Correct Answer
verified
Multiple Choice
A) a loss of 162,000 hectares per year.
B) a loss of 400,000 hectares per year.
C) a gain of 162,000 hectares per year.
D) a gain of 400,000 hectares per year.
E) a consistent acreage of productive agricultural land.
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verified
Multiple Choice
A) has a diet high in cereal grains and low in livestock products.
B) probably lives in a rural area of a developing country
C) will have pronounced muscle tone and accelerated skeletal growth.
D) has a protein deficiency even though adequate calories are consumed.
E) has an increased likelihood of obesity,diabetes,and heart disease.
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verified
Multiple Choice
A) habitat fragmentation.
B) subsistence agriculture.
C) industrialized agriculture.
D) the green revolution.
E) the second green revolution.
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verified
Multiple Choice
A) fewer insects and weeds developing resistance to pesticides.
B) more insects and weeds developing resistance to pesticides.
C) more beneficial microorganisms in the soil
D) more biodiversity of fish and other aquatic organisms not affected by the pesticides.
E) farmers applying progressively smaller quantities of pesticides.
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verified
Multiple Choice
A) genetic variety is being expanded through genetic engineering.
B) a single variety of farm animal cannot face extinction through a disease outbreak.
C) animals bred for maximum production are not performing as anticipated.
D) farmers are being subsidized not to keep white leghorn hens.
E) the eggs and sperm of domesticated animal varieties are being banked for preservation.
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verified
Multiple Choice
A) decreasing the cost of subsistence farming.
B) increasing the crop damage due to competition with weeds.
C) small concentrations but not in large concentrations.
D) controlling some organisms that cause diseases in humans.
E) attracting particular insects to an area.
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verified
Essay
Correct Answer
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View Answer
Essay
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View Answer
Multiple Choice
A) industrialized : polyculture
B) industrialized : shifting cultivation
C) subsistence : slash-and-burn
D) subsistence : microfarming
E) industrialized : intercropping
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verified
Multiple Choice
A) both are a type of malnutrition.
B) both involve lack of access to sufficient daily calories.
C) both leave the body susceptible to disease.
D) both can affect young or old individuals.
E) both are ailments that can be found in developing countries.
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verified
Multiple Choice
A) its target organism
B) indiscriminate organisms in the vicinity of its spray
C) thin-leaved plants
D) tapered insects such as wasps and ants
E) all organisms in a restricted range
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verified
Multiple Choice
A) narrow-spectrum pesticide because it focuses on killing specific organisms
B) narrow-spectrum pesticide because it stays exactly where it is sprayed
C) broad-spectrum pesticide because it moves around the environment to reach all potential pests
D) broad-spectrum pesticide because insects cannot develop resistance to it
E) neither broad and narrow-spectrum pesticides have deleterious environmental effects
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verified
Multiple Choice
A) production of greenhouse gases from pesticide exposed plants.
B) air pollution from pesticide sprays.
C) soil pollution from pesticide residues.
D) contamination of food supply from pesticide residues.
E) reduction of the number and diversity of beneficial microorganisms in the soil.
Correct Answer
verified
Multiple Choice
A) beets and maize
B) sweet potatoes and taro
C) wheat and rice
D) corn and white potatoes
E) barley and bulgur
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verified
Multiple Choice
A) sustainable agriculture.
B) the green revolution.
C) a result of intercropping.
D) harvest deprivation.
E) land degradation.
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verified
Multiple Choice
A) The prolonged use of a particular pesticide can cause a pest population to develop genetic resistance to it.
B) Most pesticides affect more species than the pests for which they are intended.
C) Pesticides applied to agricultural lands tend to stay where they are applied.
D) Most pesticides are chemically stable and do not degrade readily in the environment.
E) Pesticides reduce the amount of crop loss through consumption by insects.
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verified
Multiple Choice
A) some members of the pest population are sterilized
B) sexual attractants lure pest species to traps
C) predators,parasites,or disease organisms are released to reduce pest populations
D) harvested foods are exposed to ionizing radiation
E) genetic engineering develops pest-resistant crops
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verified
Multiple Choice
A) use of manure as fertilizer.
B) use of draft animals for labor source.
C) water and fossil fuel energy conservation.
D) high crop yield per acre.
E) limited use of agrochemicals.
Correct Answer
verified
Multiple Choice
A) a liquid pesticide that can cover expansive areas of agricultural lands with no negative impact
B) a combination of pesticide and fertilizer that allow plants to grow faster while killing its pests
C) a specific pesticide that kills the intended organism and does not harm any others
D) a wide-reaching pesticide that kills a variety of organisms,including beneficial ones
E) a pesticide that stays exactly where it is sprayed and degrades over time
Correct Answer
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