correctly describes luteal cysts in cows?

Thick-walled, partially luteinized anovulatory follicles over 2.5 cm

Thin-walled, fluid-filled structures causing constant nymphomania

Multiple small follicular structures lacking luteal tissue

Structures invariably associated with high blood estrogen levels

#21. Babesiosis produces:

Hemolytic jaundice

Toxic jaundice

Obstructive jaundice

Idiopathic jaundice

#22. Wooden tongue is caused:

Actinobacillosis

Actinomyces

Botryomycosis

Mycoplasma

#23. Venereal transmission leading to abortion occurs in which of the following protozoan infection/infections?

Bovine tritrichomonosis

Ovine toxoplasmosis

Canine neosporosis

All of the above

#24. Why is the eradication and control of a three-host tick more challenging than that of a one-host tick?

Larval and nymphal stages have higher chemical resistance

Both moults in the three-host tick life cycle occur off the host on the ground

One-host ticks have significantly greater biotic potential

Three-host ticks complete all developmental stages on a single mammalian host

#25. Which serological reaction occurs when soluble antigen interacts with specific antiserum in optimal proportions to yield an insoluble cloudy flocculate?

Direct agglutination

Toxin neutralization

Precipitation

Passive hemagglutination

#26. What are the circular, extra-chromosomal bacterial DNA elements that confer antibiotic resistance and can be transferred via conjugation?

R plasmids

Episomes

Bacteriocins

F-plasmids

#27. Which of the following brucella species is the main etiological agent of brucellosis in sheep and goats and is also the main agent responsible for human brucellosis?

Brucella abortus

Brucella ovis

Brucella suis

Brucella melitensis

#28. Which catecholamine is indicated for immediate bronchospasm relief, anaphylactic shock hypotension, and cardiac arrest resuscitation?

Dopamine

Noradrenaline

Adrenaline

Isoproterenol

#29. What is the pharmacological mechanism of action of Yohimbine?

Alpha-1 adrenergic receptor agonist

Alpha-2 adrenergic receptor antagonist

Beta-2 adrenergic receptor agonist

Beta-1 adrenergic receptor antagonist

#30. Which of the following sulfonamides is primarily administered systemically rather than being formulated for topical use?

Silver sulfadiazine

Mafenide acetate

Sulfadoxine

Sulfacetamide sodium

#31. Why do antimicrobials exhibit significantly prolonged elimination half-lives in poikilothermic animals like fish and reptiles?

Due to their substantially lower metabolic turnover rate

Due to accelerated hepatic microsomal enzyme clearance

Because poikilotherms lack functional renal glomeruli

Because plasma protein binding is virtually absent

#32. Cyanide poisoning is often observed in livestock. What is not true about it?

It occurs in acute and peracute form.

The most frequent cause of poisoning is ingestion of plants containing cyanogenetic glycosides

The treatment comprises sodium nitrite in distilled water iv 20 mg/kg followed by sodium thiosulphate 20% iv at 500 mg/kg.

It affects oxygen carrying capacity of blood and blood is cherry red coloured

#33. Among the following is the anti-oxidant permitted in India to add in the milk products in India.

Nor dihydro guaia acetic acid

Butylated hydroxy anisole

Ethyl gallate

Hydroquinone

#34. Which method is specifically used in the commercial manufacture of homogenized milk?

Heating milk above 100°C under pressurized steam

Mechanical subdivision and disruption of fat globules under pressure

Employing starter bacterial cultures to lower milk pH

Spray dispersion of dried whole milk powder into water

#35. Which operational and compositional requirement is essential in commercial butter manufacturing?

Promoting extensive lipolysis to ensure strong flavour

Maintaining a very low curd pH below 4.0

Controlling temperature and fat composition to govern spreadability and firmness

Ensuring the yield is completely independent of buttermilk water content

#36. Donora (Pennsylvania) is associated with:

More than 40% population is ill because of intense fog

Blanket of thick fog for about 5 days

Oxides of Sulphur and soot

Repeated bout of air pollution disaster causing smog disasters

#37. A collection of living organism in biotope is called as:

Biotic community

Biocenosis

Larger biolenosis

All of above

#38. The concentration of CO2 gas and period of exposure used for making pigs unconscious prior to slaughter:

70% CO2 and 60 seconds

65% CO2 and 40 seconds

80% CO2 and 45 seconds

70% CO2 and 45 seconds

#39. Which liquid milk testing method is used specifically to measure milk fat percentage?

Alcohol-alizarin test

Gerber test

Rosalic acid test

Sediment test

#40. Which microorganism is the primary causative agent of the meat defect known as ‘Bone taint’?

Sporotrichum carnis

Clostridium putrefaciens

Thamnidium elegans

Cladosporium herbarum

#41. Os penis present in:

Boar

Dog

Horse

#42. In pigs, ligamentum nuchae is represented by:

By a small fibrous band which extends from axis to thoracic spine

By fibrous tissue by funicular and lamellar part

By a fibrous raphe and thin layer of elastic tissue which extend between cervical spine

By a power elastic apparatus extended from occipital to withers

#43. Corneoscleral junction is also called as:

Tapetum lucidum

Ora serrata

Ora ciliaris retinae

Limbus

#44. The process of transformation of spermatids into spermatozoa is called as:

Spermatogenesis

Spermiogenesis

Gametogenesis

Spermatocytogenesis

#45. The vein formed by the union of anterior and posterior mesenteric vein and splenic vein is:

Phrenic vein

Portal vein

Hemiazygous vein

Saphenous vein

#46. Identify the group of nitrogenous bases (all three) that are found is both RNA and DNA:

cytosine, thymine, adenine

cytosine, uracil, adenine

cytosine, adenine, guanine

cytosine, thymine, uracil

#47. Identify the group of amino acids (all three) that is both glycogenic as well as ketogenic:

Alanine, L-leucine, Iso-leucine

L-leucine, Tyrosine, Glutamine

Glycine, L-leucine, Histidine

Iso Leucine, Lysine, Phenylalanine

#48. Most sensitive test for detection of sugar in urine is:

Rothera's

Benedicts test

Barfoed test

Hay's Sulphur test

#49. Which among the following hormones derived from acid/amino derivatives?

Thyroxine

Insulin

Progesterone

Growth hormone

#50. Which among the following conditions caused by the deficiencies of vitamin E in the diet of animals?

Scurvy

Osteomalacia

Sterility

Pellagra

#51. Which one of the following Information Communication Technology (ICT) project carried by National Informatics Centre (NIC) on behalf of central Govt. and Government of Maharashtra and NGO?

Gokul wired village project

Katraj wired village project

Koyna wired village project

Warna wired village project

#52. A projector which projects the image over the head of an instructor is called as:

Slide projector

Overhead projector

Opaquae projector

L.C.D. projector

#53. Which one of the following printing material is used in a single sheet of papers to present information on only one topic in a concise manner and simple language?

Leaflet

Folder

Pamphlet

Bulletin

#54. Evaluation of progress is classified as extension programme planning process as like:

Programme planning

Programme action

Programme assimilation

Programme acculturation

#55. In which type of graph a circle is divided into segments to indicate different parts of a whole?

Bar graph

Area graph

Line graph

Pie graph

#56. In the extension administration, the scope of administration can be expressed in terms of the functioned elements indicated by the letters of the word POSDCORB, in this word ‘S’ stand for:

Satisfaction

Staffing

Self-reliance

Self-help

#57. What is the native breeding tract and natural habitat of the Berari goat breed?

Surat district of Gujarat

Puri district of Odisha

Nagpur and Wardha districts of Maharashtra

Southern arid tracts of Rajasthan

#58. What is the standard recommended concentration of Lindane used in acaricidal dipping solutions for sheep?

0.31%

0.10%

0.50%

0.02%

#59. Which of the following physical characteristics indicates a poor or non-laying hen rather than a good layer?

Thin, pliable, and well-spread pubic bones

Large, oval, moist, and bleached vent

Deeply pigmented bright yellow beak and shanks

Soft, thin, and pliable abdominal skin

#60. Why does feed consumption and voluntary energy intake decrease in poultry as ambient temperature rises?

Birds require less maintenance energy for thermoregulation in warm environments

Digestive enzymes become completely inactivated at high temperatures

High temperature causes rapid water intoxication and gastric impaction

Respiratory alkalosis directly blocks hunger centers in the hypothalamus

#61. Goat is multipurpose animal. What is not true about goat?

Goat gives more production per unit investment.

Goat is small size and younger slaughter age.

Milk is not suitable for preparing milk products.

Goat suffers less from ailments than do large animals

#62. Which of the following feed additives is a probiotic live organism rather than an indigestible prebiotic?

Fructooligosaccharide (FOS)

Inulin

Lactosucrose

Lactobacillus acidophilus strain

#63. Which anatomical segment of the avian oviduct is responsible for the formation and deposition of the shell membrane?

Uterus (shell gland)

Isthmus

Infundibulum

Magnum

#64. Response to selection is the difference between mean phenotypic values of:

Offsprings and selected parents

Offsprings of selected parents and parental population before selection

Sire and dam

Selected parents and base population before selection

#65. Breeding system by which a few purebred sires can rather quickly transform a non-descript population into the purebred called:

Cross breeding

Grading up

Back crossing

Criss crossing

#66. The outcrossing within a herd by use of selected sire is called:

Upgrading

Line breeding

Selective breeding

Back crossing

#67. The most reliable and powerful Selection Index than conventional selection index for sire evaluation is:

Total score method

Maximum likehood

BLUP (Best Linear Unbiased Prediction)

BLUE

#68. Sunandini is a synthetic cattle breed developed by crossing:

Red Sindhi x Non-descript cattle (Kerala)

Sahiwal x M.F.

Tharparkar x Jersey

Brown Swiss x Non-descript cattle (Kerala)

#69. Method is used for selection when several traits are considered simultaneously:

Individual selection

Independent culling level

Selection Index

Tandom selection

#70. Which chelating agent or compound interferes with the bioavailability and utilization of essential dietary cations in animals?

Cytochrome oxidase

Haemoglobin

Myoglobin

Calcium oxalate (oxalic acid)

#71. Highly soluble minerals to maintain osmotic pressure, acid base equilibrium and water metabolism are:

Sodium and potassium

Potassium and chlorine

Sodium, potassium and chlorine

None of above

#72. Severe nutritional deficiency of which trace mineral is directly responsible for Grass Staggers (hypomagnesemic tetany)?

Manganese

Magnesium

Copper

Selenium

#73. Which of the following is considered a vital non-caloric physiological function of dietary fats in animals?

Insulating vital organs and buffering mechanical trauma

Facilitating intestinal absorption of fat-soluble vitamins (A, D, E, K)

Acting as a structural constituent of cell membranes

All of the above are non-caloric functions of fat

#74. In which animal species is the metabolic pathway converting dietary tryptophan to niacin virtually absent, necessitating preformed dietary niacin?

Cats

Chickens

Ducks

Pigs

#75. Menadione is a commercially synthesized fat-soluble compound corresponding to which vitamin family?

Vitamin A

Vitamin K

Vitamin D

Vitamin E

Finish