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 3233

? : BGLQ : : YDIN : VAFK

Wipro,

1 5783

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

Wipro,

1 4815




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

Wipro,

3 8069

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 6704

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 8499

Define perl and clustalW problem?

Wipro,

1328

How to find patterns in noisy data?

1 1838




How to assign alpha helix & beta sheets?

Wipro,

1 2022

What is C-compliator?

1096

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

1009

Explain microarray data clustering ?

1 2336

How to find coexpressed genes on NCBI GEO?

1117

Derive e-value ?

2 5781

Explain Homology modelling?

1 2746


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Un-Answered Questions { Bio Informatics }

What does the ultrametric property of a tree tell us about the evolutionary process?

1256


What is a DNA array?

920


what is the principle involved in Biometry?

1092


What are the main differences between parsimony,distance and likelihood-based algorithms?

1037


Define perl and clustalW problem?

1328






How to find coexpressed genes on NCBI GEO?

1117


How long will a train 100m long traveling at 72kmph take to overtake another train 200m long traveling at 54kmph?

2200


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?

1084


How do ESTs work?

906


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?

1050


Can DeCypher be used for protein struc-ture modeling?

1030


How to find a sequence of dna molecule?

950


Draw the E-R diagram for the database of a departmental store having the following relational database scheme Employees(e-no, address) Department(d-name) work-n(e-no, d-name) Looking-after(d-name, e-no) Item (item-no, brand-name, model-no, cost-price, sale-price)

11002


Integrate 3x + 5 / (x3-x2-x+1)?

941


Explain about needleman-wunsch algorithm?

1149