Kerala PSC Previous Years Question Paper & Answer
Page:14
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Scientific Officer - Chemical Examiners Laboratory' And exam conducted in the year 2021. And Question paper code was '040/2021'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
040/21
88. Which of the following is the correct sequence of F-number with respect to passage
of light through the lens ?
89.
90.
91.
92.
93.
A) F/2.0 > F/2.8 > F/4.0 > F/5.6
B) F/2.8 > F/2.0 > F/4.0 > F/5.6
©) F/4.0 > F/5.6 > F/2.8 > F/2.0
0) F/5.6 > F/4.0 > F/2.8 > F/2.0
Match the following List | with List - ۰
List -1 List - Il
a. Double diffusion in one dimension i. Ouchterlony method
b. Single diffusion in two dimensions ர். Mancini method
c. Double diffusion in two dimensions iii. Oudin method
d. Single diffusion in one dimension iv. Oakley-Fulthorpe method
Choose the correct option f
a b ¢ ५
A) i iii iv ர்
B) iv ர் i iii
©) i ர் iii iv
D) iv iii i ர்
10111 those given below :
Which of the following methods for determination of blood group in dried bloodstain
is based on the detection of
A) Absorption elution meth
C) Mixed agglutination method
Reaction in Barberio’s test
presence of which of the fo
A) Spermine
C) Choline
Which of the following po!
individuals ?
antibody ?
06 B) Lattes’ crust method
D) Absorption inhibition method
௦ the chemical examination of seminal fluid detects the
lowing ?
B) Pyruvate
D) Ascorbic acid
lymorphic markers shows the least variation between
A) 018551 8) T
POX ©) D21811 D) FGA
“Squash” on the printed document is the characteristics of which of the following
printing techniques ?
A) Gravure
C) Letterpress
B) Lithography
D) Laser