1.
2.
3. Brain cancer
4. Ovarian cancer
Ans. -4
82. Which one of the following acts as seconds messenger?
1. Mg++
2. Cl-
3. Ca++
4. PO43-
Ans. -3
83. A nucleic acid was analyzed and found to contain 32% adenine, 18% guanine, 17% cytosine and 33% thymine. The nucleic acid must be:
1. Single-stranded RNA
2. Single-stranded DNA
3. Double-stranded RNA
4. Double-stranded DNA
Ans. -4
84. The following is a generalized diagram of a typical eukaryotic gene.
What it the most likely effect of a 2bp insertion in the middle of the intron?
1. Normal transcription, altered translation.
2. Defective termination of transcription, normal translation.
3. Normal transcription, defective mRNA splicing.
4. Normal transcription, normal translation.
Ans. -1
85. A randomized trial comparing efficacy of two regimens showed that difference is statistically significant with p<0.001>
error)a1. Type-I error (
error)b2. Type-II error (
a3. 1-
b4. 1-
Ans. -3
86. While applying chi-square test to a contingency table of 4 rows and 4 columns, the degrees of freedom would be:
1. 1.
2. 4.
3. 9.
4. 8.
Ans. -3
87. A diagnostic test for a particular disease has a sensitivity of 0.90 and a specificity of 0.80. A single test is applied to each subject in the population in which the diseased population is 30%. What is the probability that a person, negative to this test, has no disease?
1. Less than 50%
2. 70%
3. 95%
4. 72%
Ans. -4
88. A physician, after examining a group of patients of a certain disease, classifies the conditions of each one as ‘
1.
2. Interval.
3. Ratio.
4. Ordinal.
Ans. -2
89. If the birth weight of each of the 10 babies born in a hospital in a day is found to be 2.8 kg., then the standard deviation of this sample will be:-
1. 2.8
2. 0.
3. 1
4. 0.28
Ans. -1
90. Histogram is used to describe:
1. Quantitative data of a group of patients.
2. Qualitative data of a group of patients.
3. Data collected on nominal scale
4. Data collected on ordinal scale
Ans. -1
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