Reserved food material in the seed is stored in the

Explanation

In a seed, there is reserved food material that is used by the plant when it starts to grow. This reserved food material is stored in a specific part of the seed. The question is asking which part of the seed stores the reserved food material. The options given are epicarp, endocarp, endosperm, mesocarp, and all parts. Epicarp and endocarp are parts of the fruit and not the seed, so they are not the correct answer. Mesocarp is also part of the fruit and not the seed, so it is not the correct answer either. The correct answer is option C, endosperm. Endosperm is a tissue in the seed that stores nutrients such as starch, protein, and oils. These nutrients are used by the developing embryo when it starts to grow. It is important to note that not all seeds have endosperms. Some seeds, such as those of orchids and some grasses, do not have endosperms. Instead, they store their nutrients in the cotyledons, which are the embryonic leaves of the plant. In summary, the reserved food material in a seed is stored in the endosperm, which is a tissue that stores nutrients for the developing embryo.