Recent questions and answers in Biotechnology and its Applications

All of the following compounds are capable of forming hydrogen bonds with water except

answered May 17, 2023 by santrapragya1702

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We can avoid the insertion of undersirable gene by

answered Jul 2, 2020 by kphasnashirin

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Match the following:

answered Jun 4, 2020 by meena.clay6

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Which one of the following is most suitable medium for culture of Drosophila melanogaster?

answered Jun 4, 2020 by meena.clay6

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Natural genetic engineer is

answered Jun 4, 2020 by meena.clay6

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Bt gene which produces protein toxic to insect larvae is

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Gene targeting is commonly called

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Electroporation is used for

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In order to obtain virus free plants through tissue culture, the best method is

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The first restriction endonuclease was isolated by

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To which of the following techniques, DNA probes can be hybridized with RNA fragments.

answered Jun 4, 2020 by meena.clay6

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Microbes found to be very useful in genetic engineering are

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Assertion: Transgenic plant production is an application of plant tissue culture <br> Reason: an organism that contains and expresses a transgene is called transgenic organism.

answered Jun 4, 2020 by meena.clay6

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Assertion: In recombinant DNA technology, human genes are often transferred into bacteria or yeast <br> Reason: Both bacteria and yeast multiply very fast to form huge population , which expresses the desired gene.

answered Jun 4, 2020 by meena.clay6

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Assertion: In Plant tissue culture, somatic embryos can be induced from any plant cell. Reason: Any viable plant cell can differentiate into somatic embryos.

answered Jun 4, 2020 by meena.clay6

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Assertion: Nitrogen fixing enzyme in legume root nodules functions at low oxygen concentration <br> Reason: Low oxygen concentration

answered Jun 4, 2020 by meena.clay6

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Assertion: Flavr savr a transgenic tomato remains fresh and retains its flavor for long time. <br> Reason: Production of polygalacturonase enzymes which degrades pectin was blocked in Flavr savr

answered Jun 4, 2020 by meena.clay6

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The technique used for detecting specific target DNA is called

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Hybridomas are the fusion product of

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Which of the following enzymes is used to remove protein stains from the clothes?

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Small proteins produced by vertebrate cells, naturally in response to viral infections and those inhibit multiplication of viruses are called

answered Jun 4, 2020 by meena.clay6

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Monoclonal antibodies are used in

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To identify an individual by DNA analysis of their blood, investigators look for

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Human insulin is being commercially produced from transgenic species of

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Production of a human protein in bacteria by genetic engineering is possible because

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The second step in most of the genetic engineering experiments is

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Producing a ‘Giant mouse’ in the laboratory was possible through

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Which of the following is used as microbial insecticide?

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Vaccines produced by recombinant DNA technology are known as

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Which of the following can be controlled by using biopesticides?

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In a polymerase chain reaction, a synthetic sequence of nucleotides are involved in

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Insect resistance transgenic cotton has been produced by inserting a piece of DNA from

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Autonomously replicating circular extrachromosomal DNA is called a __

answered Jul 13, 2019 by varshneymuskan24

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Which enzyme can be used in-vitro with an oligo(dT) primer to synthesize single-stranded cDNA from mRNA templates ?

answered Apr 22, 2019 by sagar.hagawane1

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During which process, the velocity of the DNA fragments decreases as their length increases and is proportional to electric field strength ?

answered Apr 1, 2019 by shreyaphalke11

1 answer

The treatment of bacteria with ice-cold solutions of CaCl2 and then heated to 37$^{\circ}$C or 42$^{\circ}$C is the process or method called as

answered Apr 1, 2019 by shreyaphalke11

1 answer

At the origin of replication, synthesis of plasmid DNA depends on the formation of which persistent complex?

answered Apr 1, 2019 by shreyaphalke11

1 answer

Plasmid pSC101 are said to replicate under -

answered Apr 1, 2019 by shreyaphalke11

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Which of the following properties is common to all cytoskeletal motor proteins (such as kinesins, myosins and dyneins) ?

answered Dec 4, 2018 by jatavankita1993

1 answer

Normal E.coli cells are resistant to

answered Nov 22, 2017 by meena.p

2 answers

The gene gun method employs high velocity particles of ____

answered Jan 9, 2017 by suganyadevi.p

1 answer

Which plasmid vector has polycloning site consists of a tandem array of unique cleavage sites for 13 restriction enzymes: HindIIl, Spill, Pstl, SaiL Acd, HitlelI, Xiln!, BmnHI, Sma!, Xmal, Kpl1I, Sad, and EcoRl ?

answered Jan 9, 2017 by suganyadevi.p

1 answer

PCR can be used to detect

answered Jan 9, 2017 by suganyadevi.p

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The culture of unfertilized ovary that develops into a gynogenic plants refer to

answered Dec 27, 2016 by suganyadevi.p

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Which plant tissue culture technique is used to generate haploid plantlets ?

answered Dec 27, 2016 by suganyadevi.p

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Which of the following is true about RNAi techonology : a. strategy for gene silencing b. based on complementarity of the nucleotides c.inhibition occurs at the transcription level d. Inhibition occus at translation level e. occurs as a natural defense mechanism in prokaryotes

answered Dec 27, 2016 by suganyadevi.p

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The first plasmid used as cloning vector was:

answered Dec 2, 2016 by suganyadevi.p

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Undifferentiated mass of of parenchyma cells derived from plant tissues or explants is called

answered Dec 2, 2016 by suganyadevi.p

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In micropropagation, the term hardening refers to

answered Dec 2, 2016 by suganyadevi.p

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During protoplast isolation, after naked protoplast is released in pectinase, cellulase enzyme mixture, it is fused by which substance that gives low toxicity to the cells ?

answered Dec 2, 2016 by suganyadevi.p

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