食物的变质

Quiz
•
Science
•
5th - 7th Grade
•
Medium
CHANG Moe
Used 14+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图一显示牛奶被放在桌上一天后的变化。哪项是导致以上现象的原因?
微生物在食物中呼吸
微生物在食物里移动
微生物吸取食物中的营养
微生物把食物分解并排出废物
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
以下哪项是水果变质的特征?
有斑点
颜色变得更鲜艳
味道变甜
有异味
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
已经变质的海鲜会有哪些特征?
失去弹性
发出臭味
味道鲜美
口感滑嫩
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
以下都是蔬菜变质的特征,除了
有黏液
结块
有斑点
干瘪
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
已经变质的罐头会有哪些特征?
罐头膨胀
食物不熟
食物变色
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
以下哪种微生物会导致食物变质?
细菌
真菌
酵母菌
藻类
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
以下哪些有关食物变质的说明是错误的?
食物变质后,会失去它原有的味道、气味或外观。
食物变质是指食物的本质产生变化或被破坏。
如果我们吃了变质的食物,会导致食物中毒。
食物会变质是因为蚊虫分解、吸收食物中的营养,同时排出废物。
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