Multiple Choice Questions

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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.


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Algal zone is present in

  • normal root of Cycas

  • coralloid root of Cycas

  • normal root of Pinus

  • stem of Cycas


The Orobanche plant is

  • partial stem parasite

  • total root parasite

  • symbiont

  • total stem parasite


The inflorescence in Ocimum is

  • cyathium

  • verticillaster

  • hypanthodium

  • raceme


Cellulose fibre is obtained from Gossypium.

  • stem surface

  • seed hair

  • leaf surface

  • root hair


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'Reindeer moss' is common name for

  • Funaria hygrometrica

  • Marchantia sp

  • Cladonia rangifera

  • Polytrichum sp


In gametophyte of fern

  • prothallus is independent from sporophyte

  • prothallus is attached with sporophyte

  • it is main plant body

  • a structure attached with rhizome


Heterospory is the production of

  • sexual and asexual spores

  • large and small spores

  • haploid and diploid spores

  • diploid and tetraploid spores


The amphibians of plant kingdom are

  • multicellular non motile algae

  • bryophytes with simple internal organisation

  • unicellular motile algae

  • pteridophytes with complex internal organisation.


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Turpentine oil is obtained from

  • Pinus

  • Cycas

  • Cedrus

  • Delbergia


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