Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Station Officer (Trainee)' And exam conducted in the year 2023. And Question paper code was '018/2023'. 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.
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018/23
The long cotton hair obtained from Gossypium herbaceum is
A) Lodicule B) Lemna
C) Lint D) Fuzz
Select the species endangered in India.
A) Green sea turtle B) Dodo
C) Passenger pigeon D) Pink headed duck
Select the primary air pollutant.
A) smog B) tropospheric ozone
C) peroxyacyl nitrate D) ethylene
12 3
The Rank of the matrix A=|2 3 4} is
3 5 7
A) 2 B) 3 Cc) 4 D) 5
Which of the following sets of vectors are bases for R? ?
A) {(0, 1), (1, 1)} 8) (0, 1), 1,0)
0) (0,0, (1,1) 0) (1,1), (1,0)
If Z is the conjugate of z, then
A) [Z| = |z| 8) || «| ©) 2212 D) None of these
If Z is the conjugate of z, then
1 = 1 =
A) Rez=—(2+2) B) Rez => (2-2) 0) 82-2 0) Rez=—z
The distance between the points P(—7, 2) and Q(5, —3) is
A) 15 B) 14 C) 13 D) 12
The limit of (x? — 4x +3) as x > 5is
A) 10 B) 7 08 D) 12
The limit of 7x5 — 4x3 + 2x — 9 as x > —« is
A) + 8) -ಂ ൭0 D) None of these