Botany-Algae
NEET Botany Algae MCQ Question
Type: MCQ-numerical-Hard-Class 11
If the total carbon dioxide fixation on Earth is 200 billion tons, how much of it is carried out by algae through photosynthesis?
A
100 billion tons
B
50 billion tons
C
150 billion tons
D
200 billion tons
Correct Answer
Option A
Detailed Explanation
According to the NCERT context, at least half of the total carbon dioxide fixation on Earth is carried out by algae. Therefore, if the total fixation is 200 billion tons, algae are responsible for fixing 100 billion tons.
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