Paper 1 · People, Development and Environment
UGC NET December 2022 (14.03.2023) Shift-I (Education)
Given below are two statements. Statement I: Some microorganisms, especially protozoa, are able to survive the conventional disinfection process. Statement II: Some carcinogens, such as chloroform, are created during the chlorination process. In the light of the above statements, choose the most appropriate answer from the options given below.
- Statement I: Some microorganisms, especially protozoa, survive the conventional disinfection process.
- Statement II: Some carcinogens, such as chloroform, are created during the chlorination process.
ABoth Statement I and Statement II are correct ✓ Correct
BBoth Statement I and Statement II are incorrect
CStatement I is correct but Statement II is incorrect
DStatement I is incorrect but Statement II is correct
Correct answer: (A) Both Statement I and Statement II are correct — The answer is that both statements are correct.
Explanation
★The answer is that both statements are correct.
★Certain protozoa form resistant cysts that survive normal disinfection.
★So Statement I is correct.
★Chlorinating water can create by-products such as chloroform.
★Some of these by-products are carcinogenic, so Statement II is correct.
★Thus both statements hold.
★So the answer is that both statements are correct.
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