Question
Mitochondrial inner membrane encloses__________.
NEET
Botany
Cell - The Unit of Life
2026
NEET 2026 (Re-NEET)
NEET Botany Question (2026) — Solution
Options
- A. aqueous humor
- B. matrix
- C. cytosol
- D. mucus
Answer
B. matrix
Step-by-step solution
The mitochondrion is a double-membrane-bound organelle. The outer and inner membranes divide its lumen into two distinct aqueous compartments. The inner compartment is filled with a dense homogeneous substance called the matrix. Thus, the mitochondrial inner membrane encloses the matrix. Answer: matrix
Related: Botany — Cell - The Unit of Life · All PYQ Banks