Multiple choice Which of the following plants shows hypogeal germination? Castor Bean Cotton Sonneratia Maize Reveal answer Fill a bubble to check yourself E Correct answer Explanation During early stages of germination, the epicotyl elongates, the cotyledons remain below the soil and the plumule is carried at the tip of the elongated epicotyl. This is called hypogeal germination. For example, pea, gram, maize, rice, etc.