Select the most appropriate option to fill in blank no. 5.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. on.
Context: The sentence talks about new demands being placed on the land because of heavy crop production. The preposition “on” is generally used when something is imposed or applied to a surface or an area, like “pressure on someone” or “demand on resources.”
Meaning of the words:
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On: used to show something that affects or is applied to something.
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In: used to show position inside something.
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By: shows the agent (who performs the action).
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Of: shows belonging or relationship.
Correct word: The phrase “placed on the land” is grammatically correct and commonly used in English.
Reason:
Here, the “demands” are being applied to the land, not “in,” “by,” or “of” it. Therefore, “on” correctly expresses the relationship between “demands” and “land.”
Final Sentence:
Soil erosion has increased due to new demands placed on the land by heavy crop production.
Hence, the chosen option is correct.