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प्रश्न
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उत्तर
(i) Roots help in the absorption of water.
(ii) They also help in the absorption of minerals.
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संबंधित प्रश्न
Mention whether the following statement is true or false. Correct the false statement by altering the last word only.
The cell wall of the root cell is a differentially permeable membrane.
Choose the correct answer:
An example of a selective permeable membrane is __________
Choose the correct answer:
Process of ascent of sap in plants occurs ___________
Mention whether the following statement is true (T) or false (F) and give an explanation in support of your answer.
Guttation in plants occurs maximum at midday.
The diagram below represents a layer of epidermal cells showing a fully grown root hair. Study the diagram and answer the questions that follow:

The root hair cell is in a turgid state. Name and explain the process that caused this state.
What is toxicity ?
Give Technical Term for the following.
Phenomenon of absorption of water by surface attraction.
Name the following:
Root hairs are the extension of which cells.
In the zone of absorption, epidermal cells form unicellular hair-like extensions called ________.
____________plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called velamen.
