Home
Current Affairs January 2024

What is the correct answer?

4

Sexual fusion in Spirogyra is

A. isogamous

B. oogamous

C. morphologically anisogamous

D. physiologically anisogamous

Correct Answer :

D. physiologically anisogamous


Related Questions

What is the correct answer?

4

The food reserve is fat/oil in

A. Xanthophyceae

B. Phodophyceae

C. Aplanospore

D. None of these

What is the correct answer?

4

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

A. Polysiphonia

B. Laminaria

C. Nostoc

D. Diatoms

What is the correct answer?

4

Alga rich in protein is

A. Ulothrix

B. Chlorella

C. Oscillatoria

D. Spirogyra

What is the correct answer?

4

The photosynthetic pigments of Chlamydomonas are located in

A. gran a

B. thylakoid

C. stroma

D. pyrenoid

What is the correct answer?

4

Simplest type of reproduction in plants is found in

A. Ulothrix

B. Nostoc

C. Chlamydomonas

D. Spirogyra

What is the correct answer?

4

Fucoxanthin is found in

A. brown algae

B. green algae

C. red algae

D. blue-green algae

What is the correct answer?

4

Sexual fusion in Spirogyra is

A. isogamous

B. oogamous

C. morphologically anisogamous

D. physiologically anisogamous

What is the correct answer?

4

The slippery nature of Spirogyra is due to covering of:

A. jelly like structure

B. mucus

C. mucilage

D. none of these

What is the correct answer?

4

A motile reproductive unit is called

A. Zygote

B. Zoospore

C. Aplanospore

D. None of these

What is the correct answer?

4

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

What is the correct answer?

4

Redness of red sea is due to

A. Red colour present in the sea water

B. Trichodesmium erythrium

C. Red algae or Batrachospermum

D. None of these

What is the correct answer?

4

Heterocysts are found in

A. Nostoc

B. Cystopus

C. Ulothrix

D. Aspergillus

What is the correct answer?

4

What is the storage product of most algae?

A. Cellulose

B. Glycogen

C. Starch and oil

D. Fat

What is the correct answer?

4

Agar-Agar is derived from

A. fungi

B. algae

C. bryophytes

D. gymnosperms

What is the correct answer?

4

Parasitic alga is

A. Cephaleuros

B. Ulothrix

C. Spirogyra

D. Chlamydomonas

What is the correct answer?

4

Filaments of Ulothrix are

A. branched

B. unbranched

C. brick-shaped

D. girdle-shaped

What is the correct answer?

4

Sea-lettuce is the common name for

A. Lamitiaria

B. Sargassum

C. Batrachospermun

D. Ulva

What is the correct answer?

4

Clump formation during sexual reproduction occurs in

A. Chlamydomonas

B. Oedogonium

C. Both (a) and (b)

D. None of these

What is the correct answer?

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

What is the correct answer?

4

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

A. Oscillatoria

B. batrachospermum

C. Sargassum

D. Haemalococcus

What is the correct answer?

4

Which of the following algae produces Palmella stage ?

A. Chlamydomonas

B. Cystopus

C. Oedogonium

D. Scytonema

What is the correct answer?

4

Fusing gametes in Ulothrix are

A. morphologically and physiologically different

B. physiologically different

C. morphologically different

D. morphologically similar physiologically different

What is the correct answer?

4

'Pond Silk' is the common name for

A. Spirogyra

B. Chlamydomonas

C. Anabaena

D. Nostoc

What is the correct answer?

4

Cyanobacteria name has been given to

A. Mycoplasma

B. Myxophyceae

C. Myxomycetes

D. Schizomycetes

What is the correct answer?

4

The blue-green algae belong to

A. Eukaryota

B. Prokaryota

C. Myxomycetes

D. None of these

What is the correct answer?

4

Nannandrium of Oedogonium is a

A. dwarf male

B. normal male

C. normal female

D. dwarf female

What is the correct answer?

4

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

A. Rhodophyceae

B. Cyanophyceae

C. Chlorophyceae

D. Phaeophyceae

What is the correct answer?

4

Ulothrix is found in

A. hot sandy desert

B. slow running water

C. rocky places

D. sea

What is the correct answer?

4

The red alga devoid of red pigment is

A. Gracilaria

B. Batrachospermum

C. Polysiphonia

D. Laminaria

What is the correct answer?

4

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

A. Nucleus

B. Cytoplasm

C. Chloroplast

D. Cell wall