Multiple Choice Questions

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The Orobanche plant is

  • partial stem parasite

  • total root parasite

  • symbiont

  • total stem parasite


B.

total root parasite

Total root parasites have no chlorophyll. These are common on the roots of Cruciferae and Solanaceae e.g., Balanophora and Orobanche etc.


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The inflorescence in Ocimum is

  • cyathium

  • verticillaster

  • hypanthodium

  • raceme


Cellulose fibre is obtained from Gossypium.

  • stem surface

  • seed hair

  • leaf surface

  • root hair


The amphibians of plant kingdom are

  • multicellular non motile algae

  • bryophytes with simple internal organisation

  • unicellular motile algae

  • pteridophytes with complex internal organisation.


In Chlorophyceae the mode of sexual reproduction is

  • anisogamy

  • isogamy

  • oogamy

  • all of these


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Heterospory is the production of

  • sexual and asexual spores

  • large and small spores

  • haploid and diploid spores

  • diploid and tetraploid spores


Algal zone is present in

  • normal root of Cycas

  • coralloid root of Cycas

  • normal root of Pinus

  • stem of Cycas


'Reindeer moss' is common name for

  • Funaria hygrometrica

  • Marchantia sp

  • Cladonia rangifera

  • Polytrichum sp


Turpentine oil is obtained from

  • Pinus

  • Cycas

  • Cedrus

  • Delbergia


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In gametophyte of fern

  • prothallus is independent from sporophyte

  • prothallus is attached with sporophyte

  • it is main plant body

  • a structure attached with rhizome


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