Bio Informatics Interview Questions
Questions Answers Views Company eMail

The mass number of a nucleus is (a) Always less than its atomic number (b) Always more than its atomic number (c) Sometimes more than and sometimes equal to its atomic number (d) None of the above

Wipro,

2 23580

The maximum KE of the photoelectron emitted from a surface is dependent on (a) The intensity of incident radiation (b) The potential of the collector electrode (c) The frequency of incident radiation (d) The angle of incidence of radiation of the surface

Wipro,

1 2206

Which of the following is not an essential condition for interference (a) The two interfering waves must be propagated in almost the same direction or the two interfering waves must intersect at a very small angle (b) The waves must have the same time period and wavelength (c) Amplitude of the two waves should be the same (d) The interfering beams of light must originate from the same source.

Wipro,

1 3822




When X-Ray photons collide with electrons (a) They slow down (b) Their mass increases (c) Their wave length increases (d) Their energy decreases.

Wipro,

1 4869

An electron emits energy (a) Because its in orbit (b) When it jumps from one energy level to another (c) Electrons are attracted towards the nucleus (d) The electrostatic force is insufficient to hold the electrons in orbits.

Wipro,

1 1723

How many bonds are present in CO2 molecule?

Wipro,

2 6694

In a balanced chemical equation (a) Atoms are conserved (b) Molecules are conserved (c) Moles are conserved (d) Reactant and product molecules are preserved.

Wipro,

1 19245

How many grams of NaOH will react with 0.2 equivalent of HCl? (a) 0.59 (b) 0.285 (c) 1.18 (d) none of these.

Wipro,

2 3871




Which of the following is least acidic (a) Ortho-cresol (b) Para-cresol (c) Phenol (d) Meta-cresol.

Wipro,

1 2670

In Reimer-Tiemann?s reaction, the reaction intermediate is (a) Carbene (b) Dichloro carbene (c) Carbonion (d) Carbonium ion.

Biotech, Wipro,

1 8722

Which of the following is most acidic? (a) C2H5OH (b) CH3CHOHCH3 (c) Ethanol (d) CH3OH.

Wipro,

1 3716

A catalyst (a)always slows down the reaction (b)always starts a rection that would not have ocurred at all otherwise (c)causes changes in the rate of the reaction (d)changes the quantities of the products formed.

Wipro,

1 1760

The rate of the first order reaction depends on the (a) Concentration of the reactant (b) Concentration of the product (c) Time (d) Temperature.

Wipro,

1 1895

What is the most abundant element in the universe ?

Wipro,

1 3092

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

Wipro,

919


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Un-Answered Questions { Bio Informatics }

What is Phantom Gene Sequence?

1255


How can we find the direction of an nucleotide substitution, for example; C to T or T to C?

1245


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

1258


Describe the aim of microarray data analysis?

1258


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

1158






How a cluster algorithm works?

895


What are oesophageal molecular markers?

973


What is the difference in terms of connectivity between a scale free network and random network?

768


what is the principle involved in Biometry?

1068


How the Algorithm works?

838


What is a DNA array?

889


Define perl and clustalW problem?

1295


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

919


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

1026


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

2175