Bio Informatics Interview Questions
Questions Answers Views Company eMail

All toffees are chocolates. Some toffees are not good for health. (a) Some chocolates are not good for health (b) Some toffees are good for health (c) No toffees are good for health (d) Both (a) and (b).

Wipro, NetSol,

1 3088

? : BGLQ : : YDIN : VAFK

Wipro,

1 5298

NLO : RPS : : ? : ZXA (a) VUW (b) VTR (c) VTW (d) TRP

Wipro,

1 4518




If ?segment? is coded as rffndou, then ?ritual? is coded as (a) shutbm (b) qjutbk (c) qhutbk (d) qhubtk

Wipro,

3 7383

If ?football? is ?cricket? ,?cricket? is ?basketball? ,?basketball? is ?volleyball?,?volleyball? is ?khokho? and ?khokho? is cricket, which is not a ball game? (a) cricket (b) football (c) khokho (d) basketball.

Syntel, Wipro,

3 6516

Which of the following is a recursive set of production (a) S ?> a|A, A ?> S (b) S ?> a|A, A ?> b (c) S ?>aA, A?>S (d) None of these.

Wipro,

2 8165

Define perl and clustalW problem?

Wipro,

1241

How to find patterns in noisy data?

1 1729




How to assign alpha helix & beta sheets?

Wipro,

1 1903

What is C-compliator?

1020

How to caculate coordinates of each atoms on 3 D HP model?

932

Explain microarray data clustering ?

1 2229

How to find coexpressed genes on NCBI GEO?

1041

Derive e-value ?

2 5598

Explain Homology modelling?

1 2638


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Un-Answered Questions { Bio Informatics }

Suppose the Blast search returned 100 hits. Of these, 17 were false positives and we knew that there were 165 sequences in the database which should have returned a hit with our sequence. How many false negatives were there, and what is the sensitivity and selectivity of Blast in this instance?

943


How to find a sequence of dna molecule?

887


How to find coexpressed genes on NCBI GEO?

1041


What is C-compliator?

1020


Is there is best online Training for Bioinformatics

1240






Bootstrap analysis evaluates evolutionary trees by sampling columns from the original alignment with replacement (multiplying or removing some of them) and computing a proportion of times that a particular branch appears in the resulting trees. What is the main idea behind this approach?

976


A certain radioactive element A, has a half life = t seconds. In (t/2) seconds the fraction of the initial quantity of the element so far decayed is nearly how much?

1013


Explain about needleman-wunsch algorithm?

1078


Describe the aim of microarray data analysis?

1215


How to Count number of nucleotide substitutions ?

994


How to find flanking region ?

1170


What is the input and outpit of a distance based algorithm?

961


How to run DOCK 6 using cygwin?

4523


What are oesophageal molecular markers?

925


NLO : RPS : : ? : ZXA

1029