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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
- Earthworms have no skeleton but during burrowing the anterior end becomes
- Silencing of mRNA has been used in producing transgenic plants resistant to:
- Which of the following fruits are found in the family ranunculaceae?
- At high altitudes, RBC’s of human blood will
- Which pigment is essential for nitrogen fixation by leguminous plants
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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