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प्रश्न
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?
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उत्तर
(i) The aim of the experiment is to show that conduction of water in plants takes place through xylem.
(ii) In shoot, (a) phloem has been removed. In shoot (b), xylem has been removed.
(iii) In shoot (b), xylem has been removed so the leaves are wilted. But in shoot (a), xylem has not been removed so the leaves are turgid.
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संबंधित प्रश्न
Give reason for the following:
If you uproot a plant from the soil, its leaves soon wilt.
Choose the correct answer:
Swelling of wooden doors during rains is caused by ___________
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.
Give Technical Term for the following.
Tissue which transports manufactured food from leaves to other parts of the plant.
Give Technical Term for the following.
The tissue responsible for the ascent of sap in plants.
Multiple Choice Question:
In soil, water available for absorption by root is ______.
In the zone of absorption, epidermal cells form unicellular hair-like extensions called ________.
Outer layer of root hair is made up of ________.
Write a note on the morphological structure of the root.
Root hairs are ______
