Select the mismatch
| Algae | Thallus |
| Chalamydomonas | Unicellular flagellate |
| Chlorella | Unicellular non flagellate |
| Ulva | Parenchymatous |
| Volvox | Non- flagellate colonies |
D.
| Volvox | Non- flagellate colonies |
Volvox is a fresh water, green, colonial algae containing fixed number of cells called coenobium. The cells are biflagellate and interconnected by cytoplasmic strands.
Mention the ploidy of the following: protonemal cell of a moss; primary endosperm nucleus in dicot, leaf cell of a moss; prothallus cell of a ferm; gemma cell in Marchantia; meristem cell of monocot, ovum of a liverwort, and zygote of a fern.
Write a note on economic importance of algae and gymnosperms.
Both gymnosperms and angiosperms bear seeds, then why are they classified separately?
What is heterospory? Briefly comment on its significance. Give two examples.
Explain briefly the following terms with suitable examples:
(i) protonema
(ii) antheridium
(iii) archegonium
(iv) diplontic
(v) sporophyll
(vi) isogamy
Differentiate between the following:
Red algae and brown algae
Differentiate between the following:
liverworts and moss
Differentiate between the following:
homosporous and heterosporous pteridophyte
Differentiate between the following:
syngamy and triple fusion
How would you distinguish monocots from dicots?
Mock Test Series
