Advertisements
Advertisements
Question
What would happen to the root hair of a potted plant if the soil was watered with an extremely concentrated solution of sodium chloride?
Advertisements
Solution
If the soil was watered with extremely concentrated solution of sodium chloride, the water will move out from the root hair due to osmosis and thus, plasmolysis will take place.
APPEARS IN
RELATED QUESTIONS
What are root hair? Mention the function performed by the root hair.
Name the following:
The process by which water enters root hairs.
Name the following:
Tissue concerned with upward conduction of water.
Choose the correct answer:
Swelling of wooden doors during rains is caused by ___________
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.
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?
Minerals cannot be passively absorbed by the roots.
Which part of the root helps in maximum absorption of water and minerals?
Draw a neat and proportionate diagram of root hair and label mitochondria, nucleus and vacuole.
