Principles of Epidemiology is part of the Epidemiology section of PSM. Practise 74 exam-style MCQs for NEET PG, FMGE, INI-CET and NEET SS, each with the correct answer and a detailed explanation.
Principles of Epidemiology MCQs test the core measures — incidence versus prevalence, sentinel surveillance, person-years of observation and population genetics — so this high-yield NEET PG set rewards candidates who can apply the definitions, not just recite them.
Sample Principles of Epidemiology MCQs with answers
Sample MCQ #1
HIV prevalence can be assessed by-
ASentinel surveillance
BActive
CPassive
DRegister
Show Answer & Explanation ▾
✓ Correct Answer: A. Sentinel surveillance
Ans. is 'a' i.e., Sentinel surveillance o Sentinel surveillance in India is done in national AIDS control programme.
Sample MCQ #2
Hardly-weinberg law is related to-
APopulation genetics
BHealth economics
CSocial medicine
DNone of the above
Show Answer & Explanation ▾
✓ Correct Answer: A. Population genetics
Ans. is 'a' i.e., Population genetics Hardly-Weinberg law The hardly-weinherg law states that "The relative frequencies of each gene allele tends to remain constant from generation to generation". o Thus, the study of gene frequencies, and the influences which operate to alter the "gene pool" and their long term consequences is the central theme in population genetics.
Sample MCQ #3
If an association is found between the incidence of a disease and a certain genetically determined character
ADisease is clearly genetic in origin
BGenetic factors are at least implicated in all cases of disease
CGenetic factors are implicated in at least some of the cases of disease
DA role for environmental factors is excluded
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✓ Correct Answer: C. Genetic factors are implicated in at least some of the cases of disease
Genetic factors/Presence of family history of a disease will not be present in all cases having genetic factors Reference: Park's Preventive and social medicine, 27th edition, Chapter Principles of Epidemiology & Epidemiology methods.
Sample MCQ #4
Improved prevention of an acute nonfatal disease is likely to
ADecrease the prevalence of the disease
BIncrease the prevalence of the disease
CDecrease the incidence of the disease
DIncrease the incidence of the disease
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✓ Correct Answer: C. Decrease the incidence of the disease
Prevention of a disease will reduce the incidence and prevalence of the disease Screening will increase incidence of a disease Reference: Park's Preventive and social medicine, 27th edition, Chapter Principles of Epidemiology & Epidemiology methods.
Sample MCQ #5
All the statements are true about the disease except
AIncidence is a probability that a healthy individual will develop the disease during the specified period
BIncidence will decrease if a new drug is effective in reducing deaths from the disease
CIncidence measures the absolute risk of developing the disease
DIncidence decreases if a particular prevention program is effective
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✓ Correct Answer: B. Incidence will decrease if a new drug is effective in reducing deaths from the disease
Incidence is number of new cases developing which is not affected by treatment Prevalence decreases as treatment cures the disease Reference: Park's Preventive and social medicine, 27th edition, Chapter Principles of Epidemiology & Epidemiology methods.
Sample MCQ #6
If an effective treatment is initiated and all other factors remain the same, which of the following is most likely to happen
AIncidence will not change
BPrevalence will not change
CNeither incidence nor prevalence will change
DIncidence and prevalence will change
Show Answer & Explanation ▾
✓ Correct Answer: A. Incidence will not change
An effective treatment will reduce the number of disaeses at one point (Prevalence) It will not change new cases occurring (Incidence) Reference: Park's Preventive and social medicine, 27th edition, Chapter Principles of Epidemiology & Epidemiology methods.
Sample MCQ #7
What is the person years of observation when 25 people are studied in a study group for 30 years
A30
B75
C750
D7500
Show Answer & Explanation ▾
✓ Correct Answer: C. 750
Person Years= Number of people x years of observation= 25x30= 750 Reference: Park's Preventive and social medicine, 27th edition, Chapter Principles of Epidemiology & Epidemiology methods.
Sample MCQ #8
The incidence rate of a disease is 5 times greater in women than men, but prevalence rate shows no sex difference. The best explanation is that
ACrude Death Rate is greater in women
BCase Fatality rate for this disease is greater in women
CCase Fatality rate for this disease is lower in women
DDisease duration shorter in men
Show Answer & Explanation ▾
✓ Correct Answer: A. Crude Death Rate is greater in women
According to statement in question Females are getting disease 5 times faster than males. But any time u take a survey, the no. of cases (prevalence) among both will be almost same. The reason is either the female patients are dying fast or getting cured Prevalence= Incidence X Duration Duration low means Disease very fatal Disease easily curable Reference: Park's Preventive and social medicine, 27th edition, Chapter Principles of Epidemiology & Epidemiology methods.
What you can practise in Principles of Epidemiology
74 Principles of Epidemiology MCQs on Principles, Epidemiology — each with detailed explanations
Previous-year question practice across NEET PG, FMGE, INI-CET and NEET SS
Progress and performance tracking to measure retention
Principles of Epidemiology MCQs test the core measures — incidence versus prevalence, sentinel surveillance, person-years of observation and population genetics — so this high-yield NEET PG set rewards candidates who can apply the definitions, not just recite them.
How many Principles of Epidemiology questions are there, and which exams do they cover?
MedLadder includes 74 curated MCQs for Principles of Epidemiology under PSM (Epidemiology), covering NEET PG, FMGE, INI-CET and NEET SS preparation.
