國中教甄｜家政家政109 年第 77 題單選題

Which statement is NOT true about physical structure and composition of eggs?

AYolk color varies with feed of the hen, but darker yolks have a higher carotenoid content.

BShell composes largely of calcium carbonate.

CThick albumen is the major source of egg vitamins, minerals, and fat.正確答案

DShell membranes provides protective barrier against bacterial penetration.

答案與詳解

正確答案

雞蛋的維生素、礦物質與脂肪主要存在於蛋黃中，而非濃蛋白。

AYolk color varies with feed of the hen, but darker yolks have a higher carotenoid content.✕ 錯誤

蛋黃顏色確實受母雞飼料中的類胡蘿蔔素影響，顏色越深代表類胡蘿蔔素含量越高，敘述正確。

BShell composes largely of calcium carbonate.✕ 錯誤

蛋殼的主要成分為碳酸鈣，約佔蛋殼重量的九成以上，敘述正確。

CThick albumen is the major source of egg vitamins, minerals, and fat.✓ 正確

DShell membranes provides protective barrier against bacterial penetration.✕ 錯誤

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