2021初二诚生物/化学测验四--C6

2021初二诚生物/化学测验四--C6

9th Grade

19 Qs

quiz-placeholder

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2021初二诚生物/化学测验四--C6

2021初二诚生物/化学测验四--C6

Assessment

Quiz

Biology

9th Grade

Practice Problem

Medium

Created by

GHEE LOW

Used 10+ times

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19 questions

Show all answers

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

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

种皮

胚芽

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

幼根和根毛

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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