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Question

Primary tissues of a plant:

A
Add to the length of roots and shoots
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B
Add to the diameter of existing roots and shoots
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C
Are only in the embryo
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D
Are only in the seedling
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Solution

The correct option is A Add to the length of roots and shoots
Primary tissues of a plant arise from apical and intercalary meristem. Such tissues include epidermis, primary vascular tissues as xylem and phloem and the ground tissues which includes parenchyma. The other tissues being collenchyma and sclerenchyma. Primary tissues are involved in increasing the length of stem and root. Thus, correct answer is option A.

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