Select the option that can be used as a one-word substitute for the given group of words.
The statistical study of human populations.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Demography.
Correct word: Demography
Meaning: The statistical study of human populations, especially with reference to size, structure, and distribution.
Example: The government used demography to plan healthcare facilities.
Meaning of the other words:
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Photography: The art or process of taking photographs.
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Palaeography: The study of ancient handwriting.
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Astronomy: The study of celestial objects and phenomena.
Hence, the chosen option is the correct one-word substitution.