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Examine the figure below and select the right option giving all the four part (A, B,C and D) correctly identified.

  • A

    B

    C

    D

    Archegoni Ophore

    Female thallus

    Gemma cup

    Rhizoids

  • A

    B

    C

    D

    Archegoni

    Female thallus Bud Foot
  • A

    B

    C

    D

    Seta

    Sporophyte Protonema Rhizods
  • A

    B

    C

    D

    Seta

    Sporophyte Protonema Rhizods


A.

A

B

C

D

Archegoni Ophore

Female thallus

Gemma cup

Rhizoids

Marchantia, a liverwort, is dioecious. The female thallus bears female sex organs called archegonia on special branches called archegoniophores. The plant's body is anchored by unicellular rhizoids.

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In cloning of cattle a fertillized egg is taken out of the mother’s womb and

  • the egg is divided into 4 pairs of cells which are implanted into the womb of other cows

  • in the eight cell stage, cells are separated and cultured until small embryos are formed which are implanted into the womb of other cow

  • in the eight cell stage the individual cells are separated under electrical field for further development in culture media

  • in the eight cell stage the individual cells are separated under electrical field for further development in culture media


Which one of the following plants is monoecious?

  • Marchantia

  • Pinus

  • Cycas

  • Cycas


What is common between vegetative reproduction and apomixis?

  • Both are applicable to only dicot plants

  • Both bypass the flowering phase

  • Both occur round the year

  • Both occur round the year


Keel  is characteristic of the flowers of 

  • gulmohur

  • cassia

  • Calatropis

  • Calatropis


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