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Cell Cultivations

Cell Cultivations
Which of the following is an abiotic elicitors?

Heavy metal ions
Osmotic shock
All of these
UV irradiation

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Cell Cultivations
Semi-solid media, prepared with agar at concentrations of 0.5% or less are useful for the cultivation of

Lactobacilli
E.coli
all of these
Microaerophillic bacteria

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Cell Cultivations
Radical shifts in pH can be prevented by incorporating

a buffer
any of these
a reducing agent
an oxidizing agent

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Cell Cultivations
Anchorage -dependent cells require

wettable surface for growth
nothing to do with the surface
dry surface for growth
either (a) or (b)

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Cell Cultivations
Callus cultures are amorphous cell aggregates arising from the unorganized growth of explants on an

solid nutrient medium
liquid medium
solid or liquid medium
aseptic solid nutrient medium

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Cell Cultivations
The size of a single plant cell is usually within the range of

40-60μm in diameter and 200-300μm long
10-20μm in diameter and 25-100μm long
60-80μm in diameter and 300-400μm long
20-40μm in diameter and 100-200μm long

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