Kerala PSC Previous Years Question Paper & Answer
Page:12
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Laboratory Assistant Common Facility Service Centre' And exam conducted in the year 2023. And Question paper code was '019/2023/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.
C:-Only ii and iii
D:-Only iii and iv
Correct Answer:- Option-C
Question62:-The process of increasing atmospheric temperature as a result of
increase in the amount of carbon dioxide in the atmosphere is called
A:-Global warming
B:-Greenhouse effect
C:-Eutrophication
D:-Acid rain
Correct Answer:- Option-B
Question63:-Find A and B in the following chemical reaction
०003124 > 0०10 + प्र 0418
A:-A is HCI and B is co,
B:-A is co, and B is HCI
C:-A is 420 and B is co,
D:-A is HCI and B is Ca
Correct Answer:- Option-A
Question64:-Graphite is a good conductor of electricity. Which of the following
statement justify your answer ?
A:-Absence of free electron in graphite
B:-Presence of free electron in graphite
C:-Presence of ionic bond in graphite
D:-None of the above
Correct Answer:- Option-B
Question65:-When a person inhale Carbon monoxide, the haemoglobin present in
his blood reacts with carbon monoxide and form a compound which decreases the
oxygen carrying capacity of haemoglobin and the person may die. Name the
compound formed
A:-Oxy haemoglobin
B:-Oxy myoglobin
C:-Carboxy haemoglobin
D:-Carboxy myoglobin
Correct Answer:- Option-C
Question66:-Pick the correct statement about hydrocarbons
A:-Hydrocarbons contains carbon and oxygen
B:-Hydrocarbons contains carbon, nitrogen and oxygen
C:-Hydrocarbons contains carbon, hydrogen and oxygen
D:-Hydrocarbons contains carbon and hydrogen