## Kerala PSC Previous Years Question Paper & Answer

Title : Assistant Professor in Community Dentistry NCA Kerala Medical Education Service
Question Code : A

Page:6

Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Professor in Community Dentistry NCA Kerala Medical Education Service' And exam conducted in the year 2019. And Question paper code was '063/2019/OL'. 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.

page: 6 out of 11
Excerpt of Question Code: 063/2019/OL

Question48:-In Correlation, the shape of the curve is
A:-Skewed towards right side
B:-Skewed towards left side
C:-Both of the above
D:-Dumbbell shaped
Question49:-MeanA:-Positively skewed distribution
B:-Negatively skewed distribution
C:-Standard normal distribution
D:-None of the above
Question50:-In a standard normal distribution, Mean +3 Standard Deviation which covers about 99% of data, the Z-score is
taken as
Al
B:-2
6:25
0:-3.5
Question51:-Which among the following is NOT a feature of parametric tests
A:-Distribution is assumed to be normal
B:-Data is in Interval scale or Ratio scale
C:-Data set relationships are independent in nature
D:-The correlation test used in Spearman's cormrelation
Question52:-Sensitivity of a biochemical test is
A:-The closeness with which measured values agree with true value
B:-The ability to identify correctly all those who have the disease
C:-The ability to identify comrectly all those who do not have the disease
D:-BothAand B
Question53:-Reliability and repeatability can be measured by
A:-Correlation
B:-Regression
C:-Both of the above
D:-None of the above
Question54:-Fluoride as an element was discovered by H.v. Churchill in the year
A:-1901
B:-1931
C:-1941
D:-1945
Question55:-The Turku sugar study on diet and dental caries was conducted by
A:-Gustafsson et al in 1954
B:-Scheinin and Makinen in 1975
C:-Sullivan and Haris in 1963
D:-None of the above
Question56:-In the Lactobacillus count test, which reading is inferred as moderate risk
A:-1000-5000
B:-5000-10000
C:-More than 10000
D:-More than 15000