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4

The food reserve is fat/oil in

A. Xanthophyceae

B. Phodophyceae

C. Aplanospore

D. None of these

Correct Answer :

A. Xanthophyceae


Related Questions

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4

Asexual reproduction in Spirogyra

A. takes place by zoospore formation

B. has not been recorded

C. takes place by hypnospore formation

D. takes place by aplanospore formation

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4

The food reserve in blue green algae is

A. cyanophycean starch

B. globulin

C. fats and oils

D. cellulose

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4

Fucoxanthin is found in

A. brown algae

B. green algae

C. red algae

D. blue-green algae

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4

A motile reproductive unit is called

A. Zygote

B. Zoospore

C. Aplanospore

D. None of these

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4

Alga rich in protein is

A. Ulothrix

B. Chlorella

C. Oscillatoria

D. Spirogyra

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In Ulothrix, reduction division takes place at the time of

A. germination of zygote

B. formation of spores

C. formation of gametes

D. formation of zoospores

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4

The photosynthetic pigments of Chlamydomonas are located in

A. gran a

B. thylakoid

C. stroma

D. pyrenoid

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4

Simplest type of reproduction in plants is found in

A. Ulothrix

B. Nostoc

C. Chlamydomonas

D. Spirogyra

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Pyrenoids are found in which of the following organs of Spirogyra:

A. Nucleus

B. Cytoplasm

C. Chloroplast

D. Cell wall

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4

Parasitic alga is

A. Cephaleuros

B. Ulothrix

C. Spirogyra

D. Chlamydomonas

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4

Sexual fusion in Spirogyra is

A. isogamous

B. oogamous

C. morphologically anisogamous

D. physiologically anisogamous

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4

The food reserve is fat/oil in

A. Xanthophyceae

B. Phodophyceae

C. Aplanospore

D. None of these

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4

Heterotrichous habit is shown by

A. Chlamydomonas

B. Oedogonium

C. Stigeoclonium

D. Ulothrix

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4

Haematochrome is a :

A. non-photosynthetic pigment found in algae

B. photosynthatic pigment found in algae

C. both (a) and (b)

D. none of these

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4

The red snow balls of alpine regions are due to the growth of

A. Oscillatoria

B. batrachospermum

C. Sargassum

D. Haemalococcus

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4

'Pond Silk' is the common name for

A. Spirogyra

B. Chlamydomonas

C. Anabaena

D. Nostoc

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4

The algae which help in the fixation of nitrogen belongs to class

A. Rhodophyceae

B. Cyanophyceae

C. Chlorophyceae

D. Phaeophyceae

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4

Heterocysts are found in

A. Nostoc

B. Cystopus

C. Ulothrix

D. Aspergillus

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Fusing gametes in Ulothrix are

A. morphologically and physiologically different

B. physiologically different

C. morphologically different

D. morphologically similar physiologically different

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Clump formation during sexual reproduction occurs in

A. Chlamydomonas

B. Oedogonium

C. Both (a) and (b)

D. None of these

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4

Red colour of the red algae is due to

A. y-phycocyanin

B. Xanthophyll

C. Carotene

D. y-phycoerythrin

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Filaments of Ulothrix are

A. branched

B. unbranched

C. brick-shaped

D. girdle-shaped

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4

Nannandrium of Oedogonium is a

A. dwarf male

B. normal male

C. normal female

D. dwarf female

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Spirogyra differs from moss-protonema in having

A. pyrenoids

B. branched filaments

C. discoid chloroplasts

D. rhizoidal branches

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4

The slippery nature of Spirogyra is due to covering of:

A. jelly like structure

B. mucus

C. mucilage

D. none of these

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4

Cyanobacteria name has been given to

A. Mycoplasma

B. Myxophyceae

C. Myxomycetes

D. Schizomycetes

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Which one of the following algae is a source of iodine ?

A. Polysiphonia

B. Laminaria

C. Nostoc

D. Diatoms

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Ulothrix is found in

A. hot sandy desert

B. slow running water

C. rocky places

D. sea

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A thick-walled spore meant for perenna-tionis

A. aplanospore

B. akinete

C. hypnospore

D. zoospore

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Which is a rich source of protein ?

A. Nostoc

B. Anabaena

C. Spirulitia

D. Oscillatoria