Multiple choice The plants having seeds with one cotyledon are called unicots monocots dicots protocots Reveal answer Fill a bubble to check yourself B Correct answer Explanation Monocots are plants with seeds containing one cotyledon (seed leaf). Examples include rice, wheat, maize, and grasses. 'Unicots' (A) and 'protocots' (D) are not valid botanical terms, while dicots (C) have two cotyledons.