Sci. 7 Plants UNIT FINAL - Don Moon | Library

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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 ...

 stem

 leaf

 flower

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The structure in seed plants that supports the other parts of plant is the ...

 stem

 root

 seed

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The function of the root is to ...

A absorb water

B support

C produce food

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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...

A osmosis

B diffusion

C transpiration

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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 ...

A partner attraction

B capillary action

C mutual attractionn

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Osmosis is the movement of ONLY water particles through a membrane. When the concentration of water in the soil is greater than the concentration of water in the roots of the plant, the water particles will move to the...

A stem tissue

B leaf cells

C root hairs

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A process that does not require a difference in substance concentration is called...

A diffusion

B osmosis

C active transport

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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 ...

A wilts and dies

B grows reproductive organs

C produces seeds of its own

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Usually found in the very center of the flower, is the female part of the flower. This part is called the ...

A ovary

B stoma

C pollen

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Plants can also reproduce without seeds. Stems can also reproduce new plants. Stems that grow underground and reproduce without seeds are called ...

A runners

B rhizomes

C suckers

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To protect the thin needle-like leaves of white spruce trees from drying out, they are coated with a thick layer of...

A wax

B resin

C rubber

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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

B wilt and die

C curl and turn brown

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Plants are grown in artificial environments and get all the nutrients they need without variations in growing conditions. This is possible in a ...

A garden

B shelterbelt

C greenhouse

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The four classification categories of vegetation (plant) cover in Canada include: forest, tundra, barren and this category ...

A field

B meadow

C agriculture

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Plants prevent the process that moves soil from place to place, because their roots hold the soil in place. This process is ...

A erosion

B respiration

C weathering

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All organisms are connected within an ecosystem. Plants are the most important because they make their own food and they are the ...

A carnivores

B herbivores

C producers

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Paintbrush is a red flowering plant that grows throughout Alberta. The Aboriginal people used this plant to treat rheumatism and its flowers could be eaten as a...

A pain killer

B sweet treat

C headache relief

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Destruction of many of the native species, in the grassland regions of Alberta, was caused by...

A grassland fires

B lightning strikes

C conversion to cropland

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Proper forestry practices can increase the diversity of species in the forest. This is possible because careful cutting can ...

A remove habitat

B reduce excess light

C increase light and air

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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

B manage forest resourcess

C study harvesting effects

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Soil is a natural resource. The components of soil include organic matter and minerals. When soil contains partly decayed organic matter it is called ...

A clay

B sand

C humus

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This type of soil has mostly minerals and does not retain moisture very well ...

A clay

B sand

C loam

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Good healthy soil contains soil-dwellers and decomposers. The four main types of decomposers are...

A bacteria, fungi, earthworms, specialized decomposers

B crows, raccoons, hyenas ,wolverines

C earthworms, dogs, centipedes, bacteria, bats

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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...

A protection

B minerals

C air

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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...

A shelterbelts

B mini-cropping

C monoculture

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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

C summer fallow

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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 ...

A enhance crop rotation

B plant the seeds through the stubble

C reduce wind damage and trap snow

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Spreading manure over cropland is a technique growers use to improve the yield of different crops. This action adds this nutrient to the soil...

A salt

B calcium

C organic matter

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A group of organisms that all have similar traits and who's offspring can reproduce are called a...

A subgroup

B species

C selection

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The process which combines genetic material from one organism into another organism, to make a new organism is called genetic...

A diversity

B addition

C engineering

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Dandelions are super weeds because they had no natural controls when they were introduced to North America from Europe. They were brought here to be used as a...

A flowering plant

B salad vegetable

C medicinal plant

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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 ...

A manure and compost

B tillage and crop rotation

C mulching and companion planting

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Forestry practice can disrupt some predator-prey relationships. Logging roads actually help predators find their prey, because the prey...

A are much slower

B cannot be seen as well

C have nowhere to hide