An alga which can be employed as food for human being is  from

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 Multiple Choice QuestionsMultiple Choice Questions

1.

Which one of the following statements is wrong?

  • Golden algae are also called desmids

  • Eubacteria are also called false bacteria

  • Phycomycetes are also called algal fungi

  • Phycomycetes are also called algal fungi

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2.

Select the correct statement

  • Salvinia, Gingko and Pinus all are gymnosperm

  • Sequoia is oneis one ot the talles trees

  • The leaves of gymnosperm are not well adapted to extremes of climate

  • The leaves of gymnosperm are not well adapted to extremes of climate

1383 Views

3.

Isogamous condition with non-flagellated gametes is found in

  • Chlamydomonas

  • Spirogyra

  • Volvox

  • Volvox

2031 Views

4.

Which of the following are likely to be present in deep sea water?

  • Archaebacteria

  • Eubacteria

  • Blue-green algae

  • Blue-green algae

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5.

In which of the following gametophyte is not independent free-living?

  • Funaria

  • Marchantia

  • Pteris

  • Pteris

2768 Views

6.

Which one of the following statements is wrong?

  • Algin and carrageenian are products of algae.

  • Agar-agar is obtained from Gelidium and Gracilaria

  • Chlorella and Spirulina are used as space food

  • Chlorella and Spirulina are used as space food

918 Views

7.

Which one is a wrong statement?

  • Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms

  • Mucor has biflagellate zoospores

  • Haploid endosperm is typical feature of gymnosperms

  • Haploid endosperm is typical feature of gymnosperms

3317 Views

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8.

An alga which can be employed as food for human being is 

  • Ulothrix

  • Chlorella

  • Spirogyra

  • Spirogyra


B.

Chlorella

Chlorella is an attractive potential food source new-a -days: because it is high in protein and other essential nutrients. When dried, it contains about 45% protein, 20% fat, 20% carbohydrates 5% fibre and 10% minerals along with vitamins. It mainly used as a food supplement for astronauts.

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9.

Which one of the following is a correct statements?

  • Pteridophyte gametophyte has a protonemal and leafy stage

  • In gymnosperms female gametophyte is free-living

  • Antheridiophores and archegoniophores are present in pteridophytes

  • Antheridiophores and archegoniophores are present in pteridophytes

611 Views

10.

They cyanobacteria area also referred to as

  • protists

  • golden algae

  • slime moulds

  • slime moulds

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