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Sci. 7 -Plants for Food and Fibre FINAL (R)

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Last updated 15 days ago
38 questions
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The largest group of plants in the world is seed plants. The structure in seed plants that function to produce food for the plant is the ...
C seed
D leaf
B stem
A flower
The structure in seed plants that supports the other parts of plant is the ...
A root
D leaf
B stem
C seed
The function of the root is to ...
B support
C produce food
D reproduce
A absorb water
Moving water up a plant from the roots to the leaves occurs by a combination of different processes. The main process that draws water up from the plant roots is...
C diffusion
B capillary action
A osmosis
D transpiration
Water travels from the roots, up the stem to the leaves, through tiny tubes. The attraction of the water particles to each other is called ...
D sticky action
B capillary action
C mutual attractionn
A partner attraction
A process that does not require a difference in substance concentration is called...
C pore selection
B osmosis
A diffusion
D active transport
The beginning and end of a seed plant are selected actions that take place. The beginning of a seed plant is when a seed begins to grow into a plant. The end of the process is when a seed plant ...
C produces seeds of its own
D gets harvested and sold
B grows reproductive organs
A wilts and dies
Usually found in the very center of the flower, the female part of the flower is called the ...
B stoma
C pollen
D stigma
A ovary
Plants can also reproduce without seeds. Stems can reproduce new plants. Stems that grow underground and reproduce without seeds are called ...
D bulbs
C suckers
A runners
B rhizomes
To protect the thin needle-like leaves of white spruce trees from drying out, they are coated with a thick layer of...
D pollen
A wax
C rubber
B resin
One of the nutrients that plants need to grow healthy and develop properly is nitrogen. If plants do not get enough nitrogen, their leaves will ...
A turn yellow
C curl and turn brown
B wilt and die
D lose too much water
Plants are grown in artificial environments and get all the nutrients they need without variations in growing conditions. This is possible in a ...
C shelterbelt
B hydrofoil
D greenhouse
A garden
The four classification categories of vegetation (plant) cover in Canada include: forest, tundra, barren and this category ...
A field
C agriculture
D gardening
B meadow
Plants prevent the process that moves soil from place to place, because their roots hold the soil in place. This process is ...
B respiration
D protection
A erosion
C weathering
All organisms are connected within an ecosystem. Plants are the most important because they make their own food and they are the ...
B herbivores
A carnivores
C consumers
D producers
Destruction of many of the native species, in the grassland regions of Alberta, was caused by...
A grassland fires
D conversion to cropland
B lightning strikes
C conversion to forests
Proper forestry practices can increase the diversity of species in the forest. This is possible because careful cutting can ...
D Increase species numbers
B reduce excess light
A remove habitat
C increase light and air
Foresters, who harvest forests for the many products they provide, must follow certain regulations in order to keep this resource healthy and renewable. These regulations are established by people who...
A employ logging companies
C study harvesting effects
B manage forest resourcess
D live in the forest ecoregion
Soil is a natural resource. The components of soil include organic matter and minerals. When soil contains partly decayed organic matter it is called ...
C humus
B sand
D vegetative
A clay
This type of soil has mostly minerals and does not retain moisture very well ...
C loam
D sediment
A clay
B sand
Good healthy soil contains soil-dwellers and decomposers. The four main types of decomposers are...
B crows, raccoons, hyenas ,wolverines
D magpies, crows, raccoons, mice
A bacteria, fungi, earthworms, actinomyteso fuel
C earthworms, centipedes, bacteria, ants
When earthworms are moving through the soil they eat it, grind it, digest it and mix it. Their mucus helps stick the particles together and their tunnels provide...
B minerals
A protection
D air
C moisture
Farmers need to make money when growing crops. Most farmers only grow one type of crop in a particular area. This type of farming is called...
D single-cropping
C monoculture
B mini-cropping
A shelterbelts
The practice of planting a particular type of crop in a field every year, to match the nutrients the soil has for this particular type of crop is called ...
A monoculture
B crop rotation
D zero tillage
C summer fallow
Many farming practices are used to save the soil from excess erosion. Planting trees or shrubs along the edges of field is one such practice. The purpose behind this is to ...
B enhance crop rotation
D reduce wind damage and trap snow
C plant the seeds through the stubble
A provide travel corridors for water
An artificial plant environment is one in which all of the growing conditions can be controlled. The following is an example of an artificial environment...
A hydrofoil
D hydrolysis
C hydroponic
B hydrogenerate
Spreading manure over cropland is a technique growers use to improve the yield of different crops. This action adds this nutrient to the soil...
D organic matter
C vegetation
A salt
B calcium
A group of organisms that all have similar traits and who's offspring can reproduce are called a...
C selection
D variety
A subgroup
B species
A very small section of a plant cell's nucleus is called a...
C gene
D hybrid
B variety
A trait
The process which combines genetic material from one organism into another organism, to make a new organism is called genetic...
C engineering
D recreation
A diversity
B addition
Canola is an oilseed crop that is valued for its...
C resistance to predators
B durability
A taste and colour
D health benefits
Organic food is food that has been grown without the use of chemical fertilizers and chemical pesticides. To provide the needed nutrients to grow the plants, they use ...
C mulching and companion planting
D clean equipment and good seeds
B tillage and crop rotation
A manure and compost
Chemicals that are used as pesticides can wash off many plants and become poisonous in the soil. This is referred to as soil...
D residue
A resistance
C regeneration
B restriction
When we don't investigate all of the possible factors and outcomes for our actions in the environment, these might occur...
C natural consequences
A bio-diversification
B bio-accumulation
D unintended consequences
Balancing the needs of humans and the needs of the environment is called 'Environmental...
D Control
A Practice
B Diversification
C Management
One of the effects of monoculture farming practices is that pests feeding on that crop have a large food supply. Monoculture is also a farming practice that actually lowers ...
B biodiversity
D natural predators
C crop yield
A cost of pesticides
Forestry practice can disrupt some predator-prey relationships. Logging roads actually help predators find their prey, because the prey...
C have nowhere to hide
D don't worry about predators
A are much slower
B cannot be seen as well
What was the name of the ancient Greece Port City that disappeared due to erosion?
Sparta
Mararthon
Miletus