APES Chapter 12 and Chapter 17 True and False
Accumulation of salts as result of continual irrigation is called water logging
False
Agriculture is just behind the housing industry in total annual sales
False
All chemicals in commercial use were screened for toxicity before they were deemed acceptable for use
False
Americans spend more of their household income on food than they did in 1966
False
Bisphenol A (BPA) is a naturally occurring hormone produced by the human body
False
Broad spectrum pesticides are toxic only to pests, not to beneficial insects
False
Canada has the highest overnutrition rate in the world
False
Determining how much harm a particular hazard can cause is called risk management
False
Hundreds of thousands of children under 6 years of age go blind each year because of a lack of iron
False
It takes an average of 3 to 5 years for an HIV infection to progress to AIDS
False
Most of the children who suffer from undernutrition are in the developed countries
False
Of all the PCBs made in the US, only 20% remain in the environment
False
Since 1960 there has been only a slight increase in global food production from all systems
False
Teratogens are chemicals that cause cancer
False
The U.S. leads the world in the amount of its cropland dedicated to growing organic food
False
The green revolution continues to increase the amount of available food, meeting the needs of the increasing human population for the foreseeable future
False
The only form of agriculture that is sustainable in the ling run is industrialized agriculture
False
There are no limits to expansion of the green revolution s
False
Three fourths of the genetic diversity of agricultural crops is still available to produce food
False
Viruses respond well to antibiotics
False
We tend to be far more frightened of everyday risks, such as diabetes or smoking, than about plane crashes.
False
Wind is the largest cause of soil erosion
False
A nontransmissible disease is caused by something other than a living organism
True
A study published in 2007 by the Centers for Disease Control and Prevention indicated that 93% of humans over 6 years of age had trace levels of BPA in their urine that exceeded the current threshold level set by EPA
True
AIDS is a pandemic
True
Diseases that have been absent in human populations for 20 or more years and then reappear, are called emergent diseases.
True
Estimating human exposure to chemicals and their effects is very difficult because of the many variables involved
True
Estrogen mimics and hormone blockers are sometimes called gender benders because of their possible effects on sexual development and reproduction
True
Fear causes people to overestimate risks and worry more about unusual risks than they do for common, everyday risks
True
Genetically modified food doesn't have to be labelled.
True
Genetically modified organisms (GMO) have genes from organisms with which they cannot breed in nature
True
Gov't subsidies to farmers and fishing fleets promotes the exploitation of natural capital
True
Hormone mimics can cause human males to become feminized, have smaller penises, lower sperm counts, and hermaphroditism
True
In 2009, rising food prices and a sharp drop in international food aid resulting in more than 1 billion people being hungry and malnourished
True
In terms if the number of premature deaths per year and reduced life span, the greatest risk, by far, is malaria
True
In the human body hormones operate at very low levels controlling reproduction, growth, development, learning ability, and behavior
True
Industrialized agriculture is often associated with a single crop, called a monoculture agriculture
True
Just one centimeter of topsoil (0.4 inch) can take a century to form
True
Large scale, industrialized fishing fleets use 12.5 times more energy catching fish than the fish provide t the people who eat them
True
One out of every twelve women of child bearing age in the US has enough mercury in her blood to harm a developing fetus
True
One significant source of mercury emission into the atmosphere is from coal-burning power plants.
True
Organic farming is more labor intensive than traditional farming and therefore costs more
True
Over the course of human history, malarial protozoa probably have killed more people than all the wars ever fought
True
People with AIDS are 30 to 50 times mire likely to develop active tuberculosis
True
Projected climate is expected to greatly increase severe and prolonged drought and expand desertification in this century
True
Research has indicated that long-term exposure to some chemicals may disrupt the body's immune, nervous, and endocrine systems
True
Six million children under the age of 5 die each year from normally nonfatal diseases because of their weakened condition
True
Slash and burn polyculture may be a sustainable alternative to traditional monoculture agriculture
True
Some chemicals released to the environment are hormone disruptive and are probably responsible for lower sperm counts in human males
True
Spiders kill far more insects every year than humans so by using chemicals
True
Supporters of more sustainable agricultural systems point out we have all of the components needed to shift to these systems
True
The amount of Americans spend each year to lose wight in 2xs what the world needs to end under nutrition and malnutrition
True
The methane that cattle produce each year in the U.S. has atmospheric warming effect equal to that of 33 million automobiles
True
The overall aim of integrated pest management is to reduce crop damage to an economically tolerable level
True
The world's population increase between now ans 2050 will likely be 8xs the current U.S. population
True
There is no clear cut evidence that organic foods are nutritionally healthier to eat than conventional foods
True
Today we produce more than enough food to meet the basic nutritional needs of every person on the earth. i
True
Twenty six million children suffer irreversible brain damage each year because of a lack of iodine in their debt
True
Unless the over exploitation of ocean fisheries is reduced, most of the world's major ocean fisheries could collapse sometime during this century.
True
