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प्रश्न
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उत्तर
The root hairs become flaccid when fertilisers are added to the moist soil around them because fertilisers with moist soil become hypertonic which causes plasmolysis in the cells of the root hair. The turgidity is lost and the cell becomes flaccid.
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संबंधित प्रश्न
The phenomenon of loss of water through a cut stem or injured part of plant is called ___________.
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?
Choose the correct answer:
Swelling of wooden doors during rains is caused by ___________
Study the experimental setup in the figure and then answer the question that follow.
What is meant by 'semipermeable membrane'?
Draw a cross-section of root showing association of soil particles with root hairs.
Inner layer of root hair is made up of ______.
Plasma Membrane is ______.
Epiphytic plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called ____________.
Identify the zone in wbkh root hair occurs.
Root hair is a cytoplasmic extension of ______.
