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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
- In urinary system, aldosterone takes part in retention (reabsorpation) of
- Heart of cockroach is
- In mangifera indica L, specific epithet is
- Cohesion and adhesion is also called as
- The logistic population growth is expressed by the equation :
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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