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प्रश्न
Trunks of some of the aged tree species appear to be composed of several fused trunks. Is it a physiological or anatomical abnormality? Explain in detail.
उत्तर
This is an anatomical abnormality. In case of abnormal secondary growth, cortical and medullary vascular bundles are formed. This gives rise to additional or accessory vascular bundles which give the appearance of additional trunks which appear to be fused.
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संबंधित प्रश्न
Explain the process of secondary growth in stems of woody angiosperm with help of schematic diagrams. What is the significance?
Select the correct pair.
Select the correct pair.
Select the correct pair.
In conifers fibres are likely to be absent in ______.
What constitutes the cambial ring?
A transverse section of the trunk of a tree shows concentric rings which are known as growth rings. How are these rings formed? What is the significance of these rings?
Write the function of:
Interfasicular cambium
Deciduous plants shed their leaves during summer or in autumn. This process of shedding of leaves is called abscission. Apart from physiological changes what anatomical mechanism is involved in the abscission of leaves.
Distinguish between the following:
Interfasicular cambium and intrafasicular cambium
