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UPSC Civil ServicesPrelims2022General Studies Paper I
Question
QQ99. Consider the following statements : DNA Barcoding can be a tool to : 1. assess the age of a plant or animal. 2. distinguish among species that look alike. 3. identify undesirable animal or plant materials in processed foods. Which of the statements given above is/are correct ?
Options
- A 1 only
- B 3 only
- C 1 and 2
- D 2 and 3
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Correct Answer
D 2 and 3
Model Answer
Answer: option D, as per UPSC's final answer key (Series A).