Kerala PSC Previous Years Question Paper & Answer

Title : Scientific Assistant (Biochemistry)
Question Code :

Page:14


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name ' Scientific Assistant (Biochemistry)' And exam conducted in the year 2023. And Question paper code was '107/2023/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: 14 out of 20
Excerpt of Question Code: 107/2023/OL

A:-Both Statement | and Statement II are correct
B:-Both Statement | and Statement II are incorrect
C:-Statement | is correct but Statement II is incorrect
D:-Statement | is incorrect but Statement II is correct
Correct Answer:- Option-C

Question68:-ldentify correct statements about Glycogen and its storage disorders
1. Glycogen is the major storage carbohydrate of animals and a branched
polymer of a-D-Glucose

2. it occurs mainly in liver (upto 6%) and muscle where it rarely exceeds 1% of
its weight

3. liver glycogen is the readily available source of glucose for glycolysis.

4. liver contains 3 to 4 times as much glycogen as does muscle

5. Glycogen Storage Diseases (GSDs) are inherited disorders with abnormal
deposition and deficient mobilization of gycogen.
Choose the correct answer from the options given below :

A:-2, 4, and 1 only

B:-1, 2 and 5 only

C:-2 and 3

D:-4, 3 and 5 only
Correct Answer:- Option-B

Question69:-In Jaundice (Icterus) excessive bilirubin catabolism and clearance
occurs in the following sequence

1. _ bilirubin formed in peripheral tissues is transported to the liver by plasma
albumin

2. — bilirubin is conjugated with glucoronic acid by Bilirubin-UGT activity

3. Uptake of bilirubin by liver parenchymal cells through facilitated transport
system

4. Secretion of conjugated Bilirubin into Bile by an active transport mechanism
5. Bilirubin is derived from hemoglobin destruction, ineffective erythropoiesis and
from other heme proteins like cytochrome P450

choose the correct answer from the options given below :

A:-5, 1, 3, 2,4
8:-3, 2, 4, 1, 5
(:-4, 5, 2, 1, 3
0:-5, 1, 3, 4, 2
Correct Answer:- Option-A

Question70:-Insulin is released into the blood stream in response to hyperglycemia
1. ATP sensitive x+ channels are inhibited causing membrane depolarization

2. There is influx of ca2+ions within the B cells

3. There is exocytosis of insulin into the blood

4. The ® cells of the Islets of Langerhans are freely permeable to glucose via.
GLUT-2 receptors

5. Glucose increases the metabolic flux and increases ATP production in the B

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Scientific Assistant (Biochemistry) : Video