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Embryo culture is used for

Establishing suspension culture
Recovery of inter specific hybrids
Somatic hybridization
Haploid production


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First artificial gene was synthesized by

Nirenberg
Mendel
Morgan
Khorana


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The first transgenic crop was

Pea
Tobacco
Flax
Cotton


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Transgenic plants are developed by

Introducing foreign genes
Introducing gene mutations
Deleting certain chromosomes parts
Stopping spindle formation


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Which is related to genetic engineering?

Plastid
Plasmid
Heterosis
Mutation


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Which part would be most suitable for raising virus-free plants for micropropagation?

Meristem
Node
Bark
Vascular tissue


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In plant biotechnology, PEG is used in

Protoplast fusion
Cell culture preparation
Protoplast isolation
Hardening


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Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells)

An antifeedant
A particular hormone
Both sense and anti-sense RNA
A toxic protein


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A regulatory body working under MoEF for the release of transgenic crops is

NBPGR
GEAC
NSC
NIPGR


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Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein

Binds with epithelial cells of midgut of the insect pest ultimately killing it
Does not kill the carrier bacterium which is itself resistant to this toxin
Is activated by acid pH of the foregut of the insect pest
Is coded by several genes including the gene cry


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