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प्रश्न
The diagram below represents a layer of epidermal cells showing a fully grown root hair. Study the diagram and answer the questions that follow:
Draw a diagram of the above root hair cell as it would appear when a concentrated solution of fertilizers is added near it.
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उत्तर
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.
State whether the following statement is true or false. Rewrite the false statement correctly.
Water absorption mainly occurs through the root-hair.
Draw a magnified view of the root-hair, and describe, how it helps in the absorption of water from the soil.
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.
Choose the correct answer:
Exudation or bleeding is associated with ___________
Differentiate between the following
Permeable and Semi-permeable membrane.
Draw a diagram of the root hair cell as it would appear when a concentrated solution of fertilizers is added near it.
Outer layer of root hair is made up of ________.
Water which is absorbed by roots is transported to aerial parts of the plant through ______
Name the following:
Unicellular outgrowths from the epidermis of roots.
