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Q68 (CDS-II/2026) Science & Technology › Basic Science (Physics, Chemistry, Biology)

Match List I with List II and select the answer using the code given below the Lists :

List I (Source)List II (Acid present)
A. Tomato1. Acetic acid
B. Sour milk2. Methanoic acid
C. Ant sting3. Oxalic Acid
D. Vinegar4. Lactic acid

Code :
A B C D

Result
Your answer: —  ·  Correct: B

Explanation

The correct match is based on the natural occurrence of organic acids:

  • Tomato: Contains Oxalic acid (C2H2O4), which is also found in spinach.
  • Sour milk: Contains Lactic acid (C3H6O3), formed by the fermentation of lactose by lactic acid bacteria.
  • Ant sting: The burning sensation from an ant sting is caused by Methanoic acid (HCOOH), commonly known as formic acid.
  • Vinegar: A solution of Acetic acid (CH3COOH) in water, usually containing 5–8% acid by volume.

Therefore, the correct sequence is A-3, B-4, C-2, D-1, which corresponds to option B.

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SIMILAR QUESTIONS

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CDS-I · 2020 · Q15 Relevance score: 5.62

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Match List I with List II and select the correct answer using the code given below the Lists : List I (Molecule) A. Proteins B. Carbohydrates C. Nucleic adds D. Lipids List II (Product of digestion) 1. Nitrogenous bases and pentose sugars 2. Fatty acids and glycerol 3. Monosaccharides 4. Amino acids Code: A B C D

NDA-II · 2025 · Q103 Relevance score: 5.31

Match List I with List II and select the answer using the code given below the Lists : List I (Element) A. Phosphorus B. Nitrogen C. Neon D. Sulphur List II (Atomicity) 1. 2 2. 1 3. 8 4. 4 Code : ABCD (a) 4 1 2 3 (b) 4 2 1 3 (c) 3 2 1 4 (d) 3 1 2 4

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