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प्रश्न
Name the following:
Unicellular outgrowths from the epidermis of roots.
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उत्तर
Root hair
Explanation:
From the root epidermis, these unicellular outgrowths help to draw minerals and water from the ground.
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संबंधित प्रश्न
How does movement and absorption of water take place through the roots?
Given below is the diagrammatic representation of the transverse section of a part of a plant. Study it and answer the questions that follow:
(a) Name the part of the plant that is shown
(b) Label the parts 1 to 6
(c) Write the functions of parts 3 and 5
The diagram given below represents a plant cell after being placed in a strong sugar solution. Guidelines 1 to 5 indicate the following:
1. Strong sugar solution
2. Cell wall
3. Protoplasm
4. Large vacuole
5. Nucleus
Study the diagram and answer the questions that follow:
(i) What is the state of the cell shown in the diagram?
(ii) Name the structure which acts as a selectively permeable membrane.
(iii) If the cell had been placed in distilled water instead of strong sugar solution which feature would not have been present?
(iv) If the cell in the diagram possessed chloroplasts where would these be present?
(v) Name any one feature of this plant cell which is not present in animal cells.
Choose the correct answer:
The water is translocated upwards from the roots through _____________
A few RBC’s were kept in three test tubes containing isotonic, hypotonic and hypertonic solutions. What will be the expected observations after a few hours? Explain.
Name the following:
The solution outside the cell having lower solute concentration than the fluids.
Part of the root that absorbs water from the soil is ______.
Which part of the root helps in maximum absorption of water and minerals?
Root hair occurs in the zone of ____________.
