Kerala PSC Previous Years Question Paper & Answer
Page:8
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.
A:-The strength of the current through the coil
B:-Number of turns of the coil
C:-Both (1) and (2)
D:-Independent of current and number of turns
Correct Answer:- Option-C
Question40:-In terms of working principle, which one among the following is
different from others ?
A:-Soldering iron
B:-lmmersion water heater
C:-Microwave oven
D:-lron box
Correct Answer:- Option-C
Question41:-Electron was discovered by
A:-Rutherford
B:-J J Thomson
C:-Max Planck
D:-Julius Plucker
Correct Answer:- Option-B
Question42:-The chargeless particle present inside the nucleus of an atom is
A:-Proton
B:-Electron
C:-Neutron
D:-Positron
Correct Answer:- Option-C
Question43:-The atomic number of an atom is
A:-Number of electrons/protons in an atom
B:-Total number of protons and neutrons in an atom
C:-Number of neutrons in an atom
D:-Total number of electrons and protons in an atom
Correct Answer:- Option-A
Question44:-The atomic number of an atom is 17 and mass number is 35. The
number of protons, neutrons and electrons in the atom respectively are
A:-17, 18, 18
B:-17, 17,17
C:-18, 17, 35
D:-17, 18, 17