CBSE Class 12 Clinical Biochemistry and Microbiology Question Paper 2019

SET-4
Series BVM H$moS> Z§.
Code No. 266
amob Z§. narjmWu H$moS >H$mo CÎma-nwpñVH$m Ho$ _wI-n¥ð >na
Roll No. Adí` {bIo§ &
Candidates must write the Code on the
title page of the answer-book.

 H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 7 h¢ &
 àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE H$moS >Zå~a H$mo N>mÌ CÎma-nwpñVH$m Ho$ _wI-n¥ð> na {bI| &
 H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >33 àíZ h¢ &
 H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, àíZ H$m H«$_m§H$ Adí` {bI| &
 Bg àíZ-nÌ H$mo n‹T>Zo Ho$ {bE 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ-nÌ H$m {dVaU nydm©• _|
10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-nÌ H$mo n‹T>|Jo Am¡a
Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo &
 Please check that this question paper contains 7 printed pages.
 Code number given on the right hand side of the question paper should be
written on the title page of the answer-book by the candidate.
 Please check that this question paper contains 33 questions.
 Please write down the Serial Number of the question before
attempting it.
 15 minute time has been allotted to read this question paper. The question
paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the
students will read the question paper only and will not write any answer on
the answer-book during this period.

Z¡Xm{ZH$ O¡d-agm`Z Am¡a gyú_O¡{dH$s
CLINICAL BIOCHEMISTRY & MICROBIOLOGY

{ZYm©[aV g_` : 3 KÊQ>o A{YH$V_ A§H$ : 60
Time allowed : 3 hours Maximum Marks : 60

266 1 P.T.O.

gm_mÝ` {ZX}e :
(i) Bg àíZ-nÌ _| 33 àíZ em{_b h¢ {OZ_| go Aä`Wu H$mo {g\©$ 25 àíZ H$aZo H$s µOê$aV
h¡ &
(ii) àíZ-nÌ Xmo IÊS>m| _| {d^m{OV h¡ &
IÊS> A
 ~hþ{dH$ënr` àíZ /[aº ñWmZ ^[aE /grYo àíZ : Hw$b 12 àíZ em{_b h¢ Omo
1 – 1 A§H$ Ho$ h¢ & BZ_| go {H$Ýht 10 àíZm| Ho$ CÎma Xr{OE &

 A{V bKw CÎmar` àíZ : BZ_| Hw$b 7 àíZ em{_b h¢, àË`oH$ 2 A§H$ Ho$ h¢ & BZ_| go
{H$Ýht 5 àíZm| Ho$ CÎma Xr{OE &
 bKw CÎmar` àíZ : BZ_| Hw$b 7 àíZ em{_b h¢, àË`oH$ 3 A§H$ Ho$ h¢ & BZ_| go
{H$Ýht 5 àíZm| Ho$ CÎma Xr{OE &
IÊS> ~
XrK© CÎmar` /{Z~ÝYmË_H$ àíZ : BZ_| Hw$b 7 àíZ em{_b h¢, àË`oH$ 5 A§H$ Ho$ h¢ & BZ_|
go {H$Ýht 5 àíZm| Ho$ CÎma Xr{OE &
General Instructions :

(i) This question paper contains 33 questions out of which the candidate
needs to attempt only 25 questions.

(ii) Question paper is divided into two sections.

SECTION A
 Multiple choice questions / Fill in the blanks/Direct questions :
contains total 12 questions of 1 mark each. Answer
any 10 questions.
 Very short answer type questions : contains total 7 questions of
2 marks each. Answer any 5 questions.
 Short answer type questions : contains total 7 questions of 3 marks
each. Answer any 5 questions.

SECTION B

Long answer / Essay type questions : contains total 7 questions of 5 marks
each. Answer any 5 questions.

266 2

IÊS> A$
SECTION A

{XE JE ~mah ‘| go {H$Ýht Xg àíZm| Ho$ CÎma Xr{OE & 1×10=10
Answer any ten questions from the given twelve.

1. OrdmUwZmeZ VWm H$sQ>mUwemoYZ (amoJmUwZmeZ) Š`m h¡ ?
What is Sterilisation and Disinfection ?

2. J«m_-gH$mamË_H$ H$m¡ŠH$mB© Ho$ Zm_ ~VmBE &
Enumerate gram-positive cocci.

3. \$moQ>moBbopŠQ´>H$ H$bmoar_rQ>a Š`m h¡ ?
What is Photoelectric Colorimeter ?

4. nr.gr.Ama. (PCR) Š`m h¡ ?
What is PCR ?

5. à`moJembm Ho$ An{eï>m| Ho$ àH$ma Š`m h¢ ?
What are the types of laboratory wastes ?

6. {b{nS> Ho$ {d{^Þ àH$ma Š`m h¢ ?
What are the various types of lipids ?

7. _b narjU _| nmE OmZo dmbo {d{^Þ A§S>o (Amodm) Ho$ Zm_ ~VmBE &
Name the various ova found in stool examination.

8. EÝQ>rOZ Am¡a EÝQ>r~m°S>r Ho$ {d{^Þ àH$mam| Ho$ Zm_ ~VmBE &
Name the various types of antigens and antibodies.
266 3 P.T.O.

9. dm`ab ({dfmUwO) _mH©$a Š`m h¢ ?
What are the viral markers ?

10. `H¥$V {H«$`m narjUm| (LFT) Ho$ EݵOmB_m| Ho$ Zm_ ~VmBE &
Name the enzymes of Liver Function Tests (LFT).

11. b¡ŠQ>moO \$a_|qQ>J (LF) Ordm| Ho$ Zm_ ~VmBE &
What are Lactose Fermenting (LF) organisms ?

12. {H«$E{Q>{ZZ {ZH$mgr narjU Š`m h¢ ?
What are Creatinine Clearance Tests ?

{XE JE gmV ‘| go {H$Ýht nm±M àíZm| Ho$ CÎma Xr{OE & 2×5=10
Answer any five questions from the given seven.

13. à`moJembm Ho$ CnH$aUm| H$mo H¡$go gmµ\$ Ed§ ~aH$ama (_¡ÝQ>oZ) aIm OmVm h¡ ?
How would you clean and maintain the laboratory equipments ?

14. ½byH$moµO g{hîUwVm narjU (GTT) Š`m h¡ ? g{hîUwVm narjUm| H$s AdYmaUmE± ~VmBE &
What is Glucose Tolerance Test (GTT) ? Mention the concepts of
tolerance tests.

15. àmoµ\$mBb narjUm| H$s AdYmaUmE± Š`m h¢ ?
What are the concepts of profile testings ?

16. {d{^Þ H$m{S>©EH$ àmoµ\$mBb narjUm| Ho$ Zm_ ~VmBE &
Mention the names of various cardiac profile tests.

266 4

17. Am°Q>moŠbod H$m {gÕmÝV ~VmBE &
Name the principle of Autoclave.

18. {d{^Þ _mBH$mo~¡ŠQ>r[a`_ ñnrerµO Ho$ Zm_ ~VmBE &
Name the various Mycobacterium species.

19. {d{~«`mo H$moboar Š`m h¢ ?
What are Vibrio Cholerae ?

{XE JE gmV ‘| go {H$Ýht nm±M àíZm| Ho$ CÎma Xr{OE & 3×5=15
Answer any five questions from the given seven.

20. à`moJembm Ho$ Z¡{VH$Vm Am¡a AZwemgZ H$mo n[a^m{fV H$s{OE &
Define laboratory ethics and discipline.

21. {bnmoàmoQ>rZ Ed§ Eb.S>r.EM. (LDH) Š`m h¢ ?
What are lipoproteins and LDH ?

22. Z¡Xm{ZH$ O¡d-agm`Z _| D$î_m{_{V Ho$ AZwà`moJ Š`m h¢ ?
What are the applications of calorimetry in clinical biochemistry ?

23. {d{^Þ hmBnagopÝg{Q>{dQ>r à{V{H«$`mE± Š`m h¢ ?
What are the various hypersensitivity reactions ?

24. {d{^Þ AdgadmXr H$dH$ Ho$ Zm_ ~VmBE &
Name the various opportunistic fungi.

266 5 P.T.O.

25. à{VOZ-à{Vajm (EÝQ>rOZ-EÝQ>r~m°S>r) à{V{H«$`mE± Š`m h¢ ? D$U©Z (âbmoŠ`wboeZ) narjUm| Ho$
Zm_ ~VmBE &
What are antigen-antibody reactions ? Name the flocculation tests.

26. _b narjU _| nmE OmZo dmbo {d{^Þ {gñQ>m| (nwQ>r) Ho$ Zm_ ~VmBE & CZ_| go {H$gr EH$ H$m
Zm_m§{H$V {MÌ ~ZmBE &
Name various cysts found in stool examination. Draw a labelled diagram
of any one of them.

IÊS> ~
SECTION B

{XE JE gmV ‘| go {H$Ýht nm±M àíZm| Ho$ CÎma Xr{OE & 5×5=25
Answer any five questions from the given seven.

27. àmW{_H$ {M{H$Ëgm _mn Š`m h¢ ? O¡{dH$ ˜Vam| go ~MZo Ho$ {bE gwajm hoVw H$m¡Z-gr
gmdYm{Z`m± AnZmZr Mm{hE± ?
What are first aid measurements ? What precautions should to be taken
for safety to avoid biological hazards ?

28. BboŠQ´>mo\$moao{gg Ed§ H«$mo_oQ>moJ«mµ\$s Š`m h¡ ? CZHo$ _yb {gÕm§Vm| H$m dU©Z H$s{OE &
What is electrophoresis and chromatography ? Describe their basic
principles.

29. Am_me` H$m`© narjU Š`m h¢ ? Am_me` Ðd Ho$ {díbofU Ho$ {gÕm§Vm| H$m dU©Z H$s{OE &
What are gastric function tests ? Describe the principles of analysis of
gastric juice.

30. {b{nS> àmoµ\$mBb narjU Š`m h¢ ? Hw$b gra_ H$moboñQ´>m°b n[a_mnZ H$m dU©Z H$s{OE &
What are lipid profile tests ? Describe the estimation of total serum
cholesterol.
266 6

31. S>|Jy Áda Š`m h¡ ? Amn à`moJembm _| S>|Jy Áda H$m {ZXmZ (narjU) H¡$go H$a|Jo ?
What is Dengue fever ? How will you diagnose dengue fever in the laboratory ?

32. dm`agm| H$mo H¡$go dJuH¥$V (Šbmgr\$mB©) H$aVo h¢ ? {dfmUw g§dY©Z H$s n[aJUZm H$s{OE &
How do you classify viruses ? Enumerate cultivation of viruses.

33. Bå`wZmo½bmo~w{bZm| H$mo n[a^m{fV H$s{OE & {d{^Þ àH$ma Ho$ Bå`wZmo½bmo~w{bZm| H$m dU©Z
H$s{OE &
Define immunoglobulins. Describe various types of immunoglobulins.

266 7 P.T.O.