Cell MCQ Quiz | Microanatomy

Welcome to this specialized quiz on the Cell, a fundamental topic in Microanatomy for MBBS students. This quiz is designed to test your understanding of cellular structures and their intricate functions, from the fluid mosaic model of the plasma membrane to the complex processes within the nucleus and cytoplasm. Covering key organelles, cytoskeletal components, and cell signaling mechanisms, these 25 multiple-choice questions will challenge your recall and application of core concepts. After completing the quiz, you can submit your answers to see your score and review which questions you got right and wrong. For your convenience and future revision, an option to download all questions along with their correct answers in a PDF format is also provided.

1. The Fluid Mosaic Model of the plasma membrane primarily describes it as:

2. Which organelle is primarily responsible for ATP synthesis through oxidative phosphorylation?

3. The synthesis of proteins destined for secretion from the cell occurs primarily on:

4. Which of the following is a primary function of the Smooth Endoplasmic Reticulum (SER)?

5. The cis-face of the Golgi apparatus is typically oriented towards the:

6. Which organelle contains acid hydrolases and is involved in the breakdown of macromolecules and old organelles?

7. The major function of peroxisomes is the breakdown of:

8. Which structure regulates the passage of molecules between the nucleus and the cytoplasm?

9. Keratins, neurofilaments, and vimentin are all examples of:

10. The cell junction that provides a direct channel for communication between the cytoplasm of adjacent cells is the:

11. Glycogen granules, often seen in liver and muscle cells, are examples of:

12. The phase of the cell cycle where DNA replication occurs is:

13. Programmed cell death, characterized by cell shrinkage, chromatin condensation, and formation of apoptotic bodies, is known as:

14. The characteristic “9 + 2” arrangement of microtubules is found in the axoneme of:

15. The process by which a cell engulfs large solid particles, such as bacteria, is termed:

16. The degradation of short-lived, abnormal, or misfolded proteins is primarily carried out by:

17. In the nucleus, transcriptionally active, less condensed chromatin is referred to as:

18. The nucleolus is the primary site of:

19. Which cytoskeletal component is responsible for forming the contractile ring during cytokinesis?

20. The primary microtubule-organizing center (MTOC) in most animal cells is the:

21. The basal lamina is a specialized layer of the extracellular matrix composed primarily of collagen type IV, laminin, and:

22. Which of the following is an example of a cell surface receptor that activates an intracellular signal cascade via a G-protein?

23. Tay-Sachs disease is a lysosomal storage disease caused by a deficiency in which type of enzyme?

24. The inner mitochondrial membrane is highly folded into cristae. This serves to:

25. Lipid rafts are specialized microdomains within the plasma membrane that are enriched in: