Advertisements
Advertisements
प्रश्न
Mention whether the following statement is true or false. Correct the false statement by altering the last word only.
The cell wall of the root cell is a differentially permeable membrane.
पर्याय
True
False
Advertisements
उत्तर
This statement is false.
Correct statement: The cell wall of the root cell is a fully permeable membrane.
Explanation:
Because cell "membranes" are differentially permeable, and cell walls are fully permeable.
संबंधित प्रश्न
The figure given below is a diagrammatic representation of a part of the cross section of the root in the root hair zone. Study the same and then answer the questions that follow
(i) Name the parts indicated by the guidelines 1 to 4.
(ii) Which is the process that enables the passage of water from the soil into the root hair?
(iii) Name the pressure that is responsible for the movement of water in the direction indicated by the arrows. Define it.
(iv) Due to an excess of this pressure sometimes drops of water are found along the leaf margins of some plants especially in the early mornings. What is the phenomenon called?
(v) Draw a well labelled diagram of the root hair cell as it would appear if an excess of fertiliser is added to the soil close to it.
the exact location of the Lenticels
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
Name the following:
Tissue concerned with upward conduction of water.
Root hairs become flaccid, when fertilizers are added to the moist soil around it. Explain.
What is toxicity ?
Water which is absorbed by roots is transported to aerial parts of the plant through ______
Root hair is a cytoplasmic extension of ______.
Water in the root enters due to ______.
