1. In epidemiology, a sample is:

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2. Which of the following tests is applied in case of Sample size > 30 which is following normal distribution:

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3. Most common occupational cancer in India?

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4. Which epidemiological study gives the most accurate result?

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5. A dentist assigns a specific task to be done on a patient to a junior doctor. The dentist remains in the set up while the task is carried out but does not continuously watches the task is being carried out. What is this called:

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6. What of the following is the best method to measure the degree to which two variables move together in a distribution

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

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

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

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10. A standard z score is related to?

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11. Vitamin A prophylaxis is an example of

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12. Helsinki declaration is for

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13. Bias can be eliminated by all except:

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

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15. Method of identifying missing and supplementing case is patient is:

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16. Standard error of mean is calculated by

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17. First and foremost, step in biomedical waste disposal is:

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

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19. Disinfectant used for blood spills

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20. Which of the following is true about Epidemiological survey as compared to clinical trial: 1. Sample size small 2. Cross sectional and longitudinal approach 3. Dental indices are used 4. Control and experimental group

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