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प्रश्न
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उत्तर
(i) The epidermis and endodermis of root hairs are permeable to water.
(ii) Root hairs have a very large surface area.
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संबंधित प्रश्न
Multiple Choice Question:
Put a tick mark (✓) against the correct alternative in the following statement:
The root-hairs are suited for absorbing water from the soil because:
Match the items in column I with those in column II
| Column I | Column II | ||
| (a) | Xylem | (i) | semi - permeable |
| (b) | Phloem | (ii) | permeable |
| (c) | Cell membrane | (iii) | downward flow of sap |
| (d) | Root pressure | (iv) | upward flow of water |
| (e) | Cell wall | (v) | guttation |
Choose the correct answer:
Meaning of ascent of sap is ____________
Draw a cross-section of root showing association of soil particles with root hairs.
Give Technical Term for the following.
Tissue which transports manufactured food from leaves to other parts of the plant.
________ type of tissues are present in epiphytic roots.
Epiphytic plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called ____________.
In soil which of the following type of water is available for absorption by plant roots?
Identify the part of the plants which is responsible for maximum absorption of water.
