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?

1903

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

2260

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?

1992

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?

2323

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 3510

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

2040

what is pollen prepotency?

4 14989

Why are Plasmodiophoromycetes not true fungi?

3125

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?

2022

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

1934

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

1 17628

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

1 3650

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

1987

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

2025

Name the closed sexual fruiting body of powdery mildew fungi?

2 4925

Un-Answered Questions { Biological Sciences }

Explain the analyses provided by the study of human age pyramids?

293

Explain the riboflavin assay ?

1925

why the word trasfection is prefers for transfer of genetic material through non viral particles ineukaryote not for prokaryote?

1156

What are the two ways that animal viruses may penetrate their host cell?

2938

Define bioremediation?

302

How does gross primary production(gpp) relate to photosynthesis?

285

tell me what is the interview when some one want to get a job in this company?

2291

how compiler treats variables of recursive functions

1147

How does a random coil differ from an irregularly structured region?

2208

Explain the tallness trait of a pea plant moving separately from the color trait an example of?

1081

Describe the antiviral activity screening facilities ?

2129

What are chloroplasts? What is the main function of chloroplasts?

882

Is herbivorism a form of predatism?

303

Explain the commensalism?

295

Which is the mammal that can differentiate between different colors?

1026

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