Structures & Adaptations
Plant Reproduction & Breeding
Meeting the Need for Food & Fibre
Sustaining the Soil
Pests and Control
100
The anchor of a plant, that also absorbs water and nutrients.
What are roots?
100
The enlarged ovary of the flower that protects the developing seeds.
What is fruit?
100
Farmers water their crops using a system of large pipes and sprinklers which can cause soil to become salty.
What is irrigate and salinization?
100
The mineral (non-organic) matter (rock, soil, clay) from which soil is developed.
What is parent material?
100
What are 3 pests groups and how do they harm crops?
Weeds: steal nutrients from the crop
Fungus: spread disease
Insects: eat the crop
200
The process by which molecules spread from areas of high concentratiion to areas of low concentration.
What is diffusion?
200
What are 3 different ways to asexually reproduce plants? Which one is the one where soil covers the stem and a new plant grows? 
Grafting, cutting, and layering. Layering is where soil covers the stem running on the ground and a new plant is formed.
200
Growing only one type of plant in the field.
What is monoculture?
200
Name ways to conserve the quality of the soil and prevent erosion.
Cultivate less often and use a wide-shoveled cultivator (disturbs less soil)
Plant shelter belts and forages.
Practice zero-tillage.
Irrigate less
- Seeding and reshaping waterways
200
A substance used to control insects or other organisms that are harmful to plants or animals. Can harm non-target organisms, can create resistant pest species, can build up in soil as chemical residue.
What is a pesticide?
300
A chemical process that converts carbon dioxide into organic compounds, especially sugars, using the energy from sunlight.
What is photosynthesis?
300
The part of a cell that controls the organism's characteristics is called the gene. When scientists change genes of plants, they can add desirable characteristics.
What are genetic modification?
300
How does water move into and out of a plant?
It is pulled by transpiration and pushed by osmosis.
300
Planting a row of trees along the edge of a field to protect crops and reduce erosion.
What are shelterbelts?
300
Using a pest's natural enemy to control it.
What is biological control?
400
Heartwood, xylem, cambium, phloem, and bark are ____________. The growing part is the _____________.
What are the 5 layers of a tree stem and the cambrium
400
- Stigma
- Style
- Ovary
- Ovules
What is the female part of a flower (or pistil)?
400
Hemp, cotton, and flax.
What are the 3 most common materials for making clothing?
400
A technique for growing plants without soil.
What is hydroponics?
400
Pollutant concentration increasing higher up the food chain.
What is biomagnification?
500
Sunlight + CO₂ + H₂0 = C₆H₁₂O₆ (sugar) + O₂
What is the formula for photosynthesis?
500
What is germination and the best conditions for it?
The development of a seed into a new plant. Plants germinate best in warm, moist and dark places.
500
Reseeding and replanting after harvesting trees to ensure that a forest is sustainable.
What is reforestation?
500
What are the three nutrients labelled as numbers on a bag of fertilizer?
Nitrogen, phosphorus, and potassium.
500
The of decomposer in the soil the mixes, aerates, and digests the soil.
What are earthworms?