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Which of the following plant material is an efficient water imbibant
Options
(a) lignin
(b) pectin
(c) agar
(d) cellulose
Correct Answer:
agar
Explanation:
Adsorption of water by a substance (solids-colloids) is known as imbibition. Proteins, agar, starch etc are imbibants. Agar can absorb 99 times more water than that of its weight. Cellulose, lignin, pectin have comparatively much less power of imbibition.
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Topics: Transport and Nutrition in Plants
(163)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Liver and pancreas of frog and rabbit are derived from
- Stomatal movement is not affected by
- Holdfasat, stipe and frond constitues the plant body in case of
- Gene regulation governing lactose operon of E.coli that involves the lac I gene
- A nitrogen-fixing microbe associated with Azolla in rice fields is :
Topics: Transport and Nutrition in Plants (163)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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