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Plant Cell Culture

Plant Cell Culture
Which method of plant propagation involves the use of girdling?

Layering
Cuttings
Micropropagation
Grafting

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Plant Cell Culture
Cell fusion method includes the preparation of large number of

plant cells stripped of their cell wall
plant cells with cell wall
cells from different species
single plant cell stripped of their cell wall

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Plant Cell Culture
A(n) __________ is an excised piece of leaf or stem tissue used in micropropagation.

scion
microshoot
explant
medium

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Plant Cell Culture
The ability of the component cells of callus to form a whole plant is known as

none of these
redifferentiation
either (a) or (b)
dedifferentiation

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Plant Cell Culture
Which of the following is considered as the disadvantage of conventional plant tissue culture for clonal propagation?

Both (b) and (c)
Less multiplication of disease free plants
Multiplication of sexually derived sterile hybrids
Storage and transportation of propogates

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Plant Cell Culture
Which breeding method uses a chemical to strip the cell wall of plant cells of two sexually incompatible species?

Mass selection
Transpiration
Transformation
Protoplast fusion

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