Division Thallophyta
Division Thallophyta: Overview
This topic covers concepts, such as, Stored Food in Algae, Algae, Economic Importance of Algae & Hydrocolloids of Algae etc.
Important Questions on Division Thallophyta
A research student collected certain alga and found that its cells contained both chlorophyll a and chlorophyll b as well as phycoerythrin. The alga belongs to



Brown algae is characterised by the presence of


Match column-I with column-II and choose the correct option:
Column-I | Column-II | ||
A. | Phaeophyceae | I. | Funaria, Sphagnum |
B. | Rhodophyceae | II. | Equisetum, Pteris |
C. | Pteridophytes | III. | Ectocarpus, Laminaria |
D. | Bryophytes | IV. | Polysiphonia, Gracilaria |



The absence of chlorophyll, in the lowermost cell of Ulothrix, shows

In Chlorophyceae, sexual reproduction occurs by

In Ulothrix/Spirogyra, reduction division (meiosis) occurs at the time of:


A plant in which sporophytic generation is represented by zygote:

The common mode of sexual reproduction in Chlamydomonas is

The product of conjugation in Spirogyra or fertilization of Chlamydomonas is

Sexual reproduction involving fusion of two cells in Chlamydomonas is


Which among the following are associated with the asexual reproduction in lower algae?

Vegetative reproduction in algae occurs by means of_____

