In Chlorophyceae the mode of sexual reproduction is from Biology

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

81.

The inflorescence in Ocimum is

  • cyathium

  • verticillaster

  • hypanthodium

  • raceme


82.

Cellulose fibre is obtained from Gossypium.

  • stem surface

  • seed hair

  • leaf surface

  • root hair


83.

The amphibians of plant kingdom are

  • multicellular non motile algae

  • bryophytes with simple internal organisation

  • unicellular motile algae

  • pteridophytes with complex internal organisation.


Advertisement

84.

In Chlorophyceae the mode of sexual reproduction is

  • anisogamy

  • isogamy

  • oogamy

  • all of these


D.

all of these

In isogamy, gametes are morphologically and physiologically same, in anisogamy gametes are morphologically different but physiologically same and in oogamy, gametes are both morphologically and physiologically different e.g., Ulothrix and Spirogyra members of Chlorophyceae.


Advertisement
Advertisement
85.

Heterospory is the production of

  • sexual and asexual spores

  • large and small spores

  • haploid and diploid spores

  • diploid and tetraploid spores


86.

Algal zone is present in

  • normal root of Cycas

  • coralloid root of Cycas

  • normal root of Pinus

  • stem of Cycas


87.

The Orobanche plant is

  • partial stem parasite

  • total root parasite

  • symbiont

  • total stem parasite


88.

'Reindeer moss' is common name for

  • Funaria hygrometrica

  • Marchantia sp

  • Cladonia rangifera

  • Polytrichum sp


Advertisement
89.

Turpentine oil is obtained from

  • Pinus

  • Cycas

  • Cedrus

  • Delbergia


90.

In gametophyte of fern

  • prothallus is independent from sporophyte

  • prothallus is attached with sporophyte

  • it is main plant body

  • a structure attached with rhizome


Advertisement