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FD SCI 105-Quizes
Terms in this set (55)
One of the earliest mechanical technologies employed in agriculture was the use of oxen to
Wherever in the world it occurred, as permanent settlements developed, the human diet became ___ as compared to our hunter-gatherer days
By what age is it thought that 90% of our hunter-gatherer ancestors would have been dead?
As permanent settlements gave way to full-fledged towns and cities, individuals who lived in towns were more vulnerable to ___ than people living in more rural areas
Just what basic nutrients are required for healthy living is often taken for granted. In reality, the recognized need to understand proper human nutrition is a relatively recent phenomenon. By the late 1800's, which of the following were known components of food?
The current (2014) global population is estimated to be around 7 billion people. As of 2050, the population is estimated to be
10,000,000,000 (10 billion)
The food system includes which of the following components?
Which of the following is one of the six major changes influencing the food system?
Rise in urbanization
Many plant and animal-based foods have been spread around the world, far from their origins. One example of this is:
Chili peppers; Asian cuisine
Potatoes; Irish cuisine
Eggplant; Mediterranean cuisine
Okra; southern cuisine (of the US)
Food processing technologies, such as canning, are an example of knowledge we take for granted today. During the Industrial Revolution, when canning was first being developed, it wasn't until ____ began studying bacteria that we learned why canning worked to preserve food
Which of the following is NOT a way that today's consumers affect agricultural production?
Increased rural population
The body that creates world-wide standards for food is called...
The Food and Drug Administration (FDA) regulates what aspect(s) of food in the US?
What food is imported
Nutrition facts panels on food
Food label claims
Food composition standards
Equity, efficiency, stability, sustainability, and growth are five common tenets considered when formulating what kind of policies?
The first "farm bill" was passed in the 1930's and was officially called the ____ act.
From 1971 to 1991, the amount of each dollar spent on food went from ___ to ____.
32 cents to 22 cents
By 1990, Norway increased its food self-sufficiency by 13%. This increase has had some positive effects for Norway but what could be one unintended, negative effect be?
Reduced food variety
Increased food cost
Food production in marginal environments
Economic impacts (from reduced trade)
Which of the following is NOT a common reason for laws and regulations pertaining to food?
To increase pollution in the food system
How are proposed chemical food additives tested by the FDA?
High levels are first tested in animals
Today, only a small % of the US population works on a farm. In the early 1900's, how many Americans were employed on farms?
What is the rationale for government intervention in food production?
Because farming is a high-risk business on which we all depend
Are food processors an example of a sector that provides farming inputs?
What is the BEST way to measure farming efficiency?
Ratio of outputs to inputs
The size of the US farming work-force fell by about ___ between the middle of the century to the late 1980s
7.5 million people
One barrier to farmers in adopting various "alternative" agricultural practices can be
the additional labor required
Are the Australian Aborigines an example of a culture that believed in the possession of land?
Is the number of blind American one of the 3 main factors that farmers have to take into account to manage their businesses?
In most industrialized countries (such as Japan) the % of farmers has decreased tremendously, to below 5%. The decreasing trend is also true for developing countries (such as Thailand), however, on average around ___% of their population still work in agriculture.
In order to help manage risk, some farmers find contract work appealing. Contract farming refers to the system where
A processor signs a contract to buy a farmer's product
Cargill is an example of a vertically integrated company because it
Trades grain, produces feed, raises food animals, and makes processed foods
Why is excess nitrogen in rivers and lakes a concern?
Because it can lead to overgrowth of algae
In tropical areas, forests can remove around ___kg of carbon dioxide per unit area from the surrounding air.
What is the definition of the biosphere?
The place where most life is contained
The area in which most living processes occur
About +/- 10km around sea level
It is the "thin film of life" on Earth
Which of the following is a possible result of improper irrigation?
What is true about soil?
Part of soil is the breakdown of animal excrement
Soil contains ash from volcanic eruptions
Soil can be redistributed by floods
Soil forms from bedrock and plant decomposition
Biotechnology can be defined as...
Harnessing biological processes to manipulate plants and animals
What percent of processed foods are estimated to contain a GE-derived ingredient?
What is the general name for the specific proteins in food responsible for causing allergies?
More recent GMOs being designed target countries with nutritional or medical needs. One example of this is...
Iron fortified riced; Asia & Africa
Virus-resistant sweet potatoes; Africa
Vitamin-A rich rice; south east Asia
Edible vaccines; various countries
What is an example of a non-agricultural (non-food) product produced via genetic modification?
Unlike conventional crops, GE crops are evaluated for increased ___ before they are made commercially available
The genetically modified corn called "Bt corn" was initially controversial because scientists were concerned about...
Bt corn harming non-pest insects like monarch butterflies
While the DNA introduced into new GE crops is not a safety concern, ____ produced by the GE crops are scrutinized thoroughly
Which of the following is the best definition of "genetically modified organism"?
GMO are laboratory products engineered to express certain traits or products
Many safety related concerns about GMOs have been shown to be unfounded but one debate that continues is their _____.
What is required to appear on a food label's Nutritional Facts Panel?
Which of the following is an example of a food that is exempt from nutrition labeling?
Plain, whole bean coffee
Loss of cooking skills in society today is demonstrated by the contrast in the percentage of young Britons who could cook a potato (~40%) versus the percentage who could use a computer (~____%).
True or False: Prior to the Nutrition Labeling and Education Act of 1990, standardization nutrition labeling was not required for most foods in the US
True: Nutrition labeling prior to the early 90's was largely voluntary
Consumers regularly report that food labels are an important source of information about a given food. However, according to a survey described in the book, approximately how many people could understand the label from a loaf of bread enough to identify the product as bread?
Women are largely responsible for food preparation but as more women work outside the home how has the food industry responded?
It has developed time saving products
Various product attributes (perceived or real) affect food purchasing. Which of the following is an example of a perceived attribute that is important to many consumers?
The "% Daily Values" shown on food labels are based on a 2,000-Calorie diet. Consider, for example, that you consume only 1,500 Calories per day. How should you interpret the % Daily Value's displayed?
The % DV can overestimate your dietary needs
Which of the following nutrient content claims is NOT correctly matched with the corresponding criteria?
Low-fat; >30 grams fat/serving
As societies around the world have become industrialized, people have moved from growing their own food to buying their food. In today's supermarkets and grocery stores, approximately how many different food products are available for sale?
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