Important MCQs of Cell and Cell Organelles


                                      
Important MCQs of Cell and Cell Organelles

Important MCQs of Cell and Cell Organelles


 1. Which of the following is the basic structural and functional unit of all living organisms?

   a) Tissue
   b) Organ
   c) Cell ✓
   d) Organ system

Answer: c) Cell

2. Which organelle is responsible for the synthesis of proteins in a cell?
   a) Nucleus
   b) Golgi apparatus
   c) Ribosome ✓
   d) Mitochondria

Answer: c) Ribosome

3. Which of the following is NOT a function of the cell membrane?
   a) Regulating the passage of substances into and out of the cell
   b) Providing structural support to the cell
   c) Facilitating cell-to-cell communication
   d) Producing energy for the cell ✓

Answer: d) Producing energy for the cell

4. Which type of cell division is responsible for the growth and repair of tissues in multicellular organisms?
   a) Mitosis ✓
   b) Meiosis
   c) Binary fission
   d) Budding

Answer: a) Mitosis

5. Which organelle is known as the "powerhouse" of the cell?
   a) Nucleus
   b) Golgi apparatus
   c) Lysosome
   d) Mitochondria ✓

Answer: d) Mitochondria

6. Which of the following cell organelles contains genetic material (DNA)?
   a) Nucleus✓

   b) Golgi apparatus
   c) Endoplasmic reticulum
   d) Vacuole

Answer: a) Nucleus

7. What is the main function of the mitochondria in a cell?
   a) Protein synthesis
   b)Cellular respiration✓
   c) Lipid synthesis
   d) Calcium storage

Answer: b) Cellular respiration

8. Which of the following is NOT a type of cell junction?
   a) Tight junctions
   b) Gap junctions
   c) Anchoring junctions
   d) Vacuolar junctions✓

Answer: d) Vacuolar junctions

9. Which organelle is responsible for detoxifying harmful substances in the liver cells?
   a) Lysosome
   b) Peroxisome✓
   c) Endoplasmic reticulum
   d) Centrosome

Answer: b) Peroxisome

10. Which of the following is NOT a function of the cytoskeleton?
    a) Maintaining cell shape and structure
    b) Facilitating cell movement
    c) Transporting organelles within the cell
    d) Controlling gene expression✓

Answer: d) Controlling gene expression


11. Which of the following is responsible for the synthesis of lipids in a cell?
   a) Nucleus
   b) Golgi apparatus
   c) Ribosome
   d) Smooth endoplasmic reticulum✓

Answer: d) Smooth endoplasmic reticulum

12. Which organelle contains digestive enzymes and is involved in intracellular digestion?
   a) Nucleus
   b) Golgi apparatus
   c) Lysosome✓
   d) Peroxisome

Answer: c) Lysosome

13. Which type of cell division is involved in the production of gametes (sperm and egg cells)?
   a) Mitosis
   b) Meiosis✓
   c) Binary fission
   d) Budding

Answer: b) Meiosis

14. Which organelle is responsible for the synthesis, processing, and packaging of proteins in a cell?
   a) Nucleus
   b) Golgi apparatus✓
   c) Ribosome
   d) Vacuole

Answer: b) Golgi apparatus

15. Which of the following is responsible for maintaining the osmotic balance of a plant cell?
   a) Cell membrane
   b) Cell wall✓
   c) Nucleus
   d) Chloroplast

Answer: b) Cell wall

16. Which organelle is responsible for capturing light energy and converting it into chemical energy in plant cells?
   a) Nucleus
   b) Golgi apparatus
   c) Lysosome
   d) Chloroplast✓

Answer: d) Chloroplast

17. Which type of cellular transport requires energy in the form of ATP?
   a) Passive transport
   b) Facilitated diffusion
   c) Active transport✓
   d) Osmosis

Answer: c) Active transport

18. Which organelle is responsible for detoxifying drugs and alcohol in liver cells?
   a) Lysosome
   b) Peroxisome✓
   c) Endoplasmic reticulum
   d) Vacuole
Answer: b) Peroxisome

19. Which of the following is responsible for the synthesis of Ribosomes in a cell?
   a) Nucleus
   b) Golgi apparatus
   c) Ribosome
   d) Nucleolus✓

Answer: d) Nucleolus

20. Which cellular structure is involved in the movement of chromosomes during cell division?
    a) Centrosome✓
    b) Endoplasmic reticulum
    c) Vacuole
    d) Nucleolus

Answer: a) Centrosome




Important MCQs of Cell and Cell Organelles


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