1. Standard error of mean is calculated by

Question 1 of 20

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

Question 2 of 20

3. Ability of the test to correctly identify those who have disease:

Question 3 of 20

4. Which of the following exposure carries the maximum risk of transmission of HIV?

Question 4 of 20

5. The best graphic representation of frequency distribution of data gathered of a continuous variable is:

Question 5 of 20

6. Outdated and expired drugs should be disposed in which of the following manners

Question 6 of 20

7. Which one of the following is a good index of the severity of an acute disease?

Question 7 of 20

8. 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 8 of 20

9. Which of the following conditions does not have a National Screening / Control Programme?

Question 9 of 20

10. Which of these is a parametric test

Question 10 of 20

11. If mean is less than the median, than the data is said to be

Question 11 of 20

12. The pattern of change of disease trends of mortality and morbidity where the pandemics of infection. are replaced by degenerative and manmade disorders as the main cause of morbidity and mortality is known as:

Question 12 of 20

13. Which of the following statements about Standard Distribution curve is true:

Question 13 of 20

14. Which epidemiological study gives the most accurate result?

Question 14 of 20

15. An investigator wants to study the association between maternal intake of iron supplements (Yes/ No) and birth weights (in gms) of newborn babies. He collects relevant data from 100 pregnant women and their newborns. What statistical test of hypothesis would you advise for the investigator in this situation?

Question 15 of 20

16. 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 16 of 20

17. Isolation is strictly recommended for

Question 17 of 20

18. Which of the following is cariogenic

Question 18 of 20

19. Adjuvant used in DPT vaccine is

Question 19 of 20

20. Power of a statistical test indicates

Question 20 of 20