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

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

1864

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

2218

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?

1937

Suppose the Blast search returned 100 hits. Of these, 17 were false positives and we knew that there were 165 sequences in the database which should have returned a hit with our sequence. How many false negatives were there, and what is the sensitivity and selectivity of Blast in this instance?

2292

If a match from a sequence database search is reported to have an E-value of 0.0, should it be considered highly insignificant or highly significant?

1 3414

What is the idea behind ?weighting? sequences in the package CLUSTAL W for multiple alignment? How are these weights calculated?

2000

what is pollen prepotency?

4 14819

Why are Plasmodiophoromycetes not true fungi?

3076

You receive a package that contains plants that may have been injured by herbicide drift or may have a virus. With no further information, how might you determine which is the problem?

1977

For which nematode problem would you suggest use of a genetically resistant cultivar and why?

1894

What is an advantage and a disadvantage to the use of meristem culture for the production of propagative plant material ?

1 17530

Who provided the experimental evidence that led to the gene- for-gene theory?

1 3562

What are 2 features of Oomycetes that exclude them from the true Fungi?

1936

What are 2 ways that bacterial diseases are different from most fungal diseases of plants?

1964

Name the closed sexual fruiting body of powdery mildew fungi?

2 4816

Un-Answered Questions { Biological Sciences }

what is the best cell culture media for in vivo imaging ?

1952

Explain the difference between primary ecological succession and secondary ecological succession?

274

How does sodium thiosulphate affect yeast?

1723

Is L-glutamine easily degrade in RPMI1640?

1841

What is the difference between the concepts of community and population?

354

How are free energy, equilibrium and spontaneity related to each other?

2136

To calculate the e.m.f of the cell when does the nelsons equation is use?

1059

what is antibacterial index

2368

Which metal is more metallic in nature among 1A group elements?

1037

what is Hoechst or PI double staining ?

3593

Explain the main intraspecific ecological interactions?

239

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.

1903

How many interviews have you had and how do you feel about this company compared to others?

2005

How different are the concepts of migration, emigration, and immigration

334

Which animal is a glutton?

1167

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