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Where is meristematic tissue primarily located in plants?

  1. In the roots only

  2. At regions of growth

  3. In the leaves

  4. Throughout the entire plant

The correct answer is: At regions of growth

The correct answer identifies that meristematic tissue is primarily located at regions of growth. Meristematic tissues are undifferentiated cells that have the ability to divide and differentiate into various types of plant cells. These tissues are found in areas where the plant is actively growing, such as the tips of roots (apical meristems) and shoots, as well as in lateral meristems found in the vascular cambium and cork cambium. This location is essential for the plant's growth, allowing it to lengthen (primary growth) and increase in girth (secondary growth). The growth regions are crucial for increasing both the size and structure of the plant. Other locations mentioned, such as throughout the entire plant or specifically in the leaves, do not accurately represent the localized nature of meristematic tissues, which are specifically concentrated at growth points rather than dispersed uniformly or solely present in certain parts.