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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
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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.
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संबंधित प्रश्न
The process by which root hairs absorb water from the soil.
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.
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?
Differentiate between the following:
Guttation and bleeding
Choose the correct answer:
Wilting of plants occurs when ____________
Give Technical Term for the following.
Tissue which transports manufactured food from leaves to other parts of the plant.
A thin strip of epidermal cells of a leaf was observed in a drop of water. They all looked turgid and normal.
(a) Draw a diagram of such a cell.
(b) Draw a diagram of a cell if this strip is transferred to a strong concentrated solution of sugar. What is term used for the effect on the cells ?
Root hairs are ______
Root hair occurs in the zone of ____________.
