Page 91 - General and Inorganic Chemistry for Advanced Secondary Schools Students Book Form Five and Six

Biology for Secondary Schools

Kingdom Plantae (b) They have cell organelles called
Kingdom Plantae is composed of a chloroplasts that contain chlorophyll.
wide variety of plants. Members of (c) Green plants are photoautotrophs.
this kingdom vary greatly in size, This means that they manufacture
forms, habitat, means of reproduction, their own food using sunlight through
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and morphology. Kingdom Plantae the process of photosynthesis.
includes; moss, ferns, cone bearing (d) Some plants reproduce sexually
plants, and flowering plants. Plants are
found in various habitats, such as on through flowers or cones while
land, in oceans, and in freshwater. others reproduce asexually by means
of spores or vegetative propagation.
Activity 5.6: Investigating plant parts (e) Their cells are organised into tissues,
organs, and organ systems.
Materials: A variety of plants, hand
lens, notebook and pen or pencil (f) They show limited movement, for
example opening and closing of
Procedure flower petals and growth movements

1. Collect a variety of plants from towards stimuli such as light and
the school or home environment. water.
Caution Distinctive features of members of
Care must be taken when the kingdom Plantae
collecting plants, some plants (a) They have a cell wall made up of
such as milkweed and oleander cellulose.
are poisonous.
(b) Higher plants have vascular tissues
2. Examine each of the plant parts for conduction of water, mineral
using a hand lens. The parts to be salts, and manufactured food.
examined include roots, stems, (c) They store food in the form of
leaves, flowers, and fruits. Do all starch.
plants have these parts?
3. Group the plants according to Divisions of kingdom Plantae
their similarities and differences.
The kingdom Plantae is divided into
four main divisions. These are: division
General characteristics of members
of the kingdom Plantae Bryophyta; division Filicinophyta or
(a) They are multicellular and eukaryotic Pteridophyta; division Coniferophyta;
organisms. and division Angiospermophyta.

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