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S7- Plants: Section 4.0 Quiz

Last updated 5 months ago

27 Nsɛmmisa

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Asemmisa {{asɛmmisaAhyɛnsode}}

4.

A canola crop that is grown without irrigation yields 1120 kg of seeds per hectare. With irrigation a canola
crop yields approximately 10% more seeds per hectare. The yield per hectare is now ...

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When growers and scientists work together to get more useful parts per plant, they are trying to increase ...

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2.

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 ...

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3.

In order to make an artificial environment work without soil, plants are grown in a ...

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5.

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

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6.

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

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The special traits or characteristics that distinguish one organism from another is called a ...

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8.

A plant that is selected because it is more resistant to disease is an example of ...

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9.

Scientists can now change plants by going inside the plants cells and modifying some of it’s genetic
material. This process is part of a science called ...

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10.

A very small section of a plant cell’s nucleus is called a ...

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11.

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

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12.

Canola is an oilseed crop that is valued for its ...

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13.

The breeding of super weeds may be happening with the Canola crop. This is suspected, because scientists believe the canola plant is cross-pollinating with ...

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14.

Insects, fungi and weedy plants are the pests that cause the most damage to plants. Fungi and
bacteria cause ...

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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 ...

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Canola is popular with insects, fungus and weeds. One such pest is wild oats. This pest causes damage because it ...

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Trying to get rid of certain pests can be a problem. If a non-native species is introduced to a certain area, without natural predators, it often becomes a pest. One such example was the introduction to North America from Europe of a plant that was used as a salad vegetable. It was ...

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Herbicides, insecticides and fungicides are used to control weeds, insects and fungus. The use of these pesticides caused another problem. They build up over time in the the food chain and get stored in organisms, just as food energy is stored. This process is called...

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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 ...

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Biological control is one way to reduce the effect of pests on plants. To keep a pest’s numbers under control, these biological controls would likely be used ...

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Chemicals that are used as pesticides can wash off many plants and become poisonous in the soil. This is referred to as soil ...

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When we don’t investigate all of the possible factors and outcomes for our actions in the environment, these might occur ...

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Balancing the needs of humans and the needs of the environment is called ‘Environmental ...

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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 ...

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

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Using good quality seeds, removing weeds before the seeds mature and planting a variety of crops, instead of a monoculture, will reduce the need for ...

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Sustainable practices in the production of plants, such as crop rotation, have led to other benefits that were unintentional. One such benefit is ...

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