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

How the malaria parasite evades detection by the human immune system?

1 5202

What is the procedure for Milk ring test?

4 28491

What are the Pigments produced by Pseudomonas aeruginosa?

1 7330

Name four culture media used for Vibrio cholerae?

1 6704

What are the Two rapid tests for diagnosis of cholera?

1 4216

What is Cholera red reaction ?

1 15595

Name Escherichia coli groups causing diarrhoea?

1 4080

What is EPEC?

2 7115

The peptide bond in proteins is a) nonpolar, and fixed in a trans conformation. b) nonpolar, but rotates to three preferred dihedral angles. c) planar, and usually found in a trans conformation. d) planar, but rotates to three preferred dihedral angles.

1 4026

If the enthalpy change for a reaction is zero, DG? is equal to: a) DH? b) lnKeq c) TDS? d) -TDS?

1 3890

The nucleophile in the first stage of the serine protease mechanism is a) H2O b) the carboxyl of Asp 102 c) the hydroxyl of Ser 195 d) the imidazole of His 57

2183

The elution volume of an enzyme on a gel filtration column can be predicted from a) its enzyme activity b) its protein absorbance at 280 nm c) subunit composition and monomer molecular mass(es) d) Choices a) and b) are both correct.

3311

DNA binding by proteins with the helix-turn-helix (HTH) motif does not involve a) altered stacking of the DNA at the center of symmetry. b) hydrogen bonds, salt bridges, and van der Waals contacts. c) interactions with base pairs in the major groove of DNA. d) interactions with the sugar-phosphate backbone of DNA.

2167

The two exonuclease activities of DNA polymerase I a) are coupled during the formation of "gapped DNA". b) degrade DNA in a 5' --> 3' direction. c) degrade DNA in a 3' --> 5' direction. d) occur at two different active sites.

1 3368

A principal difference between prokaryotic and eukaryotic DNA replication is a) completely different proteins/enzymes in eukaryotes b) multiple origins in eukaryotes c) no requirement for topoisomerase activity in prokaryotes d) the absence of a nucleus in prokaryotes

9 37073

Un-Answered Questions { Biological Sciences }

Explain histogenesis?

what are the steps involved in the calibration of HPLC

2746

Which animal subsist on flesh?

1125

What is the Immuno EM for P. falciparum ?

2358

How to use Lidocaine for primary astrocyte culture purification ?

1855

Hi,I have recieved an i-20 from 2 years college for my bachelors degree,how can i convince the consular about this course i.e.computer and information science.plz help me as soon as possible.

2000

Explain what is an example of intraspecific competition?

320

What are respectively some remarkable functions of hemoglobin?

1108

What are the main products of plasma cells called?

854

Give examples of tautomers.

1222

What do popular brands of antiseptics such as dettol or savlon contain?

1085

Which element in 1A group is lighter than water?

1109

What is inert pair effect?

1384

Explain about Protein Modification (S-thiolation)?

2491

What is the germ layer from which the coeloms originate?

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