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Classification of Polysaccharides Based on Function

In the Chloro...

Question

In the Chlorophyceae, the reserve food is protein surrounded by starch and forms a compact body called as

A

paramylum

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B

pyrenoid

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C

volutin

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D

floridean starch

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Solution

The correct option is B pyrenoid
Members of green algae have one or more storage bodies called pyrenoids located in the chloroplasts. Pyrenoids contain protein besides starch. Some algae may store food in the form of oil droplets. Hence, the correct answer is pyrenoid.

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Q. In the Chlorophyta, the reserve food of protein surrounded by starch, form a compact body termed as

Q. Members of Chlorophyceae store food in the form of starch or oil droplets.

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. 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. Algae with floridean starch as reserve food material is also characterised by

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Classification of Polysaccharides Based on Function

Standard XII Biology

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