The male gamete is smaller and motile and female gamete is larger and non-motile (e.g. Ulothrix).
Does Ulothrix have motile gametes?
The algae reproduce by vegetative, asexual and sexual methods. … Sexual reproduction takes place through fusion of two gametes. These gametes can be flagellated and similar in size (as in Ulothrix) or non-flagellated (non-motile) but similar in size (as in Spirogyra).
Which has motile male gametes?
Cycads are dioecious, with separate male and female plants, and fertilisation is effected by motile male gametes—so-called zooidogamous reproduction.
Does Blue green algae have motile gametes?
Option A Blue green algae: Blue green algae or Cyanophyceae reproduce through simple division or fragmentation or non-motile spores. Also, they do not reveal any motile phase during the life cycle. … But, they are characterized by the absence of motile spores or gametes.
Which plants produce non-motile male gametes?
The male and female gametes are produced by flowers. Flowers mainly have petals, sepals, stamen, and pistil. Stamen is the male reproductive part and has anther and filament. The anther produces and stores the pollen which is the male gamete and is non-motile.
Is Ulothrix motile or nonmotile?
Ulothrix reproduces vegetatively by fragmentation, asexually by nonmotile resting spores (aplanospores) and motile quadriflagellate spores (zoospores), and sexually by biflagellate gametes. Ulothrix (highly magnified), a type of filamentous green algae.
How many flagella does Ulothrix have?
Hint: Ulothrix is a non-branching filamentous green algae. It is generally found in marine and freshwater. The mode of reproduction of Ulothrix is by both asexual method and sexual method. They produce two flagella gametes.
Are male gametes of Pinus motile?
In the seed Plants, the male gamete (pollen grains) are non motile. Fertilization is the fusion of male and female gametes.
Is male gamete motile?
The non-flagellated male gamete is free and vigorously motile, propelled by pseudopodia.
Does Cladophora have motile male gametes?
Cladophora is an example of algae that produces motile homogametes. Male and female gametes have similar morphology. Volvox and Fucus are examples of oogamous reproduction, where the female gamete is large, non-motile and the male gamete is small, motile.
Which is not motile algae?
Rhodophyta or the red algae have no motile flagellated cells during any stages of their life cycle. The asexual reproduction happens vegetatively or with non-motile spores. The sexual reproductuon involes non-motile male and female gametes.
In which group of algae both spores and gametes are non-motile?
Members of Rhodophyceae lack motile cells in their lifecycle. They reproduce asexually by non-motile spores and sexually by non-motile gametes.
In which organisms gametes are non-motile?
Angiosperms produce non-motile gametes.
Which of the following produces non motile gametes?
C) Spirogyra produces non-motile gametes.