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Cell Cultivations

Cell Cultivations
Which of the following is an abiotic elicitors?

Osmotic shock
Heavy metal ions
All of these
UV irradiation

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

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

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Cell Cultivations
The protoplast can be used to

create plant hybrid
modify genetic information
study plant viral infections
all of these

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Cell Cultivations
Radical shifts in pH can be prevented by incorporating

a reducing agent
an oxidizing agent
any of these
a buffer

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Cell Cultivations
For most bacteria, the optimum pH for growth lies between

3.5-4.5
5.5-6.5
4.5-5.5
6.5-7.5

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Cell Cultivations
Thiobacillus thiooxidans has an optimum pH of

6.5-7.5
9.0-9.5
0.5-6.0
2.0-3.5

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