試題詳解

58. Which of the following statements for characteristics of monocots and eudicots is not true?
(A) Veins of monocots are usually parallel; veins of eudicots are usually netlike.
(B) Stem vascular tissues of monocots are usually scattered; stem vascular tissues of eudicots are usually arranged in ring.
(C) The root system of monocots are usually fibrous (no main root); taproots are usually present in the root system of eudicots.
(D) There are three openings on every pollen grain of monocots; there is one opening on every pollen grain of eudicots.
(E) Floral organs of monocots are usually in multiples of three; floral organs of eudicots are usually in multiples of four or five.