Question

what is meant by one or two cotyledons?​

Answer 1

One Cotyledon is called Monocot .

Two Cotyledon is called Dicot .

Monocot :-

Monocotyledons, commonly referred to as monocots, are flowering plants, the seeds of which typically contain only one embryonic leaf, or cotyledon.

Dicot :-

Dicot, also known as the dicotyledon, is a term used to describe a group of flowering plants that have two seed leaves. They are one of the two types of flowering plants that belong to angiosperm