Question 1

High responder crops of the green revolution produce tremendous yields

Accepted Answer

A)  even in severe drought conditions. 
B)  with primitive farming techniques and no chemical use. 
C)  in response to fertilizers, pesticides, and irrigation. 
D)  in all conditions where standard crops fail. 
E)  in response to fertilizers, pesticides, and irrigation and only "good" yields in less than ideal situations.

Question 2

What is the advantage of genetically modified crops?

Accepted Answer

A)  they can be designed to resist drought 
B)  they offer improved resistance to pests and diseases 
C)  they can be engineered to improve yield 
D)  they can be altered to produce vaccines 
E)  All of these are benefits to GMOs.

Question 3

A natural form of fertilizer would be

Accepted Answer

A)  manure. 
B)  phosphorous application. 
C)  nitrogen. 
D)  corn plantings. 
E)  All of these are correct.

Question 4

The USDA estimates ______ percent of conventionally grown foods are contaminated with pesticide residue.

Accepted Answer

A)  11 
B)  23 
C)  34 
D)  58 
E)  73

Question 5

Soil organisms usually stay __________ the soil.

Accepted Answer

A)  deep below the surface of 
B)  near the middle of 
C)  close to the surface of 
D)  spread uniformly throughout 
E)  About half stay close to the surface and the other half stay deep below the surface of the soil.

Question 6

Waterlogging results from

Accepted Answer

A)  toxic metal accumulation. 
B)  excessive irrigation. 
C)  excessive plowing. 
D)  natural wind erosion processes. 
E)  natural water erosion processes.

Question 7

The biggest worry about a genetically modified Atlantic salmon with extra growth hormones is that it will introduce these hormones into our diet.

Accepted Answer

A) True 
 B)False

Question 8

Undernourished parents often raise children who are undernourished because the parents

Accepted Answer

A)  transfer genetic deficiencies to their children. 
B)  do not know any better. 
C)  cannot afford to feed their children properly. 
D)  do not have access to information about nutrition. 
E)  All of these are reasons for the vicious cycle.

Question 9

Obesity is a disease that affects

Accepted Answer

A)  poor, developing nations. 
B)  wealthy, developed nations 
C)  every nation equally. 
D)  nations that utilize beef and rice as major food sources.

Question 10

Wind erosion is most likely to cause problems in

Accepted Answer

A)  forested grazing lands on high mountains. 
B)  open, arid regions. 
C)  fertile river bottoms with annual floods. 
D)  agricultural regions in the far north. 
E)  protected, arid region.

Question 11

Methods of managing topography include all but which of the following?

Accepted Answer

A)  terracing 
B)  contour plowing 
C)  deep tilling 
D)  strip-farming

Exam 7: Food and Agriculture