Consider the following statements regarding mercury pollution: 1. Gold mining activity is a source of mercury pollution in the world. 2. Coal-based thermal power plants cause mercury pollution. 3. There is no known safe level of exposure to mercury. How many of the above statements are correct?
Select an option to reveal the answer and explanation.
A hard Environment multiple-choice question from UPSC Prelims 2023. Attempt it above, then check the correct answer and detailed explanation below.
Show correct answer & explanation
Correct answer: C. All three
All three are correct — artisanal gold mining and coal-based thermal power plants are major sources of mercury pollution, and there is no known safe level of mercury exposure.
Practise writing a full Environment answer and get it graded by our AI examiner — free.
More Environment questions
According to the Environmental Protection Agency (EPA), which one of the following is the largest source of sulphur dioxide emissions?
Consider the following: 1. Cashew 2. Papaya 3. Red sanders How many of the above trees are actually native to India?
Consider the following: 1. Butterflies 2. Fish 3. Frogs How many of the above have poisonous species among them?
Which one of the following trees shows a unique relationship with an insect that has coevolved with it and that is the only insect that can pollinate this tree?
Which one of the following is the correct description of "100 Million Farmers"?
Consider the following statements: 1. Lions do not have a particular breeding season. 2. Unlike most other big cats, cheetahs do not roar. 3. Unlike male lions, male leopards do not proclaim their territory by scent marking. Which of the statements given above are correct?