Zoospores are absent in which of the following algae?
Important Questions on Plant Kingdom
Which of the following algae is used to obtain agar?
What is the food material in the members of class Rhodophyceae?
How many of the following are associated with members of red algae?
Laminarin and mannitol, Non-motile spores, Oogamous reproduction, Phycocolloids in cell wall, Complex post-fertilization development.
Polysulphate ester is present in the cell wall of
Match the following (Column I with Column II).
| Column – I | Column – II | ||
| (a) | Non–flagellated isogamy | (i) | Laminaria |
| (b) | Source of algin | (ii) | Ectocarpus |
| (c) | Complex post-fertilization development | (iii) | Spirogyra |
| (d) | Simple branched filamentous brown algae | (iv) | Porphyra |
How many of the following structures in the algae are motile?
Zoospore, Chlamydospores, Akinetes, Gametes of Chlamydomonas, Gametes of Spirogyra, Gametes of Fucus, Gametes of Porphyra, Aplanospores.
Read the following statements and select the correct option:
(i) The thalli of most of the red algae are multicellular and some of them have complex body organization.
(ii) Food stored in red algae is complex carbohydrates which may be in the form of laminarin or mannitol.
Choose the correct option.
