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प्रश्न
The diagram below represents a layer of epidermal cells showing a fully grown root hair. Study the diagram and answer the questions that follow:
Mention one distinct difference between the parts labelled A and B.
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उत्तर
|
Cell wall |
Cell membrane |
|
The cell wall of a root hair is freely permeable and allows both salt and water to pass through. |
The cell membrane of a root hair is semi-permeable and does not allow large dissolved salt molecules to pass through. |
संबंधित प्रश्न
Correct the following statements by changing the underlined words:
Xylem transports starch from the leaves to all parts of the plant body
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:
How does movement and absorption of water take place through the roots?
Grapes shrink when immersed in a very strong sugar solution.” Explain.
Multiple Choice Question:
Water will be absorbed by the root hairs when:
Write a note on the morphological structure of the root.
Epiphytic plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called ____________.
Identify the zone in wbkh root hair occurs.
____________plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called velamen.
Draw a neat and proportionate diagram of root hair and label mitochondria, nucleus and vacuole.
