1. In a community trial, every 5th house in a village was selected for sampling. This type of sampling is called as

Question 1 of 20

2. Live viral vaccine is

Question 2 of 20

3. Which of the following is cariogenic

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4. Term Colorado stain was given by

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

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

Question 6 of 20

7. Patient can be diagnosed for improper oral hygiene maintenance by

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8. 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 8 of 20

9. A child shows skeletal fluorosis when he is drinking water for a long time with excess fluoride level of:

Question 9 of 20

10. Ability of screening test to correctly identify the disease

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11. In which of the following disease, the overall survival is increased by screening procedure

Question 11 of 20

12. Student t test - true is?

Question 12 of 20

13. In statistics, sample represents:

Question 13 of 20

14. In a study, significant relation is found between obesity and caries. However, the data for the study was collected only from food manufacturers and hospitals. This type of study design is called

Question 14 of 20

15. Disposal method of outdated cytotoxic drugs is:

Question 15 of 20

16. In calculating Dependency Ratio, the numerator is expressed as :

Question 16 of 20

17. Scalogram is another name for

Question 17 of 20

18. Method commonly used to represent variations around mean:

Question 18 of 20

19. Chronic carrier state is seen in all except

Question 19 of 20

20. Prevalence of disease will decrease in all of the following scenarios, except

Question 20 of 20