AIIMS 2018 Botany Biology MCQ Question
Assertion : Phytoplankton, algae & higher plants are chief producers in pond ecosystem.
Reason : Many algae are responsible for production of ethanol.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not correct explanation of A.
A is true but R is false.
A and R are false.
Correct Answer
Detailed Explanation
The assertion is correct because red blood cells (RBCs) lack mitochondria, which are essential for aerobic respiration. The reason is also true, as RBCs generate ATP primarily through glycolysis, a process that does not require mitochondria. Therefore, both the assertion and reason are true, and the reason accurately explains why mitochondria are absent in RBCs.
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