The figure of longitudinal section of a plant tissuse is given below. Name the part labelled as 'A' and mention its function. Name the other components of this tissue.

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Solution

The part labeled as 'A' in the figure is the sieve plate. It is present in the higher plants. It connects the sieve elements in the phloem of the plants. The sieve plates run throughout the stem of plants and play a critical role transport of food/nutrients. The others components that can be seen in the given picture are; Companion cells, phloem fibre, phloem parenchyma and sieve tube.

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