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CENTRAL COUNCIL FOR RESEARCH IN AYURVEDIC SCIENCES V s f M f ^ W T S rp -S T F T
WRITTEN EXAMINATION/f^f^d TftSTT
Date:
Name: CANDIDATE’S SIGNATURE
Roll No.:
Post: INVIGILATOR’S SIGNATURE
General Instructions/^ m
1. Each Question carries one (01) Mark/ spsr % f^rr tt (01) ^
2. Total marks : 100/ ^ : 100 & Time : 1.30 hr/W ^T: 0 (ts5)
3. There is only one correct answer for each q u e s t i o n W 3rTT ^
4. No negative marking for wrong answer/WcT 'JriT % f%rr ^THT
5. All entries in the circle must be made by BLUE or BLACK Ball point Pen only. Two or moreattempts/alterations or blank answer in a question will be treated as ‘Not Attempted’ and will score ‘Zero’ marks. s rf^ fN f % f f t ^ 3 m ^ ^ t | ^ 3ffsr^
m ftrF3tTT ‘^JT ‘ f^ T T l
6. English version of the questions will be final if any difference is there in translating thescientific names/terms in H in d i /^ m f ^ T R t/ ^ % =FTTW IrHvI ^ tt 3jclT £*TPT ^
ftT w t W^PT f t atf^R- TTFTT J11
7. Any unfair means used/ tried to attempt will make ineligible to the cand idate /f^ft
Tniw w wnr/snmr qr 3r*2T«ff wwm 5^<hi ttW|
LABORATORY TECHNICIAN EXAMINATION
Maximum marks: 100Each question carries 1 MarkNo negative marking for wrong answer
1.A. a patient with tuberculosisB. a patient who has had minor surgeryC. a patient with glaucomaD. a patient with leukemia
2. Tfsff, SNm sfk t w r t ¥ ^ r=ih i
A. Chlorophyll aB. Chlorophyll bC. PorphyrinD. Rhodapsin
3. s f t .T T % f ta f t^ '^ f ^ T T « r r ?A. Louis PasteurB. Robert KochC. Antony von LeewenhokD. None of these
4. § Rh S R r^ rsrrw r?A. Louis PasteurB. Landsteiner and WeinerC. JanskeyD. Moss
5. R<Wdl ^ T ^ f ?A. AdhesionsB. InvasivenessC. ToxigenicityD. All of the above
6. ^ f t | ?A. KetolaseB. ZymaseC. PeroxidaseD. Oxidase
7. Hl$s())«ti<ri<?1l'’0 %Rdl Ritl'hl =*1^17A. Louis PasteurB. ListerC. A.V. LeeuwenhoekD. Robert Koch
8. ^ o M )% * r r f r* T t?A. Water borne diseaseB. Air borne diseaseC. Food borne diseaseD. Atthropod borne disease
^ w r | ?A. 100X
Time: 1 hour
SET 3
B. 2000XC. 50,000 XD. 2,00,000 X
10. ^IdiiiQdi (TT?rrft^1^RT) £r ?A. HistamineB. SeratoninC. HeparinD. All of these
11. v>lldl | ?A. ExaltationB. AttenuationC. Both a and bD. None of these
12. Ri«sid f^TT?A. Louis PasteurB. Elie MetchnikoffC. BehringD. Widal
13. t ^ r r P R m ( t f l R * w ) ^ ttf?A. Protected water supplyB. Environmental sanitationC. Immunization with killed vaccinesD. All of these
14. WTTsT WPST ( t f t f e i ) )
A. Lipolytic organismsB. Proteolytic organismsC. Toxigenic microbesD. Saccharolytic microbes
15.A. SpirogyraB. CephaleurosC. ProtothecaD. Both b and c
16. TTW HlPl Hlq ^ 1 f ?A. Fast greenB. HaematoxylonC. Crystal violetD. Safranin
17. I^wh+ i w r fA. Plasma membraneB. Endoplastic ReticulamC. LysosomesD. Golgi
Laboratory T echnician Page 1
LABORATORY TECHNICIAN EXAMINATION
Maximum marks: 100Each question carries 1 MarkNo negative marking for wrong answer
1. Reverse isolation would be appropriate for:-A. a patient with tuberculosisB. a patient who has had minor
surgeryC. a patient with glaucomaD. a patient with leukemia
2. The principle light- trapping pigment molecule in plants, Algae, and cyanobacteria is:-
A. Chlorophyll aB. Chlorophyll bC. PorphyrinD. Rhodapsin
3. B. anthracis was isolated by:-A. Louis PasteurB. Robert KochC. Antonyvon LeewenhokD. None of these
4. Rh factor of the blood was discovered by scientist:-
A. Louis PasteurB. Landsteiner and WeinerC. JanskeyD. Moss
5. The most important virulence factors are:-A. AdhesionsB. InvasivenessC. ToxigenicityD. All of the above
6. Enzymes responsible for alcoholic Fermentation
A. KetolaseB. ZymaseC. PeroxidaseD. Oxidase
7. Father of microbiology isA. Louis PasteurB. ListerC. A.V. LeeuwenhoekD. Robert Koch
8. Tuberculosis is aA. Water borne diseaseB. Air borne diseaseC. Food borne diseaseD. Atthropod borne disease
Time: 1 hour
SET 3
9. Electron microscope gives magnification Upto >
A. 100XB. 2000XC. 50,000 XD. 2,00,000 X
10. Primary mediators in anaphylaxisA. HistamineB. SeratoninC. HeparinD. All of these
11. Reduction of virulence is known asA. ExaltationB. AttenuationC. Both a and bD. None of these
12. Phagocytic theory was proposed byA. Louis PasteurB. Elie MetchnikoffC. BehringD. Widal
13. Prophylaxis of cholera isA. Protected water supplyB. Environmental sanitationC. Immunization with killed
vaccinesD. All of these
14. Rancidity in spoiled foods is due toA. Lipolytic organismsB. Proteolytic organismsC. Toxigenic microbesD. Saccharolytic microbes
15. Which of the following is pathogenic to humans?
A. SpirogyraB. CephaleurosC. ProtothecaD. Both b and c
16. Staining material of gram positive bacterium is
A. Fast greenB. HaematoxylonC. Crystal violetD. Safranin
Laboratory T echnician Page 1
18. sffclT't ?A. Micro bodyB. ChromosomeC. RibosomeD. Mitochondria
19. R'-ClPUl f % ^ ( % ^ l d IA. CorynebacteriumB. StaphylococcusC. StreptococcusD. None of these
20. ftcTTf?A. PlasmodiumB. ParameciumC. YeastD. Entamoeba histolytica
21.A. Vitamin CB. Vitamin AC. Vitamin B2D. Vitamin K
22. wPNA. PhosphorusB. SodiumC. IronD. Potassium
23. T T ^ fh ^ f^ " w |f^ T 3 fh :w f lc f f r r rT |?A. PancreasB. LiverC. KidneyD. Muscle
24.A. NucleusB. RibosomeC. MitochondrionD. Cell sap
25. ^ ^ s f f tR T p H w r f ?A. 7.0B. 6.0C. 8.0D. 0.0
26. "STTWWTcfi t^T" HHH f?A. LysosomesB. RibosomesC. NucleolusD. Golgi’s bodies
27. flW ? % f^PT TT^I R I?A. UreaB. FructoseC. GlucoseD. Potassium
28. f^ rf^ f^ T T r^ r^ fk ^ tf^ F TA. MelaninB. GlycogenC. LipidsD. Centrosome
29. ft'H'M STT rr ftcTT f ?A. Golgi bodiesB. Cell membraneC. MitochondriaD. Lysosomes
30. # 3TRTTTTTT gWcf: ^Tff icM ^Idl f?
A. Endoplasmic reticulumB. RibosomeC. NucleolusD. Nucleus
31. ^ F 3 f ^ T ^ - T [ ^ ^ l T T p t q - l w r |?A. GalactoseB. FructoseC. ArabinoseD. Xylose
32.A. SucroseB. TrehaloseC. IsomaltoseD. Agar
33.A. RiboseB. DeoxyriboseC. RibuloseD. Erythrose
34.A. GlucoseB. FructoseC. MannoseD. Galactose
A. InductionB. RepressionC. Allosteric regulationD. All of these
A. Mental retardationB. Premature cataractC. DeathD. All of the above
37. ^ cTI^R-mi Ri'H+l jfftT f?A. Acute glomerulonephritisB. Acute pyelonephritisC. NephrosclerosisD. Nephrotic syndrome
Laboratory Technician Page 2
17. Meosomes are the part ofA. Plasma membraneB. ERC. LysosomesD. Golgi
18. The site of energy production in a cellA. Micro bodyB. ChromosomeC. RibosomeD. Mitochondria
19. Diphtheria is caused byA. CorynebacteriumB. StaphylococcusC. StreptococcusD. None of these
20. Amoebic dysentery in humans is caused by>
A. PlasmodiumB. ParameciumC. YeastD. Entamoeba histolytica
21. Milk is deficient in which vitamins?A. Vitamin CB. Vitamin AC. Vitamin B2D. Vitamin K
22. Milk is deficient of which mineral?A. PhosphorusB. SodiumC. IronD. Potassium
23. HDL is synthesized and secreted from:-A. PancreasB. LiverC. KidneyD. Muscle
24. The most active site of protein synthesis is the
A. NucleusB. RibosomeC. MitochondrionD. Cell sap
25. The average pH of Urine isA. 7.0B. 6.0C. 8.0D. 0.0
26. The cellular organelles called “suicide bags” are
A. LysosomesB. RibosomesC. NucleolusD. Golgi’s bodies
27. A lipid bilayer is permeable toA. UreaB. FructoseC. GlucoseD. Potassium
28. The following substances are cell inclusions except
A. MelaninB. GlycogenC. LipidsD. Centrosome
29. Which has its own DNA?A. Golgi bodiesB. Cell membraneC. MitochondriaD. Lysosomes
30. In mammalian cells rRNA is produced mainly in the:-
A. Endoplasmic reticulumB. RibosomeC. NucleolusD. Nucleus
31. The most important epimer of glucose isA. GalactoseB. FructoseC. ArabinoseD. Xylose
32. Which of the following is a reducing sugar?A. SucroseB. TrehaloseC. IsomaltoseD. Agar
33. The sugar found in RNA is>A. RiboseB. DeoxyriboseC. RibuloseD. Erythrose
34. The constituent unit of inulin is:-A. GlucoseB. FructoseC. MannoseD. Galactose
35. Pyruvate carboxylase is regulated by>A. InductionB. RepressionC. Allosteric regulationD. All of these
36. Congenital galactosaemia can lead to:-A. Mental retardationB. Premature cataractC. DeathD. All of the above
Laboratory T echnician Page 2
38. 41 <*T ^ TTcTT | ?A. Endemic goitreB. ThyrotoxicosisC. MyxoedemaD. Cretinism
39.A. LactoseB. MaltoseC. FructoseD. Mucose
40.A. Seliwanoffs testB. Osazone testC. Molisch testD. None of these
41. s^cfrf?A. Diabetes mellitusB. AdrenalectomyC. AcromegalyD. Thyrotoxicosis
42. s i i O R + H i ^ ^ f U i iA. Renal glycosuriaB. Alimentary glycosuriaC. Diabetes MellitusD. Alloxan diabetes
43. vfNr if nRqf^Vi
A. Lactic acidB. GTPC. CTPD. UTP
44. PH R d °h<ctI |?A. HexokinaseB. PhosphofructokinaseC. Pyruvate kinaseD. All of these
45. T T S R T O w | ?A. Inhibition of glycolysisB. Oxygen is involvedC. Inhibition of enzyme
phosphofructokinaseD. All of these
46.A. D-ArabinoseB. D-RiboseC. D-XyloseD. L-Xylose
47.A. GalactoseB. SucroseC. FructoseD. Maltose
48. I?A. LysineB. TyrosineC. TaurineD. Arginine
49. *T1T'F iij+ldl M,Pls ^ ?A. AspartateB. TyrosineC. MethionineD. Serine
50. 1<RN I?A. ValineB. CysteineC. LeucineD. Threonine
51. f%cFT f t <-0 41 dX Rh I 41 d< TT% f .A. 1000B. 10,000C. 100,000D. 10,00,000
52. 11010101 2635967Wf t ?
A. 934134B. 7383414C. 8374134D. 937414
53. 3,8,7 ^ ^ R>41 'tft spf 3TTft 3 T = F f « H l l i
A. 3387B. 8378C. 8873D. 8773
54. . 8 tus-m w r |?A. one lakhB. one croreC. ten lakhD. ten crores
55. shrmfh^ w r # t ^
A. 1 croreB. 10 croreC. 100 croreD. 1000 crore
Laboratory Technician Page 3
37. Heavy proteinuria occurs inA. Acute glomerulonephritisB. Acute pyelonephritisC. NephrosclerosisD. Nephrotic syndrome
38. Serum cholesterol is decreased in:-A. Endemic goitreB. ThyrotoxicosisC. MyxoedemaD. Cretinism
39. Blood group substances consist ofA. LactoseB. MaltoseC. FructoseD. Mucose
40. Specific test for ketohexoses:A. Seliwanoffs testB. Osazone testC. Molisch testD. None of these
41. Glucose tolerance is increased inA. Diabetes mellitusB. AdrenalectomyC. AcromegalyD. Thyrotoxicosis
42. Physiological glycosuria is met with in :-A. Renal glycosuriaB. Alimentary glycosuriaC. Diabetes MellitusD. Alloxan diabetes
43. An essential for converting Glucose to Glycogen in Liver is
A. Lactic acidB. GTPC. CTPD. UTP
44. The glycolysis is regulated by:-A. HexokinaseB. PhosphofructokinaseC. Pyruvate kinaseD. All of these
45. Pasteur effect isA. Inhibition of glycolysisB. Oxygen is involvedC. Inhibition of enzyme
phosphofructokinaseD. All of these
46. Human heart muscle containsA. D-ArabinoseB. D-RiboseC. D-XyloseD. L-Xylose
47. Cane sugar is known as:-A. GalactoseB. SucroseC. FructoseD. Maltose
48. An aromatic amino acid is :-A. LysineB. TyrosineC. TaurineD. Arginine
49. An essential amino acid in man isA. AspartateB. TyrosineC. MethionineD. Serine
50. A ketogenic amino acid is :-A. ValineB. CysteineC. LeucineD. Threonine
51. How many millimeter make one kilometer?A. 1000B. 10,000C. 100,000D. 10,00,000
52. What must be subtracted from 11010101 to get 2635967.
A. 934134B. 7383414C. 8374134D. 937414
53. Make the greatest four digit number by using any one digit twice by 3,8,7
A. 3387B. 8378C. 8873D. 8773
54. The smallest 8 digit number is:-.A. one lakhB. one croreC. ten lakhD. ten crores
55. In the international system of numeration we write one billion for :-
A. 1 croreB. 10 croreC. 100 croreD. 1000 crore
Laboratory Technician Page 3
56. 2,4,0,3,6,9 3N t WTT W 1A. 432900B. 392460C. 964320D. 903642
57. f^ if* r^ T * rr* M £ ) s i t ^ s r w t :A. 1B. 2C. 3D. 4
58. *ra% ^dlA. 1B. 2C. 3D. 4
59. 8,10,12 t f^TTf^cT 3T # 3 3t^t # W t 3 # WTT *ft I?
A. 120B. 360C. 960D. 980
60. Tt t ftf^ tr f*R% 3T # ar^FT-ST^T13TT°RTT' J t I d I | ?
A. Collinear linesB. intersecting linesC. parallel linesD. none of these
61. t^P f t \^T PC TRT 3fFT ^TFf cf T 3T“Ml ff?
A. non - collinear pointsB. straight linesC. collinear pointsD. point of concurrence
62. v ^ r i M k s i T ^ f ^ f ^ ^ s p r n T ^ f f t : -A. lineB. planeC. line segmentD. point.
63. ¥T f% 0.1 3 k 0.2 % # 3 f TcT
A. 0.19B. 1.9C. 10.9D. 1.09
64. 36 : 84%3TRT3T^nRTf 3:A. 7 :3B. 3 : 7C. 6 :7D. 12 :7
r?65. 12 : 108 = 1 : ______A. 1B. 9C. 8D. 12
66. CAD ^T fA. Computer aided designB. Computer algorithm for designC. Computer application in designD. Computer analogue design
67. t - ^ T ^ t^ ^ r t^ l - M I *IMIA. spamB. spoofC. sniffer scriptD. spool
68.A. all have the same motiveB. break into other people's
computersC. may legally break into computers
as long as they do not do any damage
D. are people who are allergic to computers
69. ftTCTT t f%?T TOT % 4^£IC w i t s f f r | ( 3 r f ^ R W T)?
A. MainframeB. Mini-computerC. MicrocomputerD. PDA
70. ^ v r t w ^ T 'T ^ f t W R ^ f f WRftf Wf:-A. a copy is automatically printedB. it must be given a name to identify
itC. it does not need a nameD. it only needs a name if it is not
going to be printed71. w rf^nr *fr «ii ’tt
fTT I , =mTU....... % % *ftJT TT^+dT t>
A. CANB. LANC. DAND. WAN
72. Sdi ^ s f r r rn T ^ T ■Hilled ^ Id lf?
A. Main memoryB. Secondary memoryC. Disk memoryD. Programme memory
Laboratory T echnician Page 4
56. Largest number formed by digits 2,4,0,3,6,9 is
A. 432900B. 392460C. 964320D. 903642
57. Which of the following is smallest prime number:
A. 1B. 2C. 3D. 4
58. The smallest composite number isA. 1B. 2C. 3D. 4
59. Which is greatest 3-digit number exactly divisible by 8,10,12
A. 120B. 360C. 960D. 980
60. Two distinct lines meeting at a points arecalled_____________ .
A. Collinear linesB. intersecting linesC. parallel linesD. none of these
61. Three or more points which lie on a same line are called:
A. non - collinear pointsB. straight linesC. collinear pointsD. point of concurrence
62. Geometrical figure which has no dimension is:-
A. lineB. planeC. line segmentD. point.
63. Which of the following point lies between 0.1 and 0.2?
A. 0.19B. 1.9C. 10.9D. 1.09
64. 36 : 84 is equivalent ratio of 3 :_____?A. 7 : 3B. 3 :7C. 6 :7D. 12 :7
65. Fill in the blank :-12 : 108 = 1 : ______A. 1B. 9C. 8D. 12
66. CAD stands forA. Computer aided designB. Computer algorithm for designC. Computer application in
designD. Computer analogue design
67. Junk e-mail is also called:-A. spamB. spoofC. sniffer scriptD. spool
68. Hackers:-A. all have the same motiveB. break into other people's
computersC. may legally break into
computers as long as they do not do any damage
D. are people who are allergic to computers
69. What type of computers are client computers (most of the time) in a client- server system?
A. MainframeB. Mini-computerC. MicrocomputerD. PDA
70. When a file is saved for the first time:-A. a copy is automatically printedB. it must be given a name to
identify itC. it does not need a nameD. it only needs a name if it is not
going to be printed71. Office LANS, which are scattered
geographically on large scale, can be connected by the use of corporate........
A. CANB. LANC. DAND. WAN
72. Where are data and programme stored when the processor uses them?
A. Main memoryB. Secondary memoryC. Disk memoryD. Programme memory
Laboratory T echnician Page 4
73................... u f,..............A. Information, reportingB. Data, informationC. Information, bitsD. Records, bytes
74. f^ c n ^ t?A. TapeB. Hard DiskC. Floppy DiskD. All of the above
75.A. 1416B. 1614C. 1641D. 1804
76. s r tk t % fcfrTcT % if t^ r f r^ T T |?
A. CarbohydratesB. Red corpusclesC. VitaminsD. White corpuscles
77. TTFR- &Tf)T if JJ l WTT |A. 42B. 44C. 46D. 48
78. WTRT -HH =1 ^ H R a c R ^ T R>dHlffaT t?
A. 1 lbB. 2 1bC. 3 lbD. 41b
■ Rt-h^ i jficfT?r+RT+TA. Linus PaulingB. Jonas SalkC. Melvin CalvinD. Selman Waksman
80. srflr if tt % ^ % *T
A. AdrenalB. LiverC. ThyroidD. Thymus
81.A. bubonic plagueB. malariaC. typhusD. yellow fever
82. *rfW*T if ^TfniT |A. in greater numbers for a longer
period of time in the maleB. for a longer period in the female
than in the maleC. in equal numbers in both sexesD. in greater numbers by the female
than by the male83. sTR" H's'-M H W IlfB %
A. numerous weed seedsB. harmful birdsC. many harmful rodentsD. harmful reptiles
84. <HsF)fitf# f^ f% S T ^ kTT ^Tqftw nT|?A. ThyroxineB. Growth hormoneC. InsulinD. Glucagon
85. % s ry i 11?A. CortisolB. AldosteroneC. DehydroephiandrosteroneD. Androstenedione
86. if sp ffrt P I TR>d4Tf ?
A. 7B. 9C. 14D. 18
87. *1 ^ $1 'MI R>d rfl f?A. < 3-5 minutesB. <8-10 minutesC. <15 minutesD. < 15 minutes
88. ^'hHU'sifDldrt:-A. Hepatic glycogenolysisB. Muscle glycogenolysisC. Hepatic glycogenesisD. Lipogenesis
89. Ri^+I 3 r f ^ 'icMKH <ulf^frrrfrrrT t?
A. EstrogensB. AndrogensC. GastogensD. Ethinyl estradiol
Laboratory Technician Page 5
73..................... represents raw facts, whereas.................is data made meaningful.
A. Information, reportingB. Data, informationC. Information, bitsD. Records, bytes
74. Which of the following is a storage device?A. TapeB. Hard DiskC. Floppy DiskD. All of the above
75. When did John Napier develop logarithm?A. 1416B. 1614C. 1641D. 1804
76. Which of the following acts as a resistance against disease in the body?
A. CarbohydratesB. Red corpusclesC. VitaminsD. White corpuscles
77. The number of chromosomes in human body is:-
A. 42B. 44C. 46D. 48
78. Brain of a normal human adult weights about:-
A. 1 lbB. 21bC. 3 lbD. 41b
79. Who is credited with the development of polio vaccine?
A. Linus PaulingB. Jonas SalkC. Melvin CalvinD. Selman Waksman
80. Which of the following in the human body is popularly called the ‘Adam’s Apple’?
A. AdrenalB. LiverC. ThyroidD. Thymus
81. The drug quinine is used in the treatment of:-
A. bubonic plagueB. malariaC. typhusD. yellow fever
82. Reproductive cells in normal Human beings are produced:-
A. in greater numbers for a longer period of time in the male
B. for a longer period in the female than in the male
C. in equal numbers in both sexesD. in greater numbers by the
female than by the male83. The conservation of hawks and owls is
important to mankind chiefly because these birds eat:-
A. numerous weed seedsB. harmful birdsC. many harmful rodentsD. harmful reptiles
84. Acromegaly results due to excessive release of:-
A. ThyroxineB. Growth hormoneC. InsulinD. Glucagon
85. The predominant glucocorticoid is:A. CortisolB. AldosteroneC. DehydroephiandrosteroneD. Androstenedione
86. The number of amino acids in the hormone oxytocin is:-
A. 7B. 9C. 14D. 18
87. The half life of insulin is:-A. < 3-5 minutesB. <8-10 minutesC. < 15 minutesD. < 15 minutes
88. Glucagon enhances:-A. Hepatic glycogenolysisB. Muscle glycogenolysisC. Hepatic glycogenesisD. Lipogenesis
89. Stein-leventhal syndrome is due to overproduction of:-
A. EstrogensB. AndrogensC. GastogensD. Ethinyl estradiol
Laboratory Technician Page 5
90. ^ qi^fjl O?<4*) W lf?
A. OxygenaseB. DehydrogenaseC. IsomeraseD. Decarboxylase
91. TTFR t zrfcfr i r f ^ #
A. 53B. 92C. 145D. 237
92. ^ tW T = 1 f^T% f%TT ^ rt
ft?A. GastrinB. CholecystokininC. OxytocinD. All of these
93. MSH 3T f^%9PT 1FT R^Pld f^TT TRTT t?
A. Feedback mechanismB. MelatoninC. Hypothalamic hormonesD. ACTH
94.A. Antidiuretic hormoneB. InsulinC. ACTHD. Thyrotropin releasing hormone
95. *T^STf% T$ri#qTW f¥^T#TtA. Reverse T3B. DITC. T3D. T4
r riT fh^TTT wi W r ¥ i | ?A. OperonB. Repressor geneC. CistronD. Replicon
97. t ^ f^rtr f ^ r #
A. ATPB. AMPC. GDPD. GTP
98. d i R ^ f tc r r tA. StructuralB. RegulatorC. PromoterD. Operator
99. sFT*T^f?A. AMPB. ADPC. ATPD. All of these
100. w | ?A. Polio virusB. HIVC. Herpes virusD. Tobacco mosaic virus
Laboratory Technician Page 6
90. The enzyme catalyzing conversion of androstenedione to testosterone is a:-
A. OxygenaseB. DehydrogenaseC. IsomeraseD. Decarboxylase
91. Total number of amino acids in human chorionic gonadotropin is
A. 53B. 92C. 145D. 237
92. Inositol triphosphate is the second messenger for:-
A. GastrinB. CholecystokininC. OxytocinD. All of these
93. Secretion of MSH is regulated by:-A. Feedback mechanismB. MelatoninC. Hypothalamic hormonesD. ACTH
94. A nonapeptide among the following is:-A. Antidiuretic hormoneB. InsulinC. ACTHD. Thyrotropin releasing hormone
95. The most powerful thyroid hormone is:-A. Reverse T3B. DITC. T3D. T4
96. The smallest unit of DNA capable of coding for the synthesis of a polypeptide is:-
A. OperonB. Repressor geneC. CistronD. Replicon
97. Initiation of protein synthesis requires:-A. ATPB. AMPC. GDPD. GTP
98. The gene which is transcribed during repression is:-
A. StructuralB. RegulatorC. PromoterD. Operator
99. Cyclic AMP can be formed from:-A. AMPB. ADPC. ATPD. All of these
100. A tetrovirus is:-A. Polio virusB. HIVC. Herpes virusD. Tobacco mosaic virus
Laboratory T echnician Page 6
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