Question: 100% NCERT covered from Particular Keyword.Explanations are 100% from NCERT | [Difficult level: Easy] From NCERT NEET Derived Question.
In which of the following, all listed genera belong to the same class of Algae?
(a) Chara, Fucus, Polysiphonia
(b) Volvox, Spirogyra, Chlamydomonas
(c) Porphyra, Ectocarpus, Ulothrix
(d) Sargassum, Laminaria, Gracillaria
Answer:(b) Volvox, Spirogyra, Chlamydomonas
Examples from NCERT:
👉Chlorophyceae:Chlamydomonas, Volvox, Ulothrix, Spirogyra and Chara
👉Phaeophyceae:Ectocarpus, Dictyota,
Laminaria, Sargassum and Fucus
👉Rhodophyceae:Polysiphonia,
Porphyra , Gracilaria and Gelidium.
👉BRYOPHYTES:liverworts and mosses.
👉Liverworts:Marchantia
👉Mosses:Funaria, Polytrichum and Sphagnum
👉PTERIDOPHYTES:(a) Selaginella (b) Equisetum (c) Fern (d) Salvinia
👉The pteridophytes are further classified into four classes: Psilopsida
(Psilotum); Lycopsida (Selaginella, Lycopodium), Sphenopsida (Equisetum)
and Pteropsida (Dryopteris, Pteris, Adiantum).