Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
(i) The epidermis and endodermis of root hairs are permeable to water.
(ii) Root hairs have a very large surface area.
APPEARS IN
संबंधित प्रश्न
Correct the following statement by changing the underlined word.
Xylem transports starch from the leaves to all parts of the plant body.
State whether the following statement is true or false. Rewrite the false statement correctly.
Water absorption mainly occurs through the root-hair.
How does movement and absorption of water take place through the roots?
Choose the correct answer:
Meaning of ascent of sap is ____________
Mention whether the following statement is true (T) or false (F) and give an explanation in support of your answer.
If the phloem of a twig is removed keeping the xylem intact, the leaves of a twig wilt.
What is toxicity ?
Given below is the diagram of a cell as seen under the microscope after having been placed in a solution:

(i) What is the technical term used for the state/condition of the cell given above?
(ii) Give the technical term for the solution in which the cell was placed.
(iii) Name the parts numbered 1 to 4.
(iv) Is the cell given above a plant cell or an animal cell ? Give two reasons in support of your answer as evident from the diagram.
(v) What would you do to bring this cell back to its original condition?
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?
Give Technical Term for the following.
Tissue which transports manufactured food from leaves to other parts of the plant.
Which plant does tissue transport water and minerals from the roots to the leaf?
