Does Cotyledons Contain a Beans Food Supply?

Remind the students that the cotyledons are the bean seed's food supply—you can think of them as the seed's “lunch box.” They feed the seed until it can grow leaves and make its own food.

What do cotyledons contain?

The cotyledons contain (or in the case of gymnosperms and monocotyledons, have access to) the stored food reserves of the seed. As these reserves are used up, the cotyledons may turn green and begin photosynthesis, or may wither as the first true leaves take over food production for the seedling.

How do cotyledons provide food?

Cotyledon is the seed leaf within the embryo of a seed. This is because they supply food to the baby plant coming out during the seed germination. ... These stored nutrients are supplied to the seedling during germination. Sometimes, the cotyledons may become photosynthetic in function during the process of germination.