The correct option is B Cotyledons
A cotyledon is a significant part of the embryo within the seed of a plant. Upon germination, the cotyledon may become the embryonic first leaves of a seedling. The number of cotyledons present is one characteristic used by botanists to classify the flowering plants (angiosperms). Peanut plant is a dicotyledons. In ground nut, oil is stored in cotyledons to nourish the embryo during germination process. Thus, the correct answer is option B.