The accidental touch of Nettle leaves creates a burning sensation, which is due to inject of
[amp_mcq option1=”Hydrochloric acid” option2=”Methanoic acid” option3=”Citric acid” option4=”Sulphuric acid” correct=”option2″]
This question was previously asked in
UPSC NDA-1 – 2018
The correct answer is B) Methanoic acid.
When you touch a nettle plant, the stinging hairs (trichomes) inject irritating chemicals into the skin. One of the primary compounds responsible for the burning sensation and rash is methanoic acid, also known as formic acid (HCOOH). Other irritants present include histamine, acetylcholine, and serotonin, which contribute to the inflammatory response.