Bio Informatics Interview Questions
Questions Answers Views Company eMail

If y=cos-1(cosx + 4sinx)/(17)1/2, then dy/dx is ?


1 3513

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?

TCS, Wipro,

1 2891

If the letters of the word ?rachit? are arranged in all possible ways and these words are written out as in a dictionary, what is the rank of the word ?rachit?. (a) 485 (b) 480 (c) 478 (d) 481

Wipro, Virtusa, LG,

8 27873

Ravi?s salary was reduced by 25%.Percentage increase to be effected to bring the salary to the original level is (a) 20% (b) 25% (c) 33 1/3% (d) 30%


3 6279

A and B can finish a piece of work in 20 days .B and C in 30 days and C and A in 40 days. In how many days will A alone finish the job?

Wipro, Infosys,

5 22275

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


2 6572

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


2 10092

Which of the following parameters is the same for molecules of all gases at a given temperature? (a) Mass (b) Momentum (c) Speed (d) Kinetic energy.

IBM, Wipro, SIR,

1 3817

A solid is completely immersed in liquid. The force exerted by the liquid on the solid will (a) Increase if it is pushed deeper inside the liquid (b) Change if its orientation is changed (c) Decrease if it is taken partially out of the liquid (d) None of the above.


2 3121

Select the correct statements (a) A simple harmonic motion is necessarily periodic (b) An oscillatory motion is necessarily periodic (c) A periodic motion is necessarily oscillatory (d) All of the above.


2 2817

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?



A constant voltage is applied between the 2 ends of a uniform metallic wire. Some heat is developed in it. The heat developed is doubled if (a) both the length and radius of the wire are halved. (b) both the length and radius of the wire are doubled (c) the radius of the wire is doubled (d) the length of the wire is doubled.


1 4259

If Young?s double slit experiment is performed in water (a) the fringe width will decrease (b) the fringe width will increase (c) the fringe width remains unchanged (d) there will be no fringe.


3 6715

The shape of a spot of light produced when bright sunshine passes perpendicular through a hole of very small size is (a) Square, because the hole is a square (b) Round, because it is an image of the sun (c) Round with a small penumbra around it (d) Square with a small penumbra.


1 2357

Some forms are books. All books are made of paper (a) Some forms are made of paper (b) Some forms are not made of paper (c) No forms are made of paper (d) None of the above.


1 3662

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Un-Answered Questions { Bio Informatics }

Explain about needleman-wunsch algorithm?


What is the criteria for LTQ (LC-MS/MS) SEQUEST search?


can u give me an example of a project you were involved with that illustrates your interest and skills in bringing people together?


What is the secondary structure of intron ?


How do you find the most recent human sequence data in the data bases inorder to determine physical maps?


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


What two possibilities are there to describe how gene fragments may have evolved?


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?


Suppose you used the NCBI Blast server to look for a match to a fruit-fly gene. Suppose further that the best alignment contained this section of an alignment: Hit from database: XXXXXXXXXXXXXXNFSTSQ User sequence: SLEAEAAPASISPSNFSSSQ What do the Xs signify?


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


what is an active ? (UML)


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)


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?


Will the plant able to produce electricity when the soil is dried up


How to Insert Genomic DNA into yeast ?