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प्रश्न
How is root hair structurally adapted for absorption of water from the soil?
उत्तर
(i) The root hair represents a large surface area in contact with the soil particle.
(ii) The minute root hair can penetrate between the soil particles and when it comes in contact with soil water, the cell membrane allows efficient entry of water into the root.
(iii) The cytoplasm and the vacuoles also help in this water absorption by osmosis.
APPEARS IN
संबंधित प्रश्न
the exact location of the Lenticels
Mention whether the following statement is true or false. Correct the false statement by altering the last word only.
Xylem is the water conducting tissue in plants.
Study the diagram given below and answer the questions that follow:
- Name the process being studied in the above experiment.
- Explain the process mentioned in (a) above
- Why is oil placed over water?
- What do we observe with regard to the level of water when this set-up is placed in (1) bright sunlight, (2) humid conditions and (3) windy days?
- Mention any three adaptations found in plants to foster the process mentioned in (a) above
Choose the correct answer:
Wilting of plants occurs when ____________
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.
Most plant cells and tissues constitutes _____ % water.
Inner layer of root hair is made up of ______.
Write a note on the morphological structure of the root.
Water which is absorbed by roots is transported to aerial parts of the plant through ______
Why and how does water enter continuously into the root xylem?
