Which of the following plant material is an efficient water imbibant?
A
Agar
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B
Cellulose
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C
Lignin
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D
Pectin
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Solution
The correct option is A Agar Agar is an efficient water imbibant as it is a component made up of subunits of sugar galactose. When it is dissolved in boiling water and cooled, it looks like a gel and is often used to solidify the culture medium as it cannot be degraded by bacteria.