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How many of the given characters are ass...

How many of the given characters are associated with brown algae (Laminarin, Sulphated phycocolloids, Apical flagella, Fucoxanthin, Heterokont flagellation, chlorophyll c, Carotenoids, Pear-shaped zoospores, Oogonium, Pyriform gametes, Most complex post- fertilization development)

A

Eight

B

Six

C

Seven

D

Five

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Some characters of algae are given below a. Floridean starch b. Sulphated phycocolloids in cell wall c. Alginic acid d. Trumpet hypha e. Haplodiplontic life cycle f. Isomorphic alternation of generation g. Fucoxanthin h. Phycoerythrin i. Zygotic meiosis j. Tow anterior flagella Which of the given set of characters belongs to Laminaria ?

Read the following features for brown algae a- Presence of pigments Chlorophyll a and c. carotenoids and xanthophyll (fucoxanthin), b- Cell wall is composed of cellulose, pectin and hydrocolloids like carrageen. c- Gametes are pyriform with two laterally attached flagella d-Stored food may be in form of laminarin or mannitol d- Deepest dweller

Which of the following are the characteristics of phaeophyceae ? (i) possess chlorophyll a,c carotenoids and xanthophylls. (ii) Food stored is in the from of laminarin and mannitol. (iii) Asexual reproduction by biflagellate zoospores that have two equal apically attached flagella. (iv) Cell wall has cellulose and algin. (v) sexual reproduction is oogamous only. (vi) Gametes have two laterally attached flagella.

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