Font size
WorksheetsG8 midterm review
Total questions: 20
Worksheet time: 12mins
以下哪组生物不属于微生物
细菌
苔藓
微型真菌
病毒
Which one is wrong about using microorganisms in making food
bacteria--yogurt
bacteria---bread
fungi--wine
bacteria---cheese
Which of the following organisms do not have cell walls
Bacteria
fungi
animals
plants
细菌是靠（ ）进行繁殖的
种子
分裂
孢子
出芽
假定细菌20min繁殖一代，培养皿中原有1个细菌，经过2小时后培养皿中将会有多少细菌？
(a)
Which organism is unicellular
A mushroom
A yeast
A human
A fish
蘑菇的繁殖方式是
分裂生殖
出芽生殖
孢子生殖
有性生殖
病毒用来制造新一代病毒的物质来源于
上一代病毒
外界环境
病毒本身
寄主细胞
以下哪种疾病不是由病毒引起的
艾滋病
肺结核
狂犬病
流感
Which of the following statements about viruses is correct
Viruses are unable to replicate
Viruses do not contain genetic material like other organisms
Virus cells can be destroyed by taking antibiotics
Viruses are unable to replicate outside of a living cell
小明家有一片桃园，近年由于品种退化导致果实质量下降，小明的父亲思考怎样在尽可能控制成本情况下快速更换品种，你认为最合适的方法是
用新长出的枝条扦插
重新换植新品种
引进新品种做接穗进行嫁接
用新生芽尖进行植物组织培养
What is different from the others in the following ways of reproduction?
fission of bacteria
budding of hydra
cutting of grapes
seeds of sunflowers
若要使一株结酸味苹果的苹果树结出甜味苹果，一般可采用植物的哪种无性繁殖方法?
(a)
麻皮蝽是生活中常见的昆虫，如图是其发育过程如图，下列叙述正确是？
麻皮蝽的发育过程为不完全变态发育
麻皮蝽若虫与成虫在结构上没有差异
麻皮蜷的生殖方式为胎生
麻皮蝽在若虫阶段进行交配
The development type of locusts is gradual metamorphosis. What is the stage of development that locusts do not go through compared with honeybees?
zygote
pupa
adult
fertilizied egg
菜粉蝶属鳞翅目、粉蝶科，菜粉蝶别名菜白蝶，幼虫又称菜青虫。下列能正确表示菜粉蝶发育过程的是
卵→蛹→幼虫→成虫
卵→幼虫→蛹→成虫
卵→幼虫→成虫
卵→若虫→成虫
The site of embryonic development(胚胎发育) in fertilized chicken eggs is
egg white
egg yolk
blastoderm
air cell
鸟卵中与菜豆种子的子叶功能相似的结构是
卵黄膜
胚盘
系带
卵黄
What is the structure that keep the egg yolk in the center of the egg?
(a)
Which one is not the advantage of sexual reproduction?
produce diversity among offsprings
more adaptable to the environment
better resistance(抵抗) to disease
high reproducing rate
