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प्रश्न
Give Technical Term for the following.
Tissue which transports manufactured food from leaves to other parts of the plant.
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उत्तर
Phloem
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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.
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.
Explain why:
Raisins swell up in water.
Choose the correct answer:
An example of a selective permeable membrane is __________
How is root hair structurally adapted for absorption of water from the soil?
Differentiate between the following
Permeable and Semi-permeable membrane.
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?
Name the following:
Water is absorbed from the soil by which part.
What is the composition of inner layer of root hair?
Root hairs are ______
