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Question : What is meant by secondary growth? Which are its type ?

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Solution :Primary Growth : With the help of lateral meristematic TISSUE, length of root and STEM grows. It is CALLED primary growth.
Secondary Growth: After completion of primary growth, mainly dicot plants thicken. This increase in thick thickening is called secondary growth.
TYPES of secondary growth : Two types of lateral meristem take part in secondary growth. Vascular CAMBIUM and cork cambium.


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