Biological Sciences Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Biological Sciences Interview Questions

Questions Answers Views Company eMail

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 6809

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 3468

How many bonds are present in CO2 molecule?

Wipro,

2 9331

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 22721

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 6089

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

Wipro,

1 4463

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

Biotech, Wipro,

1 12016

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

Wipro,

1 6306

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 3754

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 3447

What is the most abundant element in the universe ?

Wipro,

1 4739

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

Wipro,

2261

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

Wipro,

1 5553

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 5073

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

LG, Virtusa, Wipro,

8 39787

Un-Answered Questions { Biological Sciences }

What are pericardium?

how to use mitotracker to assay mitochondria in tissue?

4058

What is the formula of hypo in oxidation state of sulphur?

1101

How is Genetic Engineering currently used?

2424

What is the state of inland fisheries?

2189

Explain the synchronization of cancer cells ?

1888

What are cold methods of acid fast staining?

1184

What are the morphological, chemical and functional similarities and differences between lysosomes and peroxisomes?

899

Which are the animals that live in cold regions?

1031

Glycolysis is A) C6H12O6 --> 2C2H5OH + 2CO2 B) C6H12O6 --> 2CH3H4O3 + 4H c) C3H4O3 + NAD --> C2H5OH + CO2 NAD D) C6H12O6 + 6H20 --> 6CO2 + 6H2O

3149

Explain the uses of squid fins?

910

Define a population?

355

What is the VOR in primates?

1973

What is the difference between plasma membrane and cell wall?

865

How is the mesoderm of triploblastic animals formed?

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