Animal Industry
An economic advantage for using exotic breeds of beef cattle is their:
A. fast growing calves.
B. lightweight calves.
C. large size calves.
D. production of twin calves.
A. fast growing calves.
What geometric figure is best used to describe the necessary conditions for fire?
Triangle
Weather is a factor in fish farming. Why might a fish kill occur when a pond "rolls over" due to weather?
A. Temperature shock
B. Sinking cages
C. Low levels of dissolved oxygen
D. Fish turning upside down
C. Low levels of dissolved oxygen
Spaces between soil particles that permit root penetration and store air, water, and nutrients are called:
pores
The least expensive method of replacing trees harvested from the woodlot is:
A. hand planting of seedlings.
B. natural seeding.
C. using airplanes to sow seeds.
D. hiring commercial reforestation companies.
B. natural seeding.
A breed of cattle that is red with a white face and raised primarily for beef production is:
Hereford
What tool is used to push nail heads below the surface of the wood?
Carrying capacity refers to the:
A. zone of transition between the different habitat factors.
B. amount and kind of food an animal can eat.
C. number of gallons of water a stream supplies.
D. number of wildlife the habitat can support.
D. number of wildlife the habitat can support.
The tendency of soil particles to cluster together and function as soil units or aggregates is called:
structure
A career that involves moving downed trees from the cutting site to the loading area is a:
skidder operator
Purebred breeders use high-quality boars as a major way to:
A. decrease the influence of marketing on prices.
B. improve genetic makeup of one breed of swine.
C. increase body fat on hogs.
D. reduce hybrid vigor.
B. improve genetic makeup of one breed of swine.
When laying out projects to be built, one may create 45- and 90-degree angles by using a:
A. framing square.
B. ruler.
C. combination square.
D. try square.
C. combination square.
Hunting and fishing are wildlife management practices which help reduce which pressure upon wildlife populations?
A. Excess animal populations
B. Introduction of non-native species
C. Standing crop residue
D. Too much carrying capacity
A. Excess animal populations
Lime raises the soil pH level so that the soil becomes more:
alkaline
A person who assists the forest land owner in evaluating the value of timber is a:
Timber cruiser
American breeds developed by crossing the Braham from India with English breeds are bred to:
A. improve meat quality.
B. increase heat tolerance.
C. increase milk production.
D. reduce the size of calves.
B. increase heat tolerance.
Most materials will burn if they are made hot enough in the presence of:
oxygen
When a farmer leaves crop residue standing, the most likely result is:
A. a decrease in the wildlife population due to starvation.
B. an increase in wildlife population due to increased food supply.
C. increased competition from wildlife for the food supply.
D. sick wildlife that are poisoned by pesticides.
B. an increase in wildlife population due to increased food supply.
Which has the most most impact on the availability of nutrients in a soil or plant growing media?
A. Type of plants grown
B. Improper soil or media pH
C. Size of container
D. Amount of air in the media
B. Improper soil or media pH
Thinning practices are used in forests when:
A. all trees are mature and ready to be harvested.
B. competition among trees slows the growth of all trees.
C. insects and diseases have damaged many trees.
D. wind or ice storms have damaged standing trees.
B. competition among trees slows the growth of all trees.
Calcium is most important for the development of egg shells and is supplied in:
ground limestone
Any instrument with all increments shortened according to proportion is a:
scale
What type of stress can cause some animals to slow down or stop reproducing altogether as a result of malnutrition?
A. Hunting
B. Killing
C. Overpopulation
D. Overeating
C. Overpopulation
Which structure is associated with high clay content and soil particles clinging together in angular aggregates?
Blocky
A tree diameter tape is used to:
B. estimate the volume of timber in a tree.