Algae Test 1

Total Questions:50 Total Time: 75 Min

Remaining:

 

Questions 1 of 50

Question:Yeast and algae are main sources of

Answers Choices:

Vitamin B complex

Vitamin C

Minerals

Vitamin K

Questions 2 of 50

Question:Sexual reproduction and mobile cells are absent in

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Chlorophyceae

Myxophyceae

Rhodophyceae

Phaeophyceae

Questions 3 of 50

Question:Botanical name of sea palm is

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Polysiphonia

Postelsia

Ectocarpus

Macrocystis

Questions 4 of 50

Question:Agar-Agar is obtained from

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Gigartina

Gelidium

Gracillaria

All the above

Questions 5 of 50

Question:Iodine is obtained from the members of

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Green algae

Brown algae

Red algae

Blue-green algae

Questions 6 of 50

Question:Example of coenocytic algae is

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Vaucheria

Chara

Nostoc

Polysiphonia

Questions 7 of 50

Question:Algae which form motile colony is

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Volvox

Nostoc

Spirogyra

Chlamydomonas

Questions 8 of 50

Question:Sporophytic generation is represented by zygote only in

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Funaria

Chlamydomonas

Pinus

Seiaginella

Questions 9 of 50

Question:In biotechnological studies, the alga that is exploited as a rich source of protein is

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Spirogyra

Spirulina

Chlamydomonas

Scytonema

Questions 10 of 50

Question:More than one pyrenoid are present in

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Ulothrix

Spirogyra

Oedogonium

All the above

Questions 11 of 50

Question:The non-motile, greatly thickened asexual spores are called

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Hypnospores

Aplanospores

Macrozoospores

Microzoospores

Questions 12 of 50

Question:Which one of the following statements concerning the algae is wrong

Answers Choices:

Most algae are photosynthetic

Algae can be classified according to their pi

All algae are filamentous

Spirogyra does not produce zoospores

Questions 13 of 50

Question:Red eye spot containing haematochrome is meant for

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Photosynthesis

Respiration

Photoreception

Movements

Questions 14 of 50

Question:Zygospore is

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Haploid

Polyploid

Diploid

None of the above

Questions 15 of 50

Question:Palmella stage is produced

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In rainy season

During unfavourable conditions

During favourable conditions

None of the above

Questions 16 of 50

Question:All cells of sex organs are formed gametes in

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Algae

Bryophyta

Pteridophyta

Gymnosperm

Questions 17 of 50

Question:Pyrenoids are made up of

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Core of starch surrounded by sheath of protein

Core of protein surrounded by fatty sheath

Proteinaceous centre and starchy sheath

Core of nucleic acid surrounded by protein sheath

Questions 18 of 50

Question:Floridean starch is found in

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Chlorophyceae

Rhodophyceae

Myxophyceae

Cyanophages

Questions 19 of 50

Question:Which of the following is obtained from algae

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Wax

Butter

Chocolate

Carragenin

Questions 20 of 50

Question:Marine algae flourished well during which period

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Triassic

Devonian

Permian

Ordovician

Questions 21 of 50

Question:Stomata are not found in

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Algae

Mosses

Ferns

Gymnosperm

Questions 22 of 50

Question:Smallest plant which contain green pigment such as higher green plant is

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Schizomycetes

Rhodophyceae

Chlorophyceae

Phaeophyceae

Questions 23 of 50

Question:Chlamydomonas does not occur in

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Fresh water

Pond and lake

River

Ocean

Questions 24 of 50

Question:Sexual reproduction in algae results in the formation of

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Oospore

Zoospore

Zygote

Zygospore

Questions 25 of 50

Question:Agar agar is obtained from

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Green algae

Red algae

Brown algae

Blue green algae

Questions 26 of 50

Question:Agranal chloroplast are found in

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Bryophytes

Gymnosperms

Green algae

Angiosperms

Questions 27 of 50

Question:Algae attached to stone is called

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Epilithic

Epifolic

Coenolithic

None of these

Questions 28 of 50

Question:Pyrenoids in green algal cells are related to

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Starch formation

Protein storage

General metabolism

Enzyme secretion

Questions 29 of 50

Question:Reserve food material in most of the algae is

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Starch

Glycogen

Fat

Sugar

Questions 30 of 50

Question:In chlamydomonas the meiosis occurs in

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Gamete

Zygote

Sporogonium

Zoospore

Questions 31 of 50

Question:Spirogyra is a

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Fresh water and free floating alga

Marine and free floating alga

Fresh water and locomotory alga

None of the above

Questions 32 of 50

Question:Maximum number of chloroplasts recorded in Spirogyra is

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6

12

20

16

Questions 33 of 50

Question:Which structure of Spirogyra is flagellated

Answers Choices:

Physiologically different male gametes

Physiologically different female gametes

Zygospore

None of the above

Questions 34 of 50

Question:Pond silk' is the common name of

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Ulothrix

Spirogyra

Vaucheria

Oedogonium

Questions 35 of 50

Question:Chloroplasts of Spirogyra have

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Smooth margin

Wavy margin

Smooth or wavy margin

None of the above

Questions 36 of 50

Question:Unique character of Spirogyra vegetative cell is

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Cell wall is definite and thick

Cell wall is hygroscopic

Pyrenoid bodies are present

Nucleus is having cytoplasmic strands

Questions 37 of 50

Question:In Spirogyra

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The filaments showing scalariform conjugation are homothallic

The filaments showing lateral conjugation are homothallic

The filaments showing lateral conjugation are heterothallic

Asexual reproduction occurs by zoospores

Questions 38 of 50

Question:Lateral conjugation involves

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Only one filament

Two filaments

Many filaments

None of the above

Questions 39 of 50

Question:The zygote containing 4 meiospores in .Spirogyra is called

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Akinete

Parthenospore

Incipient sporophyte

Chlamydospore

Questions 40 of 50

Question:Replicate septum of Spirogyra is characterised by

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Ring like growth

A peg like protuberance

A spiral outgrowth

A perforation in the plate

Questions 41 of 50

Question:Zygotic meiosis takes place in

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Selaginella

Spirogyra

Pinus

Brassica

Questions 42 of 50

Question:Physiological anisogamous sexual reproduction is found in

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Mucor

Selaginella

Pinus

Spirogyra

Questions 43 of 50

Question:Spirogyra has a

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Haplontic life cycle

Diplontic life cycle

Haplobiontic life cycle

Diplobiontic life cycle

Questions 44 of 50

Question:Chloroplast in Ulothrix is

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Reticulate

Cuplike

Spiral

Girdle shaped

Questions 45 of 50

Question:Ulothrix produces

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Isogametes

Anisogametes

Ascospores

Heterogametes

Questions 46 of 50

Question:Ulothrix occurs in

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Running fresh water

Stagnant fresh water

Running salt water

Stagnant salt water

Questions 47 of 50

Question:Pigments present in Ulothrix are

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Chl. a, Chl b and phycocyanin

Chl a, Chl c, phycocyanin and fucoxanthin

Chl. a, Chl b, carotenes and xanthophylls

Chl a and fucoxanthin

Questions 48 of 50

Question:A cell of Ulothrix has chloroplasts

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1

2

3

4

Questions 49 of 50

Question:The zoospores of Ulothrix are liberated by

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Degeneration of lateral walls

Formation of a pore in lateral wall

Gelatinization of lateral wall

Gelatinization of all the cell walls

Questions 50 of 50

Question:Which is correct statement for Ulothrix

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Filamentous alga with flagellated reproductive stages

Filamentous alga with nonflagellated reproductive stages

Membranous alga producing zoospores

Nonmotile colonial alga lacking reproductive stages