Economic Uses of Plant Flashcards
play a very crucial role in human lives and help all living organisms to survive
plants
plants can be used as
shelter
food
medicines
other materials
function of plants that provide food and supply nutrients to nearly all terrestrial organism
plants as food
example of food from plants (6 items)
cereals
millets
legumes
nuts
fruits
vegetable
plants are used as tires and tubes for automobiles and cycles
rubber
plant fibres can be used in: (6 items)
textiles
brush
filling
rough weaving
natural fabrics
papermaking
plant oil that evaporate in contact with air
essential oil
drying oil, semi-drying, oil, drying oil, vegetable fat
fatty oil
most
important complex sugar
sucrose
complex carbohydrate
starch
colloidal in nature;
contain a large amount of sugar
gums and resins
Arabic of commerce
obtained from Acacia senegal
best gum
are yellowish solids,
insoluble in water but soluble in
alcohol, turpentine, and spirit
resins
are fruit jellies, readily soluble
in water and can be used as food
pectin
organic compounds
and mainly glucosidal in nature
tannins
are stains
obtained from roots, leaves,
bark, fruit or wood of different
species
natural dyes
cellulose product and
one of the important use of
cellulose in the manufacture of
paper, can be made from any
natural fibrous material
paper
used for house building,
furniture, board making, bridge
construction, paper, fuel, etc
wood
used for many purposes:
viz, hats, mats, tiles, gaskets,
inner soles for shoes etc.
cork
any plant which in
one or more of its organs, contains
substances that can be used for
therapeutic purposes or which is a
precursor for the synthesis of useful
drugs
medicinal plant
WHO
listed how many medicinal
plants worldwide
21,000 medicinal plants
in Bangladesh, there is
approximately how many
medicinal plant species
1,000 medicinal plant species
substances used for smoking
fumitories
substances used for chewing
masticatories
