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  1. Define the following terms:

    incomplete flowers

    carpel

    monocots

    anther

    dicots

    perianth

    complete flowers

    receptacle

    filament

    pistil

    corolla

    endosperm

  2. Match the first half of a sentence in column A with the appropriate second half in column B:

    A

    B

    1. After the sepals are the petals, the next structures attached to the receptacle,

    a) creating four haploid megaspores.

    2. The pistil consists of one or more carpels

    b) forming a diploid fusion nucleus.

    3. Each one divides miotically

    c) which is part of the modified stem.

    4. Two polar nuclei from the female gametophyte combine

    d) in the center of the flower.

    5. This protects the embryo from desiccation

    e) in multiples of three.

    6. The flower parts are normally

    f) during the early stages of development.

  3. Put the parts of the sentences in the right order:

  1. In, or, carpels, flower, of, the, pistil, the, of, consists, one, center, more, the.

  2. Ovules, are, sporangia, these, called, the.

  3. Four, of, sporangia, anther, consists, each.

  4. Triploid, nucleus, tissue, triploid, as, endosperm, creates, the, known, a.

  5. Cotyledon, monocots, have, as, often, are, embryos, called, they, one, with.

FOLLOW-UP ACTIVITIES

  1. Divide the text into parts and give a title to each of them.

  2. Prepare dialogues discussing: a) the structure of the flower; b) the way of pollen; c) two subgroups of the angiosperms.

  3. Prepare a report on the topic under discussion. Contents

Unit 1. Viruses and Subviruses 3

Unit 2. Monera 10

Unit 3. Protista 16

Unit 4. Fungi 20

Unit 5. Plant Kingdom: Plantae 28

Unit 6. Bryophyta. Vascular Plants. Psilophyta. Lycophyta 34

Unit 7. Sphenophyta. Pterophyta. Gymnosperms. Cycadophyta. Ginkgophyta 40

Unit 8. Coniferophyta: Conifers. Anthophyta/Angiosperms: Flowering Plants 46

Unit 9. Typical Flower 51

56

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