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Biotechnology

Neutralized activated charcoal is occasionally added to young regenerating cultures to

Biotechnology, Media Required For Plant Cell Culture /
Question: Neutralized activated charcoal is occasionally added to young regenerating cultures to
[A].

remove toxic phenolics produced by the stressed plant cell

[B].

help to remove plants growth regulators introduced at an earlier stage

[C].

both (a) and (b)

[D].

maintain the pH of the medium

Answer: Option C

Explanation:

No answer description available for this question.

Neutralized activated charcoal is occasionally added to young regenerating cultures to Read More »

Biotechnology, Media Required For Plant Cell Culture

Nitrogen in the plant cell culture media is provided by either ammonia or nitrate salt. In the media

Biotechnology, Media Required For Plant Cell Culture /
Question: Nitrogen in the plant cell culture media is provided by either ammonia or nitrate salt. In the media
[A].

utilization of ammonium cause culture pH to drop while utilization of nitrate cause culture pH to rise

[B].

utilization of nitrate cause culture pH to drop while utilization of ammonium cause culture pH to rise

[C].

utilization of both ammonium and nitrate result in rise in pH

[D].

utilization of both ammonium and nitrate result in drop in pH

Answer: Option A

Explanation:

No answer description available for this question.

Nitrogen in the plant cell culture media is provided by either ammonia or nitrate salt. In the media Read More »

Biotechnology, Media Required For Plant Cell Culture

In plant cell culture media, auxins and cytokinins are used in the range of

Biotechnology, Media Required For Plant Cell Culture /
Question: In plant cell culture media, auxins and cytokinins are used in the range of
[A].

l-50μM

[B].

50-100μM

[C].

100-125μM

[D].

more than 125μM

Answer: Option A

Explanation:

No answer description available for this question.

In plant cell culture media, auxins and cytokinins are used in the range of Read More »

Biotechnology, Media Required For Plant Cell Culture

Co-integrating transformation vectors must include a region of homology in

Biotechnology, Gene Transfer In Plants /
Question: Co-integrating transformation vectors must include a region of homology in
[A].

the vector plasmid

[B].

the Ti-plasmid

[C].

between vector plasmid and Ti-plasmid

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

Co-integrating transformation vectors must include a region of homology in Read More »

Biotechnology, Gene Transfer In Plants

In the liposome mediated gene transfer in plants, nucleic acids are

Biotechnology, Gene Transfer In Plants /
Question: In the liposome mediated gene transfer in plants, nucleic acids are
[A].

protected from nuclease digestion

[B].

stable in liposomes

[C].

both (a) and (b)

[D].

not stable in liposomes

Answer: Option C

Explanation:

No answer description available for this question.

In the liposome mediated gene transfer in plants, nucleic acids are Read More »

Biotechnology, Gene Transfer In Plants

Advantage of microprojectile method over microinjection method for gene transfer in plants include

Biotechnology, Gene Transfer In Plants /
Question: Advantage of microprojectile method over microinjection method for gene transfer in plants include
[A].

intact cells are used

[B].

method is universal in its application irrespective of all shape, size, type and presence or absence of cell wall

[C].

gene can be transferred to many cells simultaneously

[D].

all of the above

Answer: Option D

Explanation:

No answer description available for this question.

Advantage of microprojectile method over microinjection method for gene transfer in plants include Read More »

Biotechnology, Gene Transfer In Plants

Microprojectile method of gene transfer in plants involves delivery of DNA

Biotechnology, Gene Transfer In Plants /
Question: Microprojectile method of gene transfer in plants involves delivery of DNA
[A].

with the help of micromanipulator

[B].

with the help of bolistics

[C].

with the help of needles

[D].

any of the above

Answer: Option B

Explanation:

No answer description available for this question.

Microprojectile method of gene transfer in plants involves delivery of DNA Read More »

Biotechnology, Gene Transfer In Plants