Which structure in the maize grain stores food?

Explanation

In maize grain, there is a structure that stores food. The question is asking which structure performs this function. The options are radicle, embryo, cytoplasm, and endosperm. Radicle is the embryonic root of the plant, while embryo is the young developing plant enclosed in the seed. Cytoplasm is the fluid inside the cell membrane that contains organelles and other components. The correct answer to this question is option D, endosperm. The endosperm is a tissue that is formed inside the seed after fertilization. Its main function is to provide nutrition to the developing embryo. In maize, the endosperm is the largest structure in the seed and is the primary storage tissue for food reserves such as starch and proteins. Understanding the different structures and their functions in the seed is important in the study of plant growth and development. For more information, please see the recommended textbooks.