Advertisements
Advertisements
Question
How is root hair structurally adapted for absorption of water from the soil?
Solution
(i) The root hair represents a large surface area in contact with the soil particle.
(ii) The minute root hair can penetrate between the soil particles and when it comes in contact with soil water, the cell membrane allows efficient entry of water into the root.
(iii) The cytoplasm and the vacuoles also help in this water absorption by osmosis.
APPEARS IN
RELATED QUESTIONS
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
What part is played by The cytoplasm in the uptake of water into the root hair?
Name the following:
Tissue concerned with upward conduction of water.
Draw a cross-section of root showing association of soil particles with root hairs.
Draw a diagram of the root hair cell as it would appear when a concentrated solution of fertilizers is added near it.
In the zone of absorption, epidermal cells form unicellular hair-like extensions called ________.
Part of the root that absorbs water from the soil is ______.
Root hair occurs in the zone of ____________.
The tubular, colorless delicate prolongations of epidennal cells are seen in which region of root in plants?
Why and how does water enter continuously into the root xylem?