Kerala PSC Previous Years Question Paper & Answer

Title : Research Officer- Chemistry/ Biochemistry
Question Code :

Page:11


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Research Officer- Chemistry/ Biochemistry' And exam conducted in the year 2023. And Question paper code was '027/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.

page: 11 out of 23
Excerpt of Question Code: 027/2023/OL

D:-None of the above
Correct Answer:- Option-D

Question44:-Classify the drug based on its source

A. Digoxin i. Microbial
8.6۷۱۲ ii. Synthetic
Cc. Dextran ர்‌. Plant

D. Aspirin iv. Animal

A:-A-i, B-ii, C-iii, D-iv
B:-A-iii, B-iv, C-i, D-ii
C:-A-ii, B-iii, C-iv, D-i
D:-A-iv, B-i, C-ii, D-iii
Correct Answer:- Option-B

Question45:-Drug distribution will be influenced by
A. Tissue/organ blood flow

B. Physicochemical properties of the drug

C. Influx and efflux transporters

D. Plasma protein and tissue binding

A:-A, B and C only
B:-A, C and D only
C:-All of the above
D:-A, B and D only
Correct Answer:- Option-C

Question46:-The complement system is a potent mediator of inflammation and
destruction and could cause extensive damage to host cells if uncontrolled. The
complement system is tightly regulated by inhibitory/regulatory proteins. The
following is the list of the key regulatory proteins that regulate the complement
system. Match the regulatory proteins of the complement system with the stated
functions.

A. Cl Inhibitor i. Enzymatically inactivities C4b and C3b

B. DAF ii. Promotes C3b and C4b inactivation

Cc. MCP iii. Binds to Clr and Cls prevents further activation of C4 and
2

0. Factor | iv. Inactivates C3b and C4b

A:-A-ii, B-i, C-iv, D-iii
B:-A-iii, B-iv, C-ii, D-i
C:-A-i, B-ii, C-iii, D-iv
D:-A-iv, B-iii, C-i, D-ii
Correct Answer:- Option-B

Question47:-Which of the following statements regarding the live attenuated
vaccine is incorrect?

A:-This vaccine is prepared using the whole weakened form of the pathogen
that causes a disease

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Research Officer- Chemistry/ Biochemistry : Video