Statistical Interpretation Practice Questions

Question 1

DNA fingerprinting can be done with all, except:

Accepted Answer

RBC

Answer

Saliva

Answer

WBC

Answer

Spermatozoa

Question 2

Best method for the detection of mutations with low allele frequency is:

Accepted Answer

Droplet digital PCR

Answer

FISH

Answer

Sanger sequencing

Answer

Nested PCR

Question 3

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

Accepted Answer

Case fatality rate

Answer

Cause specific death rate

Answer

Standardized mortality ratio

Answer

Five year survival

Question 4

Mutations are due to changes in:

Accepted Answer

DNA nucleotide sequence

Answer

RNA nucleotide sequence

Answer

Amino acid sequence of ribonuclease

Answer

Cell membrane

Question 5

Which of the following fields is primarily associated with the Hardy-Weinberg law?

Accepted Answer

Population genetics

Answer

Health economics

Answer

Social medicine

Answer

Epidemiology

Question 6

Which of the following is a stochastic effect of radiation?

Accepted Answer

Genetic mutation

Answer

Alopecia in the irradiated portal

Answer

Local desquamation in the irradiated field

Answer

All of the options

Question 7

What is the common threshold for statistical significance in hypothesis testing?

Accepted Answer

0.05

Answer

0.01

Answer

0.02

Answer

0.03

Question 8

DNA fingerprinting is used for paternity testing and forensic identification of suspects. Which of the following is the most accurate description of DNA fingerprinting?

Accepted Answer

DNA can be isolated from blood, skin, or sperm and analyzed for variable patterns of restriction fragments arising from tandemly repeated sequences (microsatellites)

Answer

DNA is isolated from blood, skin, or sperm and its fragment size distribution is analyzed by gel electrophoresis

Answer

DNA is isolated from blood, skin, or sperm and hybridized with probes from the HLA locus to visualize HLA gene patterns

Answer

DNA is copied from blood, skin, or sperm RNA using reverse transcriptase and analyzed for the pattern of complementary DNAs

Question 9

What is the underlying principle of using mitochondrial DNA rather than nuclear DNA for identification in severely degraded disaster victim remains?

Accepted Answer

Mitochondrial DNA is present in thousands of copies per cell making it more likely to be recovered

Answer

Mitochondrial DNA is more specific for individual identification

Answer

Mitochondrial DNA is not affected by environmental factors

Answer

Mitochondrial DNA analysis is less expensive and faster

Question 10

Absolute proof of monozygosity is determined by?

Accepted Answer

DNA fingerprinting

Answer

Intervening membrane layers

Answer

Sex of the babies

Answer

Reciprocal skin grafting

Statistical Interpretation — MCQs

Statistical Interpretation — MCQs

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