Cell Structure and Function – Multiple Choice Questions (MCQs)

1. 1. Q1: Which organelle is known as the powerhouse of the cell?

   • A. Nucleus
   • B. Ribosome
   • C. Mitochondria
   • D. Golgi apparatus

2. 2. Q2: Which of the following contains its own DNA?

   • A. Ribosome
   • B. Mitochondria
   • C. Lysosome
   • D. Peroxisome

3. 3. Q3: Which organelle is responsible for protein synthesis?

   • A. Lysosome
   • B. Ribosome
   • C. Golgi apparatus
   • D. Mitochondria

4. 4. Q4: The functional unit of a chromosome is:

   • A. Gene
   • B. DNA
   • C. Histone
   • D. RNA

5. 5. Q5: Which is found only in plant cells?

   • A. Nucleus
   • B. Plasma membrane
   • C. Cell wall
   • D. Mitochondria

6. 6. Q6: The fluid mosaic model describes the structure of:

   • A. Nucleus
   • B. Cell wall
   • C. Plasma membrane
   • D. Golgi apparatus

7. 7. Q7: Organelle involved in lysosome formation is:

   • A. Mitochondria
   • B. Endoplasmic reticulum
   • C. Ribosomes
   • D. Golgi apparatus

8. 8. Q8: Function of nucleolus is:

   • A. Protein synthesis
   • B. Lipid metabolism
   • C. Ribosome production
   • D. Energy production

9. 9. Q9: Not a part of endomembrane system?

   • A. Golgi apparatus
   • B. Lysosome
   • C. Mitochondria
   • D. Endoplasmic reticulum

10. 10. Q10: Largest cell organelle is:

    • A. Nucleus
    • B. Golgi apparatus
    • C. Mitochondria
    • D. Lysosome