Select the correct pair.

1. A. In dicot leaves, vascular bundles are surrounded by large thick-walled cells - Conjunctive tissue
2. B. Cells of medullary rays that form part of cambial ring - Interfascicular cambium
3. C. Loose parenchyma cells rupturing the epidermis and forming a lens shaped opening in bark - Spongy parenchyma
4. D. Large colorless empty cells in the epidermis of grass leaves - Subsidiary cells

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