OSSSC Lab Technician Exam Papers 2022 Answer Key
Exam Date- 06 Feb 2022 Set -C
Part-1 ARITHMETIC: 10 Marks
Part-2 ENGLISIT: 05 Marks
Part-3 MEDICAL LABORATORY TECHNOLOGY : 85 Marks
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Part-1 ARITHMETIC: 10 Marks
Instructions: Each Question under this part carries One mark. Please read the questions carefully and answer them by selecting correct answer out of the multiple answers given below each as A, B, C and D. There shall be negative marking @ 0.25 mark per question for wrong/multiple answers.
1• INS625 = 75, then find the value ofns625 + VS6.25 + v0.5625
ଯଦି 5625 = 75 ହୁଏ, ତେବେ ଏ5625 + 56.25 + 0.5625 ର ମୂଲ୍ୟ କେତେ ?
(A) 56 25
(B) 32
(C) 8.325
(D) 83.25
2. A man takes as much time in running 16 metres as a car takes in covering 64 metres. The ratio of the speeds of the man and the car is: ଗୋଟିଏ ଖର୍ 64 ମିଟର ଅତିକ୍ରମ କରିବାକୁ ଯେତିକି ସମୟ ନିଏ, ଜଣେ ପୁରୁଷ 16 ମିଟର ଅତିକ୍ରମ କରିବାକୁ ସେତିକି ସମୟ ନିଅନ୍ତି । ତେବେ ପୁରୁଷ ଏବଂ କାର ଦେଶର ଅନୁପାତ କେତେ ?
(A)2:3
(B) 1:1
(C) 1:4
(D)3:4
3. The H.C.F. of two numbers is 9. Which one of the following numbers can never be their L.C.M.? ଦୁଇଟି ସଂଖ୍ୟାର ଗଦାରୁ ୨ ଅଟେ ନିମ୍ନଲିଖିତ ସଂଖ୍ୟାଗୁଡିକ ମଧ୍ୟରୁ କେଉଁଟି ସେମାନଙ୍କର ବସାଗୁ ହୋଇପାରିବ ନାହିଁ ?
(A) 36
(B) 54
(C) 66
(D) 81
4. If the side of a square is increased by 40%, its area is increased by:
ଯଦି ଗୋଟିଏ ବର୍ଷକ୍ଷେତ୍ରର ବାହୁକୁ ଶତକତା 40 ବୃଦ୍ଧି କରାଯାଏ, ତେବେ ଏହାର କ୍ଷେତ୍ରଫଳ କେତେ ବୃଦ୍ଧି ହେବ ?
(A) 100%
(B) ୨6%
(C) ୫୦%
(D) 60%
5.17 men can do a piece of work in 5 days. How many men would be required to do the same work in 8 days? 17 ଜଣ ପୁରୁଷ ଗୋଟିଏ କାର୍ଯ୍ୟକୁ 5 ଦିନରେ ଶେଷ କରିପାରନ୍ତି । ତେବେ କେତେ ଜଣ ପୁରୁଷ ସେହି କାର୍ଯ୍ୟଟିକୁ ୫! ଦିନରେ କରିପାରିବେ ?
(A) 8
(B) 10
(C) 12
(D) 1s
6. A grocer sells rice at a profit 20% and uses a weight which is 20% less. Find out overall gain percentage. ଜଣେ ତେଜରାତି ଦୋକାନୀ ଶତକତା 20 ତାଜରେ ଡାଇନ ବିକ୍ରି କରନ୍ତି ଏବଂ ଶତକତା 20 କମ୍ ଓଜନ ଥିବା ବଟକରା ବ୍ୟବହାର କରନ୍ତି । ତେବେ ସର୍ବମୋଟ ଶତକଡା କେତେ ଲାଭ ହେବ ?
(A) 50%
(B) 40%
(C) 30%
(D) 20%
7. Of the three numbers, second is twice the first and is also thrice the third. If the average of the three numbers is 33, the largest number is: ତିନୋଟି ସଂଖ୍ୟା ମଧ୍ୟରୁ ଦ୍ବିତୀୟ ସଂଖ୍ୟାଟି ପ୍ରଥମ ସଂଖ୍ୟାଉ ଦୁଇଗୁଣ ଏବଂ ତୃତୀୟ ସଂଧ୍ୟାର ତିନିଗୁଣ ଅବେ । ଯଦି ତିନୋଟି ସଂଖ୍ୟାର ହାରାହାରି 33 ହୁଏ, ତେବେ ବୃହତ୍ତମ ସଂଖ୍ୟାଟି କେତେ ?
(A) 18
(B) 27
(C) 54
(D) &
0.67 * 067-2x0-67x057+d.s2xd.s2
Find the value of
0.47-0.52
B.
0.67 x 0.67-2x067x0.52+052x)
s2
0.67-0.52
- ର ମୂଲ୍ୟ କେତେ ?
X
al?
(A) 0.15
(B) ।
(C) 1.19
(D) 0.30
9. Which number should replace both the **'s in *
=) x () = ରେ କେଉଁ ସଂଖ୍ୟାଟି ଭଜୟ "*" ଉ ସ୍ଥାନ ନେଇପାରିବ ?
(A) 18
(B) 34
(C) 162
(D) 2916
10. Two numbers are in the ratio 4:5. 1r 24 is added to each number, the ratio lecomes 6:7. The sum of the number is:nଦୁଇଟି ସଂଖ୍ୟାର ଅନୁପାତ : ଅଟେ । ଯଦି ପ୍ରତ୍ୟେକ ସଂଖ୍ୟାରେ 21 ଯୋଗ କରାଯାଏ, ତେବେ ଅନୁଯାନ 6:7 ହୁଏ । ତେବେ ସଂti ଦୁଇଟିର ଯୋଗଫଳ କେତେ ?
(A) 81
(1) 90
(D) 108
(C) 99
Part-II
ENGLISIT: 05 Marks
11. The Ganges .................a holy river.
(Fill in the blank with appropriate verb.)
(A) are
(B) is
(C) am
(D) were
12. Haste makes waste.
(Choose the correct part of speech of the underlined word.)
(A) noun
(B) pronoun
(C) Adjective
(D) Adverb
13. The teacher said, "Honesty is the best policy".
(Transform the sentence into Indirect speech.)
(A) The teacher said that honesty is the best policy.
(B) The teacher said that honesty was the best policy.
(C) The teacher said that honesty would be the best policy.
(D) The teacher said that honesty will be the best policy.
14. Cut your coat according to your cloth.
(Choose the correct meaning in Odia of the English proverb.)
(A) ଧୂର ପାଣି ପଥର କାଟେ (B) ଆକାଶ କଇଁଆ ଚିଲିକା ମାଛ (C) ଆୟ ଦେଖି ବ୍ୟୟ କର (D) ଗରଜିଲା ମେଘ ବରଷେ ନାହିଁ
15. The boy is devoid ....................common sense.
(Fill in the blanks with appropriate preposition)
(A) from
(B) into
(C) of
(D) in
Part-II
MEDICAL LABORATORY TECHNOLOGY : 85 Marks
Instructions: Each Question under this part carries One mark. Please read the instructions carefully and
answer the questions by selecting the most appropriate answer out of the multiple answers given below
cach as A, B, C and D.
There shall be negative marking @ 0.25 mark per question for wrong/multiple answers.
16. Absorption of calcium is enhanced by:
(A) Vitamin A (B) Vitamin E (C) Vitamin D (D) Vitamin L
17. Which enzyme is more active between pH 8 and 10.
(A) Amylase
(B) Lipase
(C) Alkaline phosphatase
(D) Acid phosphatase
18. Which part of the brain controls intellectual ability?
(A) Frontal lobe
(B) Parictal lobe
(C) Temporal lobe
(D) Occipital lobe
19. How many types of tissues are present in Human Muscular System?
(A) 3
(B) 5
20. Osteoporosis occurs as a result of mineral deficiency.
(B) Iodine
(C) Calcium
(A) Sodium
(D) Iron
21. Cramp is involuntary, painful and localized of muscles.
(A) Contraction
(B) inflammation
(C) Relaxation
(D) Infection
22. What reagent is mutagenic/clastogenic:
(A) Crystal violet
(B) Picric acid
(C) Zenker's fluid
(D) Brazil fixative
23. Which chondroitin sulphate is present in bone and cornea.
(A) Chondroitin sulfate A
(B) Cliondroitin sulfate C
(C) Chondroitin sulfate B
(D) All options
24. The respiratory gases that are present in plasma are
(B) Nitrogen and oxygen
(A) Helium and oxygen
(C) Oxygen and carbon dioxide
(D) Hydrogen and oxygen
25. Iron in tissue is detected by which reaction.
(A) Silver impregnation method
(B) Prussian blue reaction
(C) Uranyl nitrate method
(D) Toluidine blue method
26. Glycosylated hemoglobin is performed on the following sample:
(A) Serum
(B) Plasma
(C)Whole blood
(D) Urine
27. The tablet used for glucose testing in urine is:
(A) Clinitest
(B) Ictotest
(C) Ace test
(D) TCA
28. Which unit converts user data into machine readable form?
(A) Input unit
(B) Output unit
(C) ALU
(D) Control Unit
29. An organ or structure that is not a component of the urinary system.
(A) Urethra.
(B) Urinary bladder.
(C) Ureter
(D) Adrenal gland.
30. Large intestine has all parts except
(A) Caccum
(B) Sigmoid colon
(C) Ascending colon
(D) Jejunum
31. Which type of radiations are used for sterilizing syringes & catheters.
(A) Ultraviolet radiations
(B) Infrared radiations
(C) Gamma radiations
(D) X-rays
32. Most naturally occurring antigens are
(A) Proteins
(B) Lipids
(C) Polysaccharides
(D) Nucleic acids
33. Commonest bacteria in milk
(A) Bacillus cereus
(B) Lactobacilli
(C) Coliform bacilli
(D) Proteus vulgaris
34. When performing a venipuncture bright red blood spurts into the tube. This means:
(A) An arterial puncture
(B) High hemoglobin
(C) High blood pressure
(D) High blood ph.
35. Silver methenamine stain is used for detection of
(A) Bacteria
(B) Parasite
(C) Fungi
(D) All options
36. Nome the structure analog of vitamin K, which is used as anticoagulant?
(A) Warfarin
(B) Tocopherol
(C) Ergocalciferol
(D) ß-carotene
37. ...................is not a salivary gland
(A) Submandibular gland
(B) Sublingual gland
(C) Parotid gland
(D) Thyroid gland
38. Knott concentration method is used for demonstration of
(A) Malarial parasite in blood film
(B) Microfilariae in peripheral blood film
(C) Leishmania donovani in bone marrow aspirate
(D) Trypanosoma cruzi in blood.
39. Which biochemical test is done for identification of Pseudomonas, Neisseria and Vibrio groups.
(A) Gluconate test
(B) Oxidation-fermentation test
(C) Urease test
(D) Oxidase test
40. Section cutting machine is also known as:
(A) Microtome
(B) Histomat
(C) Histocut
(D) Histoform
41. Find the INCORRECT statement about the biological functions of lipids.
(A) Storage form of metabolic fuel
(B) Have a protective function in bacteria, plant and insect
(C) The structural component of membranes
(D) Exhbit increased catalytic activity
42. Inability to write is known as
(A) Alexia
(B) Aphasia
(C) Agraphia
(D) Myopia
43. In which condition, there is no increase in blood glucose level.
(A) Hyperglycemic glycosuria
(C) Alimentary glycosuria
(D) All options
44. The most common cause of bacterial sore throat is
(A) Streptococcus pyogenes
(B) Haemophilus influenzae
(C) Both A&B
(D) Mycoplasma pneumonia
45. Before performing an R&M on a specimen, the urine would be:
(A) Filtered
(B) Brought to room temperature
(C) Centrifuged
(D) Well-mixed
46. Outer-cortex of kidney is.................... in colour.
(A) Blue-black
(B) Reddish-brown
(C) Yellowish-green
(D) Orange-red
47. Which simple protein is soluble in dilute alcohol but not in absolute alcohol.
(A) Scleroprotein
(B) Histones
(C) Prolamines
(D) Protamines
48. Which technique is used in histology for immediate diagnosis.
(A) Paraffin technique
(C) Celloidin section technique
(B) Frozen section technique
(D) None option
49. Which of the following is a substitute for crystal violet used in gram-staining procedure?
(A) Methylene blue
(B) Bromocresol green
(C) Safranin
(D) Phenolpthalene
50. Section cutting is best after.
(A) Heating the block
(B) Cold treatment
(C) Room temperature
(D) At 37°C
51. What is the responsibility of the logical unit in the CPU of a computer?
(A) To produce result
(B) To compare numbers
(C) To control flow of information
(D) To do math's works
52. In the human body, the largest endocrine gland is called.
(A) Parathyroid gland
(B) Thyroid gland
(C) Pituitary gland
(D) Adrenal gland
53. Which hormone is a polypeptide.
(A) TSH
(B) Insulin
(C) Both A&B
(D) None option
54. Which mineral is required for the synthesis of DNA, RNA and phospholipids.
(A) Sodium
(B) Calcium
(C) Potassium
(D) Phosphorus
55. Which part supplies nutrients from maternal blood to the foetus.
(A) Uterus
(B) Placenta
(C) Fallopian tubes
(D) Vagina
56. What is the purpose of CSSD?
(A) Storage of clean equipment
(B) Providing sterile equipment to the operation theater
(C) Storing sterile equipment
(D) Pharmacy of the operation theatre
57. Which method is most commonly used for uric acid estimation.
(A) Berthelot method
(B) Caraway method
(C) Diacetyl Monoxime method
(D) Sulphosalicyclic acid test
58. Which enzyme is present mainly in the prostate and increased in prostatic cancer.
(A) Alkaline phosphatase
(B) Isocitrate dehydrogenase
(C) Acid phosphatase
(D) Amylase
59. Smear should be prepared and fixed immediately for cytology because:
(A) Exfoliated cells degenerate rapidly
(B) Exfoliated cells may be blown away
(C)The nuclei of the cells get extruded from the cell
(D) Cytoplasm develops granularity
60. Which converts the user data into machine readable from?
(A) Input unit, output unit, control unit
(B) Central processing unit
(C) Output unit
(D) Decoder unit
61. Which of the following is cytological fixative.
(A) Flemming's fluid
(B) Carnoy's fluid
(C) Gendre's fluid
(D) None option
62. Which type of phospholipid is found in brain tissues.
(A) Phosphatidyl ethanolamine
(B) Phosphatidylcholine
(C) Phosphatidyl serine
(D) Plasmalogens
63. The agents which prevent multiplication of bacteria is known as
(A) Bactericidal
(B) Disinfectant
(C) Germicidal
(D) Bacteriostatic
64. The secretion from the lungs which is tested for malignant cells is called:
(A) Spittle
(B) Semen
(C) Saliva
(D) Sputum
65. Largest virus is: -
(A) Parvo Virus
(B) Herpes Virus
(C) Pox Virus
(D) Mycoplasma
66. ..............is secreted by posterior pituitary gland.
(A) Vasopressin
(B) Luteinizing Hormone
(C) Growth Hormone
(D) Follicle Stimulating Hormone
67. Which part of central nervous system is present in the vertebral canal.
(A) Cerebrum
(B) Mid brain
(C) Cerebellum
(D) Spinal cord
68. When virus antigen is abundant in lesions, then it can be detected by which method.
(A) Complement fixation test
(B) Immunofluorescence test
(C) Neutralization test
(D) All options
69. Chicken-pox is caused by
(A) Herpes simplex virus
(C) Adenovirus
(B) Varicella virus
(D) None option
70. Animal cells are interconnected by
(A) Plasma membrane
(B) Cell wall
(C) Desmosomes
(D) Plasmodesmata
71. What is the name of the computer terminal which gives paper printout?
(A) Display screen
(B) Soft copy terminal
(C) Hard copy terminal
(D) Plotter
72. Commercially available ELISA kits are used for the detection of
(A) Rotavirus
(B) Hepatitis B surface antigen
(C) Anti-HIV antibodies
(D) All of these
73. Which of these amino acids are essential for infants?
(A) Methionine
(B) Arginine and Histidine
(C) Valine
(D) Lysine and Leucine
74. Which piece of histology equipment is not temperature dependant:
(A) Wax
(B) Microtome
(C) Embedding center
(D) Water bath
75. Cholesterol is synthesized mainly in which part of the body,
(A) Heart
(B) Lung
(C) Liver
(D) Kidney
76. Catalase production is negative in which of the following?
(A) Streptococcus
(B) Salmonella
(C) Proteus
(D) Staphylococcus
77. By which tube, middle ear communicates anteriorly with nasopharynx.
(A) Trachea
(B) Eustachian tube
(C) Oesophagus
(D) None option
78. Neuromuscular transmission is mediated by
(A) Acetylcholine
(B) Lipoprotein
(C) Triglyceride
(D) Nitroglycerine
79. In which type of stain, the organism is stained in a different shade of colour from that of the stain.
(A) Indirect stain
(B) Negative stain
(C) Metachromatic stain
(D) Spore stain
80. The general formula of polysaccharides is
(A)(C6H100s)n
(B) (C6H12Os)n
(C) (C6H5O)n
(D) (C6H12O6)n
81. How many ribs are present in a human body?
(A) 12
(B) 12 pairs
(C) 24 pairs
(D) 14
82. During section cutting if paraffin wax is too soft, then section is
(A) Crumbled
(B) Thick
(C) Thin
(D) None option
83. Fallopian tubes in females has
(A) An uterine end
(B) An ampulla
(C) A fumbrial end
(D) All options
84. Which alcohol is most frequently used as skin disinfectant.
(A) Methyl alcohol
(B) Industrial alcohol
(C) Isopropyl alcohol
(D) All options
85........is the longest bone.
(A) Hip bone
(B) Scapula
86. Which method is used for cultivation of viruses.
(A) Animal inoculation
(B) Inoculation of embryonated eggs
(C) Tissue culture method
(D) All options
87. In animals, carbohydrate is stored in which part of the body.
(A) Liver
(B) Muscles
(C) Both A & B
(D) Intestine
88. Somatic Nervous system consists of pairs of cranial nerves.
(A) 12
(B) 18
89. Which acid increases staining intensity of eosin.
(A) Hydrochloric acid
(B) Acetic acid
(C) Nitric acid
(D) Trichloroacetic acid
90. In essential pentosuria, urine contains
(A) D-Ribose
(B) D-Xylulose
(C) L-Xylulose
(D) D-Xylose
91. Which of the following enzyme is a sensitive marker of alcoholic liver disease
(A) Alanine transaminase
(B) Aspartate transaminase
(C) Alkaline phosphatase
(D) Gamma-Glutamyltransferase
92. Immunoglobuline are which type of Protein in Nature ?
(A) Alpha Globulin
(B) Beta Globulin
(C) Gamma Globulin
(D) Delta Globulin
93. Which type of Microscope is mostly used for routine microbiological work?
(A) Phase-contrast Microscope
(C) Electron Microscope
(B) Brightfield Microscope
(D) Fluorescence Microscope
94. Which solvent is not flammable:
(A) Ether
(B) Ethanol
95. Which fixative is used in PAP stain.
(A) Formalin
(B) Alcohol-ether
(C) Carnoy's fluid
(D) Bovin's fluid
96. For electron microscopy study, dehydration of tissue is started with..................... percent alcohol.
(A) 40%
(B) 50%
(C) 60%
(D) 70%
97. Antioxidant property of vitamin C is due to :
(A) Phenolic hydroxyl group
(B) Sulfhydryl group
(C) Active reducing group
(D) Alcoholic group
98. The eosin solution used in Hand E stains are prepared from
(A) Eosin Y
(B) Eosin Z
99. Which of the following items are examples of storage devices?
(A) Floppy / hard disks
(B) CD-ROM
(C) Tape devices
(D) All of the above
100. Which skin test is done to demonstrate circulating diphtheria antitoxin.
(A) Petroff's method
(B) Mantoux test
(C) Schick's test
(D) Lepromin skin test
PDF DOWNLOAD WITH ANSWER KEY
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Answer-
1= D 2=C 3=C 4=B 5=B 6=A
7=C 8=A 9=B 10=D 11=B 12=A
13=A 14=C 15=C 16=C 17= C 18=A
19=C 20=C 21=A 22=B 23=A 24=C
25=B 26=C 27=A 28=A 29=D 30=D
31=B 32=A 33=C 34=A 35=C 36=A
37=D 38=B 39=D 40=A 41=D 42=C
43=B 44=C 45= D 46=B 47=C 48=B
49=A 50=B 51=B 52=B 53=B 54=D
55=B 56=B 57=B 58=C 59=A 60=A 61=C
62=C 63=D 64=D 65=C 66=A 67=D
68=B 69=B 70=C 71=C 72=D 73=B
74=B 75=C 76=A 77=B 78=A 79=C
80=A 81=B 82=A 83=D 84=C 85=D
86=D 87=C 88=A 89=B 90=C 91=B
92=D 93=B 94=D 95=B 96=C 97=C 98=C
99=D 100=C
