Final answer:
The question involves parts of a seed and layers of biological structures. The outermost layer of a kernel seed is the pericarp, the area at the base is where the plumule is located, and the largest part is typically the endosperm.
Step-by-step explanation:
The student seems to be confusing two separate concepts - the structure of a seed, specifically a kernel, and the layers of various biological structures such as the kidney and skin. For seeds, the outermost layer is the pericarp, the base of the kernel is where the plumule is located, and the largest part of the kernel is typically the endosperm. Meanwhile, for the kidney, the outermost layer is the renal capsule, with the renal fascia as the outermost layer encompassing the fat and the renal pelvis being the innermost structural part. For the skin, the outermost layer is referred to as the stratum corneum.