【問題】<已解決>三題簡單的生物問題


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三題簡單的生物問題

1. 關於草本雙子葉植物的莖和根之比較,何者正確?

(A)表皮層細胞: 根:很薄或缺乏、莖:有(B)皮孔:兩者皆有(C)內皮: 根:有、莖:通常沒有(D)草本雙子葉都有皮層和髓兩部份

2. 一般單子葉草本植物莖內可用來儲存澱粉的位置是哪些?

(A)厚角細胞(B)薄壁組織(C)髓(D)射髓(E)皮層

3. 下列哪些構造在大多數雙子葉植物草本莖和木本莖?

(A)皮孔(B)維管束形成層(C)周鞘(D)木材(E)髓

Edited by txreformer
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第三題...

莖應該不會出現內皮吧.....

而且莖木質化過後中間的細胞應該不能稱為"髓"吧....?

(個人淺見....突然覺得自己好弱....)

第三題應該是無解

周鞘專指中柱最外圍,而中柱只出現在根部

雙子葉木本莖中央基本組織已被木質化,不能稱作髓

雙子葉草本莖的中央才能叫髓

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