Free NEET Biology Cell Organelles MCQs with step-by-step solutions (2 questions). Part of Cell: The Unit of Life. Practise online on Prepizo — no login needed.
Q1 — Cell Organelles · medium · theory
Which organelle is known as the powerhouse of the cell?
A. Ribosome
B. Nucleus
C. Mitochondrion ✓ Correct
D. Golgi apparatus
Solution: Mitochondria produce ATP through cellular respiration, earning the nickname "powerhouse of the cell".
Q2 — Cell Organelles · medium · theory
The plasma membrane is mainly composed of:
A. Proteins and carbohydrates
B. Lipids and proteins ✓ Correct
C. Carbohydrates and lipids
D. Only lipids
Solution: The fluid mosaic model describes the plasma membrane as a phospholipid bilayer with embedded proteins.