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प्रश्न
Root hairs become flaccid, when fertilizers are added to the moist soil around it. Explain.
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उत्तर
When fertilizers are added to the moist soil around it, it will form hypertonic solution, resulting the protoplasm to shrink and plasma membrane withdraw itself from the cell wall. Hence, the root hairs also become limp or flaccid.
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संबंधित प्रश्न
Name the following:
Tissue concerned with upward conduction of water.
The diagram given below represents the results of an experiment conducted on two freshly taken leafy shoots of a herbaceous plant. The lower ends of the shoots dip in ordinary water.
(i) What is the aim of the experiment?
(ii) Some parts of the stem in both the shoots have been removed. Name the conducting tissue in shoot (a) and in shoot (b) that has been removed.
(iii) What are the results of this experiment?
How is root hair structurally adapted for absorption of water from the soil?
Draw a cross-section of root showing association of soil particles with root hairs.
Give Technical Term for the following.
Phenomenon of absorption of water by surface attraction.
Name the following:
Water is absorbed from the soil by which part.
Outer layer of root hair is made up of ________.
Identify labels x, y, z in the given figure of root showing different regions.
Root hair occurs in the zone of ____________.
Explain about the factors that affect water absorption.
