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Mcqs MBBS Exams India
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(Single Best Answer) Question 101: After applying a statistical test, an investigator gets the 'p value' as 0.01. It means that ?
A) The probability of finding a significant difference is 1%
B) The probability of declaring a significant difference, when there is truly no difference, is 1%
C) The difference is not significant 1% times and significant 99% times
D) The power of the test used is 99%
Answer (Select an option above to get the answer):
(Single Best Answer) Question 102: If the prevalence is very low as compared to the incidence for a disease, it implies ?
A) Disease is very fatal and/or easily curable
B) Disease is non-fatal
C) Calculation of prevalence and incidence is wrong
D) Nothing can be said, as they are independent
Answer (Select an option above to get the answer):
(Single Best Answer) Question 103: The rate adjusted to allow for the age distribution of the population is?
A) Perinatal mortality rate
B) Crude mortality rate
C) Fertility rate
D) Age-standardized mortality rate
Answer (Select an option above to get the answer):
(Single Best Answer) Question 104: The following is true about prevalence and incidence ?
A) Both are rates
B) Prevalence is a rate but incidence is not
C) Incidence is a rate but prevalence is not
D) Both are not rates
Answer (Select an option above to get the answer):
(Single Best Answer) Question 105: The national level system that provides annual national as well as state level reliable estimates of fertility and mortality is called ?
A) Civil Registration System
B) Census
C) Adhoc Survey
D) Sample Registration System
Answer (Select an option above to get the answer):
(Single Best Answer) Question 106: Mean and standard deviation can be worked out only if data is on ?
A) Interval/Ratio Scale
B) Dichotomous Scale
C) Norminal Scale
D) Ordinal Scale
Answer (Select an option above to get the answer):
(Single Best Answer) Question 107: The fasting blood levels of glucose for a group of diabetics is found to be normally distributed with a mean of 105 mg per 100 ml of blood and a standard deviation of 10 mg per 100 ml of blood. From this data, it can be inferred that approximately 95% of the diabetics will have their fasting blood glucose levels within the limits of ?
A) 75 and 135 mgs
B) 85 and 125 mgs
C) 95 and 115 mgs
D) 65 and 145 mgs
Answer (Select an option above to get the answer):
(Single Best Answer) Question 108: Mites are the vectors of the following diseases except ?
A) Scabies
B) Scrub typhus
C) Rickettsial pox
D) Kyasanur Forest Disease
Answer (Select an option above to get the answer):
(Single Best Answer) Question 109: The age and sex structure of a population may be best described by a ?
A) Life table
B) Correlation coefficient
C) Population pyramid
D) Bar chart
Answer (Select an option above to get the answer):
(Single Best Answer) Question 110: Bagassosis is most likely caused due to inhalation of the dust of ?
A) Free silica
B) Coal
C) Sugar cane
D) Cotton fibre
Answer (Select an option above to get the answer):