1. Bias can be eliminated by all except:

Question 1 of 20

2. Not true about propagated epidemics

Question 2 of 20

3. In an epidemiological study, the first case which comes to the attention of the investigator is

Question 3 of 20

4. Food with maximum Cholesterol content

Question 4 of 20

5. The avian flu H5N1 has high mortality in humans. However it has not been able to become a pandemic infection. What is the reason:

Question 5 of 20

6. Screening of oral cancer comes under which level of prevention:

Question 6 of 20

7. In 3x3 table, the degree of freedom is

Question 7 of 20

8. What is the percentage of chlorohexidine when used as a handrub:

Question 8 of 20

9. Standard error of mean is calculated by

Question 9 of 20

10. QLF light emits blue colour when it is reflected on carious tooth which light is emitted?

Question 10 of 20

11. Age was found to be a factor affecting the relation of diabetes mellitus and periodontics

Question 11 of 20

12. All of the following statements regarding disposal of biomedical waste are true, Except

Question 12 of 20

13. Education of young children in school about the harmful effects of soft foods leading to caries is done to prevent dental caries. What is this type of prevention called

Question 13 of 20

14. Which of the following types of bias can be reduced by allowing equal interview time

Question 14 of 20

15. Residence of three village with three different types of water supply were asked to participate in a study to identify cholera carrier. Because several cholera deaths had occurred in the recent past, virtually everyone present at the time submitted to examination. The proportion of residents in each village who were carriers was computed and compared. This study is a:

Question 15 of 20

16. According to concept of primary health centre hilly areas cover a population of

Question 16 of 20

17. Which study is used to evaluate the incidence of caries in 12 years old children in a Madhya Pradesh school

Question 17 of 20

18. A screening test is used in the same way in two similar populations; but the proportion of false positive results among those who test positive in population A is lower than those who test positive in population B. What is the likely explanation?

Question 18 of 20

19. A high school child trained to teach dentistry to elementary children in school

Question 19 of 20

20. According to Consumer Protection Act 1987, compensation against State consumer protection forum can be made up to

Question 20 of 20