
【名词&注释】
生物膜(biofilm)、细胞器(organelle)、韧皮部(phloem)、虫媒传粉(insect pollination)、木栓形成层(cork cambium)
[单选题]北拐枣(枳棋)的食用部分是( )。
A. 果皮
B. 假种皮
C. 肉质花托
D. 肉质果柄
查看答案&解析
举一反三:
[单选题]树皮包括死的外树皮和活的内树皮,前者指的是周皮,后者指的是具功能的韧皮部。
A. 正确
B. 错误
[单选题]细胞器都是由生物膜所组成。( )
A. 正确
B. 错误
[单选题]大蒜的蒜瓣为( )。
A. 鳞叶
B. 腋芽
C. 变态根
D. 块茎
[单选题]绿藻门植物的营养细胞均无鞭毛。( )
A. 正确
B. 错误
[单选题]--My mother is preparing my favorite dishes, Go with me and have a taste, okay?--_______. And I’ll be glad to meet your parents.
A. I think so
B. I’d love to
C. I’m sure
D. I hope so
[单选题]What can be inferred from the passage? ( )
A. Some place names in Singapore are the same as in Britain.
B. Some places in Singapore are named for military purposes.
C. The way Singaporeans name their places is unique.
D. Young Singaporeans have forgotten the pioneers.
[单选题]毛茛属植物花瓣基部有一蜜腺穴,为虫媒传粉的标志之一。( )
A. 正确
B. 错误
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