1. In case of Confounding variable which type of association is seen between disease and factor

Question 1 of 20

2. Which epidemiological study gives the most accurate result?

Question 2 of 20

3. 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 3 of 20

4. World Anti Tobacco Day is?

Question 4 of 20

5. In caries reductase test slightly conductive shows which color

Question 5 of 20

6. Late expanding stage of population in India is due to?

Question 6 of 20

7. Which of the following will cause an increase in the prevalence of disease

Question 7 of 20

8. Acceptable range of microbial load in water line of dental unit for immunocompromised patient

Question 8 of 20

9. All of the following are applications of knowing the incubation period of a disease except

Question 9 of 20

10. When chlorate in water starts to disappear and free chlorine starts to appear, it is called

Question 10 of 20

11. Standard error of mean is calculated by

Question 11 of 20

12. Which of the following methods of water fluoridation do not depend on electric assistance for water flow

Question 12 of 20

13. Comparing means of 3 different groups or datasets is best done by using:

Question 13 of 20

14. All of the following are true about standard error of mean except:

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. In a dental clinic, auxiliary perform duties after personal diagnosis and direction of dentist and patient is sent after his clearance comes under

Question 16 of 20

17. All of the following are true about cluster sampling except:

Question 17 of 20

18. In statistical studies, data represents:

Question 18 of 20

19. Saliva contains which of the following acts as defence mechanism for prevention of dental caries

Question 19 of 20

20. A standard z score is related to?

Question 20 of 20