A. It is not a common method for plant adaptation. B. It often involves the exchange of genetic material between different plants. C. It can help plants reproduce quickly in a favorable environment. D. It always requires special pollinators. 相关知识点: 试题...
It results in offspring with genetic variation D. It is the same as vegetative propagation 相关知识点: 试题来源: 解析 C。解析:In sexual reproduction of plants, male and female gametes combine. It involves two parent plants (male and female). One of the important features of sexual ...
Which of the following is a characteristic of sexual reproduction in plants that helps with adaptation? A. It produces genetically identical offspring. B. It requires only one parent. C. It leads to genetic variation among offspring. D. It is a very slow process. 相关知识点: ...
Which of the following is a disadvantage of sexual reproduction in plants compared to asexual reproduction? A. It is faster. B. It requires less energy. C. It has a lower genetic diversity. D. It is more complex and time - consuming. ...
A. making new plants or animals B. destroying old things C. changing the shape of something D. moving from one place to another 相关知识点: 试题来源: 解析 A。从文章中的定义来猜测词义。“reproduction”通常与制造新的植物或动物有关。选项 B 是破坏旧的东西;选项 C 是改变某物的形状;选项 D...
The seeds will grow into new plants. This process is ___. A. reproduction B. production C. creation D. invention 相关知识点: 试题来源: 解析 A。本题考查植物繁殖的表达。A 选项“reproduction”是“繁殖”;B 选项“production”是“生产”;C 选项“creation”是“创造”;D 选项“invention”是“...
A. It only occurs in large plants B. It involves the fusion of male and female gametes C. There is no genetic variation in sexual reproduction D. Sexual reproduction is faster than asexual reproduction 相关知识点: 试题来源: 解析 B。解析:植物的有性生殖涉及到雄配子和雌配子的融合,这是有性...
Which of the following is a method of asexual reproduction in plants? A. Pollination B. Fertilization C. Budding D. Seed dispersal 相关知识点: 试题来源: 解析 C。解析:Budding(出芽生殖)是植物无性繁殖的一种方式,Pollination(授粉)和Fertilization(受精)是有性繁殖过程中的环节,Seed dispersal(种子传播...
Which of the following is a characteristic of sexual reproduction in plants? A. It only needs one parent plant B. It produces offspring with identical genes C. It involves the union of male and female gametes D. It is always faster than asexual reproduction ...
In asexual reproduction of plants, which part can be used for reproduction? A. Only the root B. Only the flower C. Leaves, stems or roots D. Only the seed 相关知识点: 试题来源: 解析 C。解析:在植物的无性繁殖中,叶子、茎或者根都可以被用于繁殖。例如,有些植物可以通过扦插茎来繁殖,有些...