Acids in plants and stings MCQ — 1 Practice Questions with Answers

Acids in plants and stings is a Science & Technology topic in the RAS/RPSC syllabus. This page gathers exam-style Acids in plants and stings multiple-choice questions with correct answers and explanations, so aspirants can test recall and revise frequently examined concepts.

Practice 1 Acids in plants and stings multiple-choice questions with detailed answers and explanations. Ideal for RAS/RPSC exam preparation.

1 Questions Science & Technology

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Q1. Which acid is present in a nettle sting?

A Tartaric acid

B Oxalic acid

C Lactic acid

D Methanoic acid Correct

Explanation

Methanoic acid, also called formic acid, is the acid commonly associated with the painful irritation caused by a nettle sting in school-level chemistry. Tartaric acid is associated with substances such as tamarind and grapes, not nettle stings. Oxalic acid is found in plants such as spinach and is not the standard answer here. Lactic acid is formed in muscles during anaerobic activity and is also linked with sour milk products, so it does not explain the sting of nettle.

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