In Spirogyra, sometimes a ladder-like structure is present due to
Vegetative reproduction
Asexual reproduction
Lateral conjugation
Scalariform conjugation
Related Questions
In Chlorophyceae, the mode of sexual reproduction is
Anisogamy
Oogamy
Isogamy
All of these
Oogamous type of fusion is found in
Volvox and Fucus
Chlamydomonas
Spirogyra
All of these
Space travelers use the following algae
Chlamydomonas
Chlorella
Scenedesmus
Porphyra
Algae include unicellular forms like …A…, filamentous like …B… and colonical forms like …C… . Here A, B and C refer to
Chlamydomonas, Spirogyra, Volvox
Spirogyra, Volvox, Chlamydomonas
Volvox, Chlamydomonas, Fucus
Ulothrix, Spirogyra, Chlamydomonas
Chloroplast in Ulothrix is
Stellate
Cup-shaped
Ribbon-shaped
Girdle-shaped
Consider the following statements about green algaeI. Green algae are green due to the presence of chlorophyll-a and b pigments localised in chloroplastII. Algae store food in form of starch in a specialised structures called pyrenoids located in chloroplast. Food may be stored in form of oil dropletsIII. Vegetative reproduction occurs through cell division, fragmentation, stolons and tubersWhich of the statements given above are correct?
I and II
II and III
I and III
I, II and III
Which of the following is an algal parasite?
Volvox
Ulothrix
Porphyra
Cephaleuros
Chlamydomonas,Volvox,Ulothrix,Spirogyra and Chara are the examples of
Class-Chlorophyceae (green algae)
Class-Phaeophyceae (brown algae)
Class-Rhodophyceae (red algae)
Class-Cyanophyceae (blue-green algae) and Chlorphyceae
In Spirogyra,
Filaments in which lateral conjugation occur are homothallic
Filaments in which sealariform conjugation occur are homothallic
Filaments in which lateral conjugation occur are heterothallic
A sexual reproduction occurs by zoospores
An example of colonial algae is
Chlorella
Volvox
Ulothrix
Spirogyra
