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प्रश्न
Draw a neat and labelled diagram of Root hair.
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उत्तर
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संबंधित प्रश्न
The diagram of an given below demonstrates a particular process in plants. Study the same and answer the questions that follow:
- Name the apparatus.
- Which phenomenon is demonstrated by this apparatus?
- Explain the phenomenon mentioned in (ii) above.
- State two limitations of using this apparatus.
- What is the importance of the air bubble in the experiment?
- Name the structures in a plant through which the above process takes place.
Differentiate between the following:
Guttation and bleeding
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.
The figure shows a diagrammatic representation of the movement of certain substances inside the stem of a certain plant. Write five sentences on whatever you can explain about the processes or the arrangement of structures indicated in the diagram.
Note: - Each sentence must include one or more of the following four words, and each word can be used several times. Xylem, phloem, roots, leaves.
Choose the correct answer:
Absorption of water from soil takes place by __________
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 guidelines ‘1’ to ‘5’
(ii) Is the root hair cell unicellular or multi-cellular?
(iii) Draw a labeled diagram of the root hair cell as it would appear if some fertilizer is added to the soil close to it.
(iv) Name the process responsible for the entry of water molecules from the soil into A1 and then A2.
(v) What pressure is responsible for the movement of water in the direction indicated by arrows?
(vi) How is this pressure set up?
Multiple Choice Question:
Process of endosmosis stops:
They are pipe-like, consisting of a group of specialised cells. They transport substances and form two-way traffic in plants. Which of the following terms qualify for the features mentioned above?
Aquatic animals like fish excrete their wastes in gaseous form as ______.
Name the following:
Unicellular outgrowths from the epidermis of roots.
