Match List-I with List-II
| LIST-I | LIST-II |
|---|---|
| Microorganisms | Products |
| (A) Lactobacillus | (I) Butyric acid |
| (B) Clostridium butylicum | (II) Lactic acid |
| (C) Acetobacter aceti | (III) Citric acid |
| (D) Aspergillus niger | (IV) Acetic acid |
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → (A) - (II), (B) - (I), (C) - (IV), (D) - (III)
(A) Lactobacillus — this matches (II) Lactic acid. This bacterium turns the sugar of milk into lactic acid. The acid curdles the milk, and this is how curd is made.
(B) Clostridium butylicum — this matches (I) Butyric acid. It is a bacterium used for the industrial production of butyric acid.
(C) Acetobacter aceti — this matches (IV) Acetic acid. This bacterium makes acetic acid, which is the acid of vinegar.
(D) Aspergillus niger — this matches (III) Citric acid. This fungus is used for the industrial production of citric acid.
Note: A similar question was also asked in CUET (UG) 2026 on 24-05-2026 (Slot 2) and on 19-05-2026 (Slot 2), in CUET (UG) 2025 on 13-05-2025 (Slot 1), in CUET (UG) 2024 on 19-07-2024 (Slot 1), and in CUET (UG) 2023 on 15-06-2023 (Slot 1), on 30-05-2023 (Slot 1) and on 28-05-2023 (Slot 1).