NEET Botany Algae MCQ Question
If algae contribute to at least half of the total carbon dioxide fixation on Earth, and the total global carbon dioxide fixation is estimated to be 120 billion tons annually, approximately how many billion tons of carbon dioxide do algae fix per year?
60 billion tons
30 billion tons
90 billion tons
120 billion tons
Correct Answer
Detailed Explanation
Algae are responsible for at least 50% of global carbon dioxide fixation. Therefore, if the total fixation is 120 billion tons, algae fix approximately 60 billion tons.
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