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國中自然1下1-3__

Authored by Tang Da

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7th - 9th Grade

Used 73+ times

國中自然1下1-3__
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9 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

請問下列關於胎生動物的敘述,何者錯誤?

胎生動物出生後,母體會分泌乳汁哺育幼兒
胎生動物胎兒發育所需的養分,由母體透過胎盤和臍帶提供
胎生動物的胚胎都是留在母體子宮內發育
所有的哺乳類,其生殖方式都是胎生

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

比較體外受精及體內受精,通常哪一種方式母體一次釋出的卵數目較多?

體外受精
體內受精
一樣多
不一定,依季節而定

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

附圖為朱槿花的示意圖,且丙處細胞內染色體有12條,則下列相關敘述何者正確?

乙處細胞內的染色體有24條
甲稱為子房
由此圖可知朱槿較可能為蟲媒花
甲與丙可一起發育成果實

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

附圖為豌豆的豆莢,試問甲與乙分別由哪個構造發育而成?

甲:花托、乙:花萼
甲:花柱、乙:卵
甲:子房、乙:胚珠
甲:精細胞、乙:卵

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

附圖為花的構造圖,試問受精後,圖中何者會發育成果實?

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

有肚臍的動物,其生殖方式應為何?

胎生
卵生
胎生或卵生皆可能
不一定,視性別而定

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

附圖為女性生殖系統示意圖,何處兼具內分泌腺的功能?

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