六年级 设计与工艺 调配营养液&照料植物

Quiz
•
Other
•
6th Grade
•
Medium

CHONG Moe
Used 82+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
要调配一个家庭式的贮箱的营养液,须先倒入10 公升至12公升的清水,然后加入( )A浓缩营养液,搅匀后加入 ( )B 浓缩营养液,再搅匀。
1 毫升 , 1 毫升
10 毫升 , 10 毫升
25 毫升 , 25 毫升
1 公升 , 1 公升
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
B 浓缩营养液主要的成分是 ( )。
大量元素
微量元素
无量元素
轻量元素
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
营养液的pH值须维持在 ( ) 之间,这样养分才容易被植物吸收。
2.5 至 3.5
3.5 至 4.5
4.5 至 5.5
5.5 至 6.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
植物生长期间,如果缺少某种元素,就会 ( )。
出现病症
长得茂盛
长得高大
长的茁壮
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
调配营养液时,应 ( )。
先在水中倒入B浓缩营养液,搅匀后再倒入A浓缩营养液
先在水中倒入A浓缩营养液,搅匀后再倒入B浓缩营养液
把A浓缩营养液和B浓缩营养液一起倒入水中
分别把水倒入A浓缩营养液和B浓缩营养液
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
利用水耕栽培法培养植物,必须相隔多久就要添加营养液或更换新的营养液,以补充被植物吸收了的元素。
每天
每个星期
每2个星期
每个月
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
把植物放在太阳能照射到的地方,是为了
用紫外线杀死细菌
给植物提供充足的阳光
让叶子上多余的水分蒸发
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