Ectocarpus is

Ectocarpus shows

Male gametes are flagellated in 1. Anabaena 2. Ectocarpus 3. Spirogyra 4. Polysiphonia

How many organisms show diplotic life cycle ? Selaginella, Equisetum , Cycas , Cedrus , Ectocarpus , Fucus , sequoia

Identify the odd one in each group and give justification (a) Ectocarpus, sargassum, Fucus, Chlamydomonous (b) Psilotum, Selaginella, Petris Gnetum

How many organisms show diplotic life cycle ? Selaginella, Equisetum , Cycas , Cedrus , Ectocarpus , Fucus , sequoia

ANALOGY TYPE QUESTIONS : Note the relationship between the first two words and suggest a suitable word for fourth place : Ectocarpus : Zoospores :: Penicillium: …………….

Identify the correct pair combinations (i) Chara - Monosporous - Chlorophyll a, b (ii) Salvinia - Homosporous - Free floating hydrophytes (iii) Ectocarpus- Filamentous form - Chlorophyll a, d Laminaria - Biflagellate gametes - Haplodiplontic lifecycle