Paper 1 · People, Development and Environment
UGC NET December 2022 (05.03.2023) Shift-II
Given below are two statements. Statement I: Dioxins and other chlorinated hydrocarbons have been shown to accumulate to dangerous levels in fish and fish-eating birds. Statement II: Dioxins are highly toxic; even exposure to extremely low concentrations can cause birth defects, genetic disorders and cancer. In the light of the above statements, choose the most appropriate answer from the options given below.
- Statement I: Dioxins and other chlorinated hydrocarbons accumulate to dangerous levels in fish and fish-eating birds.
- Statement II: Dioxins are highly toxic; even extremely low concentrations can cause birth defects, genetic disorders and cancer.
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 — Both statements are correct, so the answer is that both Statement I and Statement II are correct.
Explanation
★Both statements are correct, so the answer is that both Statement I and Statement II are correct.
★Dioxins are persistent pollutants that build up in the fatty tissue of animals.
★They accumulate to dangerous levels in fish and fish-eating birds, so statement I is correct.
★Dioxins are among the most toxic chemicals known.
★Even very low exposure can cause birth defects, genetic disorders and cancer.
★So statement II is also correct.
★Therefore both statements are correct.
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