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01 Jun 2026, 02:18
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
85%
(hard)
Question Stats:
42% (02:00) correct
58%
(02:07)
wrong
based on 113
sessions
History
Date
Time
Result
Not Attempted Yet
Any machine that could be used to keep fields free of weeds without manual weeding or the use of herbicides would have a large market among farmers. A company has developed a prototype weeding machine that distinguishes between plants on the basis of their color and can remove any plant that falls outside a predetermined color range. The company is presently considering whether to go ahead with full-scale production of this weeding machine.
Which of the following, if true, is the strongest consideration in favor of the company’s going into full-scale production?
A. There is a considerable degree of variation in color among weeds of different species.
B. For many crops, weeds pose a greater threat to high yields than insect pests do.
C. When crops are weeded manually, color is often a major factor in distinguishing agricultural plants from weeds.
D. Selection and genetic manipulation allow nearly all agricultural plants to be economically bred to have a distinctive shade of color without altering their
other characteristics.
E. The last time the company decided to go ahead with full-scale production of a machine for which they had developed a prototype, the venture proved far more profitable than the company had anticipated.
Which of the following, if true, is the strongest consideration in favor of the company’s going into full-scale production?
A. There is a considerable degree of variation in color among weeds of different species.
B. For many crops, weeds pose a greater threat to high yields than insect pests do.
C. When crops are weeded manually, color is often a major factor in distinguishing agricultural plants from weeds.
D. Selection and genetic manipulation allow nearly all agricultural plants to be economically bred to have a distinctive shade of color without altering their
other characteristics.
E. The last time the company decided to go ahead with full-scale production of a machine for which they had developed a prototype, the venture proved far more profitable than the company had anticipated.
Updated on: 03 Jun 2026, 04:09
Originally posted by MartyMurray on 01 Jun 2026, 15:15.
Last edited by MartyMurray on 03 Jun 2026, 04:09, edited 6 times in total.
Last edited by MartyMurray on 03 Jun 2026, 04:09, edited 6 times in total.
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Any machine that could be used to keep fields free of weeds without manual weeding or the use of herbicides would have a large market among farmers. A company has developed a prototype weeding machine that distinguishes between plants on the basis of their color and can remove any plant that falls outside a predetermined color range. The company is presently considering whether to go ahead with full-scale production of this weeding machine.
The plan involves separating crops from weeds by color.
Which of the following, if true, is the strongest consideration in favor of the company’s going into full-scale production?
The correct answer to this Strengthen question will provide a reason why the company's going into full-scale production makes sense.
A. There is a considerable degree of variation in color among weeds of different species.
If anything this choice weakens the case for producing the machine.
After all, the passage says that the machine works by removing "any plant that falls outside a predetermined color range."
So, if there is a considerable degree of variation in color among weeds of different species, then it's likely that the colors of some weeds fall within the range such that the machine doesn't remove the plants.
So, if anything, this choice indicates that the machine may not be effective.
Eliminate.
B. For many crops, weeds pose a greater threat to high yields than insect pests do.
The passage has already stated that "Any machine that could be used to keep fields free of weeds without manual weeding or the use of herbicides would have a large market among farmers."
So, this comparison between weeds and insect pests doesn't strengthen the case for going into full-scale production since confirmation that weed control is valuable isn't needed. It's already clear that farmers would want such a machine, if it works.
Eliminate.
C. When crops are weeded manually, color is often a major factor in distinguishing agricultural plants from weeds.
This choice is seems arguably correct because it indicates that weeds can be distinguished from agricultural plants by color.
At the same time, this choice is not as good as (D) for the following reasons.
The passage says that the machine works by removing "any plant that falls outside a predetermined color range."
So, the machine is not super sophisticated, noting any types of differences in color. Rather, it just removes anything outside a range.
So, even if weeds can be distinguished from agricultural plants by color, that fact doesn't mean that the machine will work. After all, to work, it needs agricultural plants to in general fall within a certain range of color and weeds not to fall within that range so that it can tell the difference. This choice doesn't indicate that weeds and agricultural plants fall into two such categories.
Also, this choice says that color is "often a major factor" in distinguishing agricultural plants from weeds, meaning that people also consider other factors, which the machine cannot consider.
Thus, this choice, which indicates only that color can be helpful in determining which plants are weeds, isn't a great reason to produce the machine
That said, I think this choice is not ideal because it's too close to correct. So, this question is gettable but might be better without this answer choice.
Eliminate.
D. Selection and genetic manipulation allow nearly all agricultural plants to be economically bred to have a distinctive shade of color without altering their
other characteristics.
This choice is interesting.
As noted above in the explanation for (C), the the machine is not super sophisticated, noting any types of differences in color. Rather, it just removes anything outside a range.
Now, this choice indicates that it's possible for agricultural plants to be economically bred to have a distinctive shade of color, meaning that they likely can be bred to have color within a particular range.
In that case, use of the machine will likely be practical since, if the colors of agricultural plants can be caused to fall within a certain range, then the machine will be able to tell agricultural plants from weeds.
So, this choice provides a reason to believe that the machine will work and that, therefore, it makes sense for the company to produce it.
Keep.
E. The last time the company decided to go ahead with full-scale production of a machine for which they had developed a prototype, the venture proved far more profitable than the company had anticipated.
The fact that production of a different machine was profitable doesn't mean that production of this one will be.
Eliminate.
Correct answer: D
The plan involves separating crops from weeds by color.
Which of the following, if true, is the strongest consideration in favor of the company’s going into full-scale production?
The correct answer to this Strengthen question will provide a reason why the company's going into full-scale production makes sense.
A. There is a considerable degree of variation in color among weeds of different species.
If anything this choice weakens the case for producing the machine.
After all, the passage says that the machine works by removing "any plant that falls outside a predetermined color range."
So, if there is a considerable degree of variation in color among weeds of different species, then it's likely that the colors of some weeds fall within the range such that the machine doesn't remove the plants.
So, if anything, this choice indicates that the machine may not be effective.
Eliminate.
B. For many crops, weeds pose a greater threat to high yields than insect pests do.
The passage has already stated that "Any machine that could be used to keep fields free of weeds without manual weeding or the use of herbicides would have a large market among farmers."
So, this comparison between weeds and insect pests doesn't strengthen the case for going into full-scale production since confirmation that weed control is valuable isn't needed. It's already clear that farmers would want such a machine, if it works.
Eliminate.
C. When crops are weeded manually, color is often a major factor in distinguishing agricultural plants from weeds.
This choice is seems arguably correct because it indicates that weeds can be distinguished from agricultural plants by color.
At the same time, this choice is not as good as (D) for the following reasons.
The passage says that the machine works by removing "any plant that falls outside a predetermined color range."
So, the machine is not super sophisticated, noting any types of differences in color. Rather, it just removes anything outside a range.
So, even if weeds can be distinguished from agricultural plants by color, that fact doesn't mean that the machine will work. After all, to work, it needs agricultural plants to in general fall within a certain range of color and weeds not to fall within that range so that it can tell the difference. This choice doesn't indicate that weeds and agricultural plants fall into two such categories.
Also, this choice says that color is "often a major factor" in distinguishing agricultural plants from weeds, meaning that people also consider other factors, which the machine cannot consider.
Thus, this choice, which indicates only that color can be helpful in determining which plants are weeds, isn't a great reason to produce the machine
That said, I think this choice is not ideal because it's too close to correct. So, this question is gettable but might be better without this answer choice.
Eliminate.
D. Selection and genetic manipulation allow nearly all agricultural plants to be economically bred to have a distinctive shade of color without altering their
other characteristics.
This choice is interesting.
As noted above in the explanation for (C), the the machine is not super sophisticated, noting any types of differences in color. Rather, it just removes anything outside a range.
Now, this choice indicates that it's possible for agricultural plants to be economically bred to have a distinctive shade of color, meaning that they likely can be bred to have color within a particular range.
In that case, use of the machine will likely be practical since, if the colors of agricultural plants can be caused to fall within a certain range, then the machine will be able to tell agricultural plants from weeds.
So, this choice provides a reason to believe that the machine will work and that, therefore, it makes sense for the company to produce it.
Keep.
E. The last time the company decided to go ahead with full-scale production of a machine for which they had developed a prototype, the venture proved far more profitable than the company had anticipated.
The fact that production of a different machine was profitable doesn't mean that production of this one will be.
Eliminate.
Correct answer: D
01 Jun 2026, 19:00
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Any machine that could be used to keep fields free of weeds without manual weeding or the use of herbicides would have a large market among farmers. A company has developed a prototype weeding machine that distinguishes between plants on the basis of their color and can remove any plant that falls outside a predetermined color range. The company is presently considering whether to go ahead with full-scale production of this weeding machine.
Which of the following, if true, is the strongest consideration in favor of the company’s going into full-scale production?
The machine will be valuable only if it can reliably distinguish crops from weeds by color. The strongest support would show that crops can be made visually distinct enough for the machine to remove weeds without harming the crop.
A. There is a considerable degree of variation in color among weeds of different species.
This does not help much. If weeds vary widely in color, the machine may have difficulty removing all weeds while preserving the crop.
B. For many crops, weeds pose a greater threat to high yields than insect pests do.
This shows that weeds are a serious problem, but it does not show that this color-based machine can solve that problem.
C. When crops are weeded manually, color is often a major factor in distinguishing agricultural plants from weeds.
This gives some support, but it is limited. Human weeders may use color along with other clues, while the machine uses only color.
D. Selection and genetic manipulation allow nearly all agricultural plants to be economically bred to have a distinctive shade of color without altering their other characteristics.
This is correct. If crops can be bred to have a distinctive color, then the machine can be set to preserve crops within that color range and remove plants outside it. That strongly supports full-scale production because it makes the machine broadly usable.
E. The last time the company decided to go ahead with full-scale production of a machine for which they had developed a prototype, the venture proved far more profitable than the company had anticipated.
This is irrelevant. A previous successful product does not show that this specific weeding machine will work or have a large market.
Answer: (D)
Which of the following, if true, is the strongest consideration in favor of the company’s going into full-scale production?
The machine will be valuable only if it can reliably distinguish crops from weeds by color. The strongest support would show that crops can be made visually distinct enough for the machine to remove weeds without harming the crop.
A. There is a considerable degree of variation in color among weeds of different species.
This does not help much. If weeds vary widely in color, the machine may have difficulty removing all weeds while preserving the crop.
B. For many crops, weeds pose a greater threat to high yields than insect pests do.
This shows that weeds are a serious problem, but it does not show that this color-based machine can solve that problem.
C. When crops are weeded manually, color is often a major factor in distinguishing agricultural plants from weeds.
This gives some support, but it is limited. Human weeders may use color along with other clues, while the machine uses only color.
D. Selection and genetic manipulation allow nearly all agricultural plants to be economically bred to have a distinctive shade of color without altering their other characteristics.
This is correct. If crops can be bred to have a distinctive color, then the machine can be set to preserve crops within that color range and remove plants outside it. That strongly supports full-scale production because it makes the machine broadly usable.
E. The last time the company decided to go ahead with full-scale production of a machine for which they had developed a prototype, the venture proved far more profitable than the company had anticipated.
This is irrelevant. A previous successful product does not show that this specific weeding machine will work or have a large market.
Answer: (D)
