The inner membrane of a mitochondrion is:
ADimly figured
BDeeply folded
CDensely fused
DDoubly formed
Answer & Solution
Correct answer: B. Deeply folded
1. The outer membrane is porous instead.
2. The folds increase the surface area.
3. The inner membrane is deeply folded.
_Source: NCERT Class 9 Science, Ch 5 'The Fundamental Unit of Life'_
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