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Question

Which of the following plant parts can respire even in the absence of oxygen?

A
Seeds
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B
Roots
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C
Stems
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D
Leaves
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Solution

The correct option is B Roots
When oxygen levels fall too low, the root cells respire anaerobically, producing ethanol (seedling only). Some marshy roots also respire anaerobically.
Thus, the correct answer is option B.

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