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 to determine if bacteria is sensitive to an antibiotic?

2154

What are Beta-lactams?

2 5132

What diseses does the Epstein Barr Virus cause?

1 4141

what is a cytopathic effect?

2 5019

Compare and contrast feedback inhibition and enzyme repression?

9823

A base deletion occurs in the regulator gene of the LAC operon. Describe how the operation of the LAC operon might be affected?

2020

A single base exchange mutation occurs in the promoter of the TRP operon. How the operation of the HIS operon might be affected in two ways?

2316

How the positive and negative DNA markers are used in genetic engineering?

2269

Differentiate between biotechnology and bioengineering?

2442

What are the 8 steps that are involved in genetic engineering?

3934

You want to select a bacterium that has obtained a genetic marker conferring resistance to tetracycline. How would you accomplish this?

1 2964

How restriction enzymes,DNA probes are used in genetic engineering?

1 3495

What is the difference betwee bacteriostatic and bacteriocidal?

2 5141

What evidence can you cite that suggests that rheumatic fever is an autoimmune disease?

1997

Describe the stages and symptoms of Syphilis?

1 4595

Un-Answered Questions { Biological Sciences }

What is yolk sac? How is it formed?

Can transfect reagent be frozen?

1907

Can reconstituted SMP be autoclaved?

2252

How to find coexpressed genes on NCBI GEO?

2276

What are the differences between entropy, free energy, and enthalpy?

1914

What are pentoses?

1044

What is the trouble in growing streptococcus species?

2191

Explain the mechanism of antibacterial action?

2085

What is the molecule responsible for the absorption of photic energy for photosynthesis?

918

What is harmonious ecological interaction?

339

Who invented gram stain?

1158

Explain the main products of plasma cells called?

815

What percentage of the world's photosynthesis is produced by trees alone?

1859

What do facilitated diffusion and active transport have in common? What are the differences between them?

1012

Why is triploblast more advanced than diploblast?

2321

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