Question
Read the following statements and choose the set of correct statements:
In the members of Phaeophyceae,
A. Asexual reproduction occurs usually by biflagellate zoospores.
B. Sexual reproduction is by oogamous method only.
C. Stored food is in the form of carbohydrates which is either mannitol or laminarin.
D. The major pigments found are chlorophyll a, c and carotenoids and xanthophyll.
E. Vegetative cells have a cellulosic wall, usually covered on the outside by gelatinous coating of algin.
Choose the correct answer from the options given below:
Options
Solution
Sol. [Key Concept: Characteristics of Phaeophyceae]
Brown algae usually reproduce asexually by biflagellate zoospores, store mannitol and laminarin, possess chlorophyll a and c with carotenoids including xanthophylls, and have a cellulosic wall often coated with algin. Sexual reproduction may be isogamous, anisogamous or oogamous, so B is false. A, C, D and E are correct: option (1).
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