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UPSC Civil ServicesPrelims2023General Studies Paper I
Question
QQ56. Consider the following pairs : Objects in space | Description 1. Cepheids | Giant clouds of dust and gas in space 2. Nebulae | Stars which brighten and dim periodically 3. Pulsars | Neutron stars that are formed when massive stars run out of fuel and collapse How many of the above pairs are correctly matched?
Options
- A Only one
- B Only two
- C All three
- D None
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Correct Answer
A Only one
Model Answer
Answer: option A, as per UPSC's final answer key (Series A).