M.Sc. (Semester II) (CBCS) Examination, 2017
MICROBIOLOGY
BIOINFORMATICS BIOSTATISTICS
Day Date: Friday, 28-04-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
Instructions: Part-I Question 1 is compulsory
Attempt any 4 questions from Part II
Figures to the right indicates full marks
Answer to the Part I and Part II are to be written in the same answer
booklet only.
Part I
Q.1 Rewrite the sentence by choosing correct alternatives from the
following:
14
Probability always lies between
0 to 2 to1 0 to 1 0 to infinity
Discrete variable takes
Particular values Values between range
Only negative values None of these
The result of statistical test, denoted shall be interrupted as follows

the null hypothesis H0 is rejected if p<0.05
the null hypothesis is H0 is rejected if p>0.05
the alternate hypothesis H1 is rejected if p>0.05
the null hypothesis is H0 is accepted if p<0.05
is least affected by extreme value
Median Mean Mode Variance
By using histogram we find
Mean Median Mode None of these
Hypothesis of no difference is called as
Null hypothesis Alternative hypothesis
Simple hypothesis Composite hypothesis
Mean of poisson distribution is
Λ λ2 λ2+ λ λ3
is used for goodness of fit.
Binominal` Normal
Chi-square Poisson
Page 1 of 2
is a structure database.
PDB SWISS-PROT Gen Bank TrEMBL
10) Gen Bank has
4 11 13 17
11) In a phylogenetic tree Root represents
Common ancestor taxa
Branching Species
12) Swiss-Prot is a
Nucleic and sequence database Structure database
Protein sequence database Composite database
13) TrMBL contains all the translations of sequences from
DDBJ EMBL GenBank PDB
14) DDBJ stands for
DNA Data Base of Japan DNA Data Bank of Japan
DNA Data Book of Japan None of these.
Part II
Answer any four questions from the following:
Q.2 What is ExPASy? Discuss various tools available at ExPASy. 14
Q.3 Explain homology modeling. Add a note on BLAST 14
Q.4 Give a detailed account on nucleic acid databases 14
Q.5 Write short answer (any 14
Explain in detail stratified cluster sampling.
What is dispersion? Explain its measures.
Describe briefly regression methods.
Q.6 Write short notes on any two: 14
What id F-Test? Explain with example.
Define alternative hypothesis with examples.
Describe in detail one tailed two tailed test.