Absorption by roots - The Processes Involved — Biology STD 10 — Question
ICSE BoardEnglish MediumSTD 10BiologyAbsorption by roots - The Processes Involved1 Mark
MCQ
Root hairs contain _____________.
A
Salt
B
water
✓
Cell sap
D
Minerals
✓
Answer
Correct option: C.
Cell sap
(c) Cell sap Explanation: Root hairs contain large vacuoles which are full of cell sap. The cell sap has a greater concentration of salts as compared to the surrounding sub-soil water. Because of this property, water is drawn inside the root hair by a process of osmosis.
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