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Plant Cell Culture

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

scion
microshoot
medium
explant

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Plant Cell Culture
Which of the following is used in the culture of regenerating protoplasts, single cells or very dilute cell suspensions?

Nurse medium
Both (a) and (b)
Nurse or feeder culture
None of these

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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

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

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Plant Cell Culture
Organogenesis is

formation of callus tissue
both (a) and (b)
genesis of organs
formation of root and shoots on callus tissue

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Plant Cell Culture
Subculturing is similar to propagation by cuttings because

All of these
it uses scions to produce new microshoots
they both use in vitro growing conditions
it separates multiple microshoots and places them in a medium

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Plant Cell Culture
Cellular totipotency is the property of

all of these
bacteria
animals
plants

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