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Question
Active divisions occur in the cells of
Active divisions occur in the cells of
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Solution
The correct option is D Cambium
- The cambium is a layer of actively dividing cells present between xylem and phloem tissues.
- They are responsible for the secondary growth of stems and roots i.e, helps in increasing the girth or thickness in plants.
- The cambium is a single layer of initial cells which actively divide to form several cell layers that are collectively called the cambial zone.
- The cambial cells divide continuously to produce secondary xylem cells towards the centre of the stem and secondary phloem cells toward the outer side.
- These cambial cells originate from the undifferentiated meristematic cells which have retained the embryonic capacity for continued growth and differentiation.
- Xylem, phloem (compound tissue) and collenchyma (simple tissues) are permanent tissues which have lost the ability to divide.
So, the correct answer is 'Cambium'.
- The cambium is a layer of actively dividing cells present between xylem and phloem tissues.
- They are responsible for the secondary growth of stems and roots i.e, helps in increasing the girth or thickness in plants.
- The cambium is a single layer of initial cells which actively divide to form several cell layers that are collectively called the cambial zone.
- The cambial cells divide continuously to produce secondary xylem cells towards the centre of the stem and secondary phloem cells toward the outer side.
- These cambial cells originate from the undifferentiated meristematic cells which have retained the embryonic capacity for continued growth and differentiation.
- Xylem, phloem (compound tissue) and collenchyma (simple tissues) are permanent tissues which have lost the ability to divide.
So, the correct answer is 'Cambium'.
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