Paper 1 · People, Development and Environment
UGC NET June 2024 Re-Exam (26.08.2024) Shift-II
Radioactivity in drinking water may occur due to radionuclides from natural or human causes. Which of the following is a naturally occurring radionuclide likely to contaminate drinking water? (Both uranium and radon were accepted; uranium is taken here.)
AUranium ✓ Correct
BPlutonium
CRadon
DStrontium
Correct answer: (A) Uranium — A naturally occurring radionuclide in drinking water is uranium, so that is the answer here.
Explanation
★A naturally occurring radionuclide in drinking water is uranium, so that is the answer here.
★Uranium occurs naturally in rocks and soil.
★It can dissolve into groundwater and contaminate drinking water.
★Radon, a natural decay product, can also contaminate water, and both were accepted.
★Plutonium and strontium are mainly man-made from nuclear activity.
★This key takes uranium as the answer.
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