[VSQ]PLANT BIOTECHNOLOGY AND TISSUE CULTURE, SET 02

PLANT BIOTECHNOLOGY AND TISSUE CULTURE

Q.1

Extra chromosmal genetic element found within bacterial cells and replicates independently of chromosonal DNA.

Ans. 

Plasmids.

Q.2

DNA (deoxyribonucleic acid)

Ans. 

Molecule encodes genetic information.

Q.3

Double haploids are

Ans. 

Individuals derived from haploid gamets and carry two identical chromosomes.

Q.4

Micropropagation is

Ans. 

In vitro multiplication of plants from a small tissue explant.

Q.5

What is Electroporation

Ans. 

A technique uses electric discharge to produce pores on cell membrane for intake of recombinant DNA.

Q.6

Transformation is

Ans. 

A process by which genetic material carried by a species cell is altered by incorporation of exogenous DNA in genome.

Q.7

Transcription is

Ans. 

Process during which the information in a sequence of DNA is used to construct m-RNA.

Q.8

Golden rice was developed by

Ans. 

Ingo Protrykus and Peter Bayeo.

Q.9

Golden rice provides

Ans. 

Higher β-carotene over normal rice.

Q.10

β-carotene is

Ans. 

Precursor of Vitamin-A.

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