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प्रश्न
Give Technical Term for the following.
Phenomenon of absorption of water by surface attraction.
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उत्तर
Imbibition
संबंधित प्रश्न
What are root hair? Mention the function performed by the root hair.
Differentiate between the following:
Guttation and bleeding
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.
Study the experimental setup in the figure and then answer the question that follow.
What will you observe in the setup after about half an hour? Give reasons for your answer.
The alongside diagram A shows a root hair growing through the soil particles. Diagram B is the root hair of an aquatic plant.
(i) Name the parts 1,2,3.
(ii) Name two substances which enter the root hair. What are their uses?
(iii) By what process do these substances enter the root hair?
(iv) Account for the different shapes of root hairs in the two diagrams.
Draw a diagram of the root hair cell as it would appear when a concentrated solution of fertilizers is added near it.
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?
Describe structure of root hair.
What is the composition of an outer layer of root hair?
Root hairs are ______
