Algae
Algae: Overview
This topic describes algae. It describes about their forms, reproduction and their uses in human life. It also explains about the three main classes of algae.
Important Questions on Algae
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
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 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
Fill in the blank with the correct answer from the bracket.
In Spirogyra, sexual reproduction occurs by _____. (conjugation, oogamy, anisogamy)
Which of the following is a unicellular and flagellate green alga?
