阿摩線上測驗
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.
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統計： A(3), B(4), C(5), D(122), E(4) #2069622
統計： A(3), B(4), C(5), D(122), E(4) #2069622
詳解 (共 3 筆)
艾爾
#4764433
Compare with Monocots and Eudicots, which of the following statements is FALSE?
(A) A seed of Monocots has one cotyledon; that of Eudicots has two.
(B) Leaf vein of Monocots is usually parallel, but that of Eudicots is usually netlike.
(C) Vascular tissue of stems in Monocots is scattered, but that of Eudicots is usually arranged in ring.
(D) Pollen grain of Monocots has one opening; that of Eudicots has three openings.
(E) Floral organs usually in multiple of four in Monocots, but three in Eudicots.
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YUYA
#5662869
花粉管由花粉粒上的孔洞伸出，雙子葉有3個、單子葉1個萌發孔。
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