1.
Which combination of materials and conditions are needed for seed germination?
A. 
Enough water to digest stored food and enable growth of embryo
B. 
Pesticides and herbicides
C. 
Oxygen for the seedling to carry out aerobic respiration
D. 
Temperature of 15-20 degrees Celsius
E. 
2.
The lack of ____________ produces the yellow leaves and causes slow plant growth.
A. 
B. 
C. 
D. 
3.
The lack of ______________ causes the leaves, fruit, and roots to be small.
A. 
B. 
C. 
D. 
4.
In a bag of fertilizer used to increase flower or fruit production, what does the middle number represent?
A. 
B. 
C. 
D. 
5.
The high concentration of _______________ causes the flower and fruit production to increase.
A. 
B. 
C. 
D. 
6.
True of false: The nitrogen and potassium are still needed for healthy plant growth, but in lower percentages.
7.
What best defines biological magnification?
A. 
Biological magnification is when substances become more concentrated in organisms at higher trophic levels.
B. 
Biological magnification is when substances become less concentrated in organisms at lower trophic levels.
C. 
Biological magnification is when organisms become more concentrated in substances at higher trophic levels.
D. 
8.
True or false: Ginseng helps improve stamina; provides resistance to stress and disease; sedates and stimulates the central nervous system
9.
Which plants can be used for medical purposes?
A. 
Cocoa plant and aloe vera
B. 
Dandelion and white willow
C. 
D. 
10.
True or False. The eagles are killed because they are at high tropic level and ingest a large amount of pesticides.
11.
True or False. Any wood plant, such as maple or oak can be used to make the following items: furniture, paper, plastics, rayon, dyes, fuel.
12.
Two steps that can be taken to improve water quality and avoid soil nutrient depletion are:
A. 
Crop rotation and using cover crops
B. 
Reducing tillage and avoiding traffic on wet soil
C. 
Planting pest-resistant crops and raising farm animals and plants on thesame farms
D. 
All of the above can be taken to improve water quality and avoid soil nutrient depletion.
13.
True or False: By alternating one crop for a more drought-tolerant crop that requires less water, less fertilizer and water are needed for the plant to grow
14.
Which steps do not improve water quality and soil nutrient depletion:
A. 
Plants that cover the soil do not allow the Sun to evaporate water from the soil.
B. 
Alternating one crop for a more drought-tolerant crop.
C. 
Avoiding accidental spill of damaging materials.
D. 
15.
If ____________ is reduced, then there is less use of pesticides and nitrates.
A. 
B. 
C. 
D. 
16.
True or False: By walking on wet soil, the soil is compacted and able to hold less water, which means the nutrients are washed from the soil more easily.
17.
True or False: Keeping native crops and animals in place minimizes pest problems.
18.
_________________ provide a way to purify waste water at a lower cost than water treatment plants.
A. 
B. 
C. 
D. 
19.
True or False: Water treatment plants also provide a habitat to many living organisms.
20.
What can be done to improve wetlands?
A. 
Planting crops that will hold the soil in place.
B. 
Use environmentally friendly products
C. 
Use more pesticides and herbicides.
D. 
21.
________ are used to ward off pests that can harm the growth of crops.
A. 
B. 
C. 
D. 
22.
____________ are substances that kill or slow the growth of plants that humans consider weeds.
A. 
B. 
C. 
D. 
23.
What do organic food advocates argue?
A. 
The the use of chemicals is very harmful to our health
B. 
That if more people bought organic food, the price would eventually drop to more affordable levels
C. 
D. 
24.
True of False. One way of improving both crop resistance and yield is to cross-breed crops with wild relatives.
25.
True or False. Canada is the largest exporter of forest products in the world.