Bio Informatics Interview Questions
Questions Answers Views Company eMail

What is Medical Informatics?

1 2023

What is an ontology?

Wipro,

1 2967

What are the current challenges in the Pharmaceutical and biotechnology sectors?

977




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?

954

A man speaks the truth 3 out of 4 times. He throws a die and reports it to be a 6. What is the probability of it being a 6?

Wipro,

2 3188

what is the image of point (3,8) in the line x + 3y = 7 ?

1072

How many bonds are present in CO2 molecule?

2 2373

what is the Reaction intermediate in Reimer-Tiemann?s reaction?

1 2547




What is the product of the irrational roots of the equation (2x-1)(2x-3)(2x-5)(2x-7)=9?

1 2525

An electron is injected into a region of uniform magnetic flux density with the components of velocity parallel to and normal to the flux. What is the path of the electron?

1 2344

If the present age of my father is 39 yrs and my present age is x yrs, what is x?

Accenture,

1 2289

If the sum of n terms of two series of A.P are in the ratio 5n+4:9n+6 .find the ratio of their 13th terms

IIT, Wipro, Deloitte,

3 25833

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

Google,

3 13777

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

2058

What is the product of the irrational roots of the equation (2x-1)(2x-3)(2x-5)(2x-7)=9?

1560


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Un-Answered Questions { Bio Informatics }

Define perl and clustalW problem?

1198


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)

10438


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?

934


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?

903


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

898






What are oesophageal molecular markers?

883


How do ESTs work?

766


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

819


How to predict the function of a gene (product)?

793


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

2058


What is C-compliator?

966


How to Insert Genomic DNA into yeast ?

748


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

917


How to Count number of nucleotide substitutions ?

942


An electron is injected into a region of uniform magnetic flux density with the components of velocity parallel to and normal to the flux. What is the path of the electron?

936