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What Do Ants Inject When They Bite? UPSC Prelims PYQ 1999

When ants bite, they inject:

  1. Glacial acetic acid
  2. Methanol
  3. Formic acid
  4. Stearic acid

Explanation

Option (c) is correct
  • When ants bite or sting, they release formic acid, which causes irritation and a burning sensation. The name “formic” is derived from the Latin word formica, meaning ant.
Answer: (c) Formic acid
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