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UPSC CDS 2 2021 GK Paper
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© examsnet.com
Question : 84
Total: 120
Which one of the following acids is secreted by leaves of Nettle that causes painful stings ?
Methanoic acid
Citric acid
Tartaric acid
Acetic acid
Validate
Solution:
Leaves of the nettle plant secrete methanoic acid which causes a painful sting on touching.Nettle stings contain formic acid, histamine and other chemicals. Formic acid is also known as methanoic acid (HCOOH).
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