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Plant Cell Culture

Plant Cell Culture
When plated only in nutrient medium, how much time is required for the protoplast to synthesize new cell wall?

2-5 days
5-10 days
15-17 days
10-15 days

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

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

single plant cell stripped of their cell wall
cells from different species
plant cells stripped of their cell wall
plant cells with 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
Protoplasts can be produced from suspension cultures, callus tissues or intact tissues by enzymatic treatment with

pectolytic enzymes
cellulotyic enzymes
proteolytic enzymes
both cellulotyic and pectolytic enzymes

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Plant Cell Culture
The phenomenon of the reversion of mature cells to the meristematic state leading to the formation of callus is known as

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

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