Advertisements
Advertisements
Question
Minerals cannot be passively absorbed by the roots.
Solution
The minerals cannot be passively absorbed by the roots because:
- The minerals are present in the soil as charged particles (ions) and cannot move across the cell membrane.
- The concentration of minerals in the soil is lower than the concentration of minerals in the root.
APPEARS IN
RELATED QUESTIONS
Explain the mechanism of closing and opening of the stomata.
Choose the correct answer:
The water is translocated upwards from the roots through _____________
How is root hair structurally adapted for absorption of water from the soil?
What is toxicity ?
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.
Phenomenon of absorption of water by surface attraction.
Outer layer of root hair is made up of ________.
Root hair is ________ extension of epiblema cells.
From which type of cells, root hair is originated
Look at Figure 11.1. Draw another figure of the same set-up as would be observed after a few hours.