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Which among the following is applicable to the members of Phaeophyceae?

A

Pigments of chlorophyll a and b; stored food starch, cell wall of cellulose and pectin

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B

Pigments chlorophyll a and c; stored food mannitol and laminarin, cell wall of cellulose and algin

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C

Pigments chlorophyll a and d, stored food floridean starch, cell wall of cellulose, pectin and polysulphate esters

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D

Pigments chlorophyll a and c; stored food floridean starch, cell wall of cellulose and chitin

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Solution

The correct option is B
Pigments chlorophyll a and c; stored food mannitol and laminarin, cell wall of cellulose and algin

Brown algae contain the Pigments chlorophyll a and c; the reserve food material is mannitol and laminarin and the cell wall is made up of cellulose and algin.

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Similar questions

Q. This class of algae has chlorophyll a, c and fucoxanthin as major pigments, uses mannitol and laminarin to store food and its cell wall has cellulose and algin. Identify the class of algae.

Q. Consider the following statements regarding the major pigments and stored food in the different groups of algae and select the correct options given.
A. In chlorophyceae, the stored food material is starch and the major pigments are chlorophyll a and d.
B. In phaeophyceae, laminaria is the stored food and major pigments are chlorophyll a and b.
C. In rhodophyceae, floridean starch is the stored food and the major pigments are chlorophyll a, d and phycoerythrin

Q. Pick the option which includes all the correct statements from the following.

A. Chlorophyceae: Chlorophyll a and chlorophyll c pigments, starch-stored as food, asexual reproduction by zoospores.

B. Phaeophyceae: Fucoxanthin pigment, mannitol-stored as food, pear-shaped zoospores with 2, unequal sized apical flagella.

C. Rhodophyceae: Phycoerythrin pigment, floridean starch, reproduction by non-motile spore.

Q. This class of algae has its cell wall made up of cellulose and algin, with chlorophyll a, c and fucoxanthin as its pigments. The reserve food is mannitol and laminarin. Identify the class.

Q. Consider the following statements regarding the
major pigments and stored food in the different
groups of algae and choose the correct option

(i) In chlorophyceae, the stored food material is starch and the major pigments are chlorophyll a and d.

(ii) In phaeophyceae, laminarin is the stored food and major pigments are chlorophyll a and b.

(iii) In rhodophyceae, floridean starch is the stored food and the major pigments are chlorophyll a, d and phycoerythrin

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