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प्रश्न
Draw a neat and labelled diagram of Root hair.
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उत्तर
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संबंधित प्रश्न
What part is played by the following in the uptake of water into the root hair?
The cell wall
Draw a cross-section of root showing association of soil particles with root hairs.
The figure given below is a diagrammatic representation of a part of the cross-section of the root in the root hair zone. Study the same and then answer the questions that follow :
(i) Name the parts indicated by guidelines ‘1’ to ‘5’
(ii) Is the root hair cell unicellular or multi-cellular?
(iii) Draw a labeled diagram of the root hair cell as it would appear if some fertilizer is added to the soil close to it.
(iv) Name the process responsible for the entry of water molecules from the soil into A1 and then A2.
(v) What pressure is responsible for the movement of water in the direction indicated by arrows?
(vi) How is this pressure set up?
The below figure shows a root hair:
(i) Label the parts 1 to 4.
(ii) What is the role of part 4?
(iii) Why is the root hair one-celled?
(iv) What will happen to the root hair if some fertilizer is added to the soil near the root hair?
In the zone of absorption, epidermal cells form unicellular hair-like extensions called ________.
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 ______
Epiphytic plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called ____________.
Look at Figure. Draw another figure of the same set-up as would be observed after a few hours.
Draw a neat and proportionate diagram of root hair and label mitochondria, nucleus and vacuole.
