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...
A. Fragmentation B. Self - pollination C. Bulb division D. Stem layering 相关知识点: 试题来源: 解析 B。解析:自花授粉是有性繁殖方式,不是无性繁殖方式。选项A,分裂繁殖是无性繁殖方式,A错误。选项B正确。选项C,球茎分裂是无性繁殖方式,C错误。选项D,茎压条是无性繁殖方式,D错误。
Asexual reproduction is often used by plants because: A. it requires less energy B. it leads to more genetic diversity C. it is a complex process D. it involves the fusion of gametes 相关知识点: 试题来源: 解析 A。解析:植物常使用无性繁殖是因为它需要更少的能量,选项 B 有性繁殖会导致...
试题来源: 解析 B。本题考查植物无性繁殖的方式。A 选项“Pollination(授粉)”和 C 选项“Fertilization(受精)”以及 D 选项“Seed dispersal(种子传播)”都涉及两性生殖细胞的结合,属于有性生殖。B 选项“Budding(出芽)”是植物无性繁殖的一种方式。
C. It can help plants reproduce quickly in a favorable environment. D. It always requires special pollinators. 相关知识点: 试题来源: 解析 C。解析:植物的无性繁殖可以帮助植物在有利的环境中快速繁殖,这是无性繁殖的一个重要优势。无性繁殖是植物适应的常见方法,无性繁殖不涉及不同植物之间的基因物质...
It is a faster way to produce new plants D. It requires a lot of E. nergy 相关知识点: 试题来源: 解析 C。解析:植物无性繁殖的一个优势是能够更快速地产生新的植株。因为无性繁殖不需要经过复杂的配子结合等过程。选项A,产生多种多样的后代是有性繁殖的优势;选项B,无性繁殖产生的后代基因与亲本...
C。解析:Grafting is a method of asexual reproduction in plants. It involves joining parts of two different plants together so that they grow as one. Fertilization is part of sexual reproduction. Seed dispersal is related to the spread of seeds after sexual reproduction. Cross - pollination is ...
Related Articles:reproduction,plant reproductive system Transcript [Music in] NARRATOR: Sexual activity in the plant world normally goes unnoticed by humans. But we don't have to look far to realize that all kinds of plants are constantly increasing their numbers. ...
Some of them reproduce by parthenogenesis either facultatively (i.e. they can also reproduce sexually) or obligately (i.e. they have no other means to reproduce but by parthenogenesis).Plant Apomixis Apomixis in plants refers to asexual reproduction without fertilization. In certain plants, ...
C。解析:Asexual reproduction in plants has the characteristics that offspring are genetically identical to the parent and it only requires one parent. Types such as vegetative propagation and budding are forms of asexual reproduction. However, the union of male and female gametes is a characteristic...