Botany-(general)
NEET Botany (general) Assertion Reason Question
Type: Assertion Reason-assertion-Hard-Class 11
Assertion (A): Algae play a significant role in the fixation of carbon dioxide on Earth. | Reason (R): Algae are primary producers in aquatic food cycles and increase dissolved oxygen levels.
A
Both A and R are true, and R is the correct explanation of A.
B
Both A and R are true, but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false.
Correct Answer
Option A
Detailed Explanation
Algae fix at least half of the total carbon dioxide on Earth through photosynthesis and are primary producers in aquatic ecosystems, as mentioned in the NCERT context.
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