
2021初二诚生物/化学测验四--C6
Authored by GHEE LOW
Biology
9th Grade
Used 10+ times

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19 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
日常所食的白米是水稻种子的______。
种皮
子叶
胚乳
胚
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
关于日常所食的花生粒,下列叙述何者正确?
为植物的果实
花生种子有两片子叶
花生油由胚乳提炼而成
胚轴将发育为花生植株的茎
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
种子中将来萌发成幼苗的结构是
子叶
胚
种皮
胚芽
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以图中所示的实验条件,绿豆种子在一星期后没有发芽。这是由于种子缺乏_____。
氧气
土壤
水分
阳光
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
要促进果树的侧枝生长且容易采摘,最佳的办法是
去除顶芽
去除侧芽
喷洒农药
勤施肥
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
文强将小盆栽由盆中取出移植到另一个花盆,不久发现幼苗死亡。其原因最可能是移植时损伤了幼苗的
老根
茎
幼根和根毛
叶
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何种植物的的花,其胚珠数目最多?
芒果
红毛丹
羊角豆
苹果
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