← All previous year questions
UPSC Civil ServicesPrelims2025General Studies Paper I
Question
QQ43. In the context of electric vehicle batteries, consider the following elements : I. Cobalt II. Graphite III. Lithium IV. Nickel How many of the above usually make up battery cathodes?
Options
- A Only one
- B Only two
- C Only three
- D All the four
Show AnswerHide Answer
Correct Answer
C Only three
Model Answer
Answer: option C, as per UPSC's final answer key (Series A).