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Plant Kingdom

A research sc...

Question

A research scholar once collected certain alga and found that its cells contained chlorophyll-a, chlorophyll- b and phycoerythrin. The alga must belong to

A

Chlorophyceae

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B

Rhodophyceae

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C

Bacillariophyceae

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D

Cyanophyceae

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Solution

The correct option is B
Rhodophyceae

Algae are classified based on pigments.Rhodophyceae are classified as red algae as they have abundant phycoerythrin.

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A student observed an algae with chlorophyll a, b and phycoerythrin, it should belong to

Q. Match the following.

	ALGAE		PIGMENT
1	Rhodophyceae	i	Chlorophyll a,b and carotene
2	Phaeophyceae	ii	Chlorophyll a,c,d and xanthophyll
3	Chlorophyceae	iii	Chlorophyll a,d and phycoerythrin
		iv	Chlorophyll a,c and fucoxanthin

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 b.
B) In Phaeophyceae, laminarin 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. Chlorophyll a and d are found in which algae

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.

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