Botany-Algae
NEET Botany Algae MCQ Question
Type: MCQ-numerical-Hard-Class 11
If algae contribute to at least half of the total carbon dioxide fixation on earth through photosynthesis, what percentage of the world's carbon dioxide fixation is attributed to algae?
A
50%
B
75%
C
25%
D
100%
Correct Answer
Option A
Detailed Explanation
The NCERT context states that 'at least a half of the total carbon dioxide fixation on earth is carried out by algae through photosynthesis,' which directly implies 50%.
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