Cell Biology — MCQs Biology

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1. The basic structural and functional unit of life is:





2. The cell theory was proposed by:





3. Who discovered the nucleus?





4. Prokaryotic cells lack:





5. Eukaryotic cells have:





6. The plasma membrane is primarily composed of:





7. The fluid mosaic model of cell membrane was proposed by:





8. The nucleus is surrounded by:





9. Nucleolus is responsible for:





10. DNA is primarily located in:





11. The mitochondria is known as:





12. Mitochondria are the site of:





13. Chloroplasts are found in:





14. Chloroplasts are responsible for:





15. The endoplasmic reticulum (ER) is of two types:





16. Rough ER is associated with:





17. Smooth ER is associated with:





18. Golgi apparatus is responsible for:





19. Lysosomes contain:





20. Peroxisomes are responsible for:





21. Ribosomes are the site of:





22. Ribosomes are composed of:





23. Cytoskeleton provides:





24. Microtubules are made of:





25. Microfilaments are made of:





26. Intermediate filaments provide:





27. Centrosome is important for:





28. Centrioles are found in:





29. The cell wall in plants is made of:





30. The cell wall in fungi is made of:





31. The prokaryotic cell wall contains:





32. Passive transport across membranes does not require:





33. Active transport across membranes requires:





34. Diffusion is:





35. Osmosis is:





36. Endocytosis involves:





37. Exocytosis involves:





38. Phagocytosis is:





39. Pinocytosis is:





40. Vacuoles in plant cells function in:





41. Plant vacuoles maintain:





42. Permeases are:





43. Signal recognition particle (SRP) directs:





44. The glycocalyx is:





45. Plasmodesmata in plant cells:





46. Gap junctions in animal cells:





47. Tight junctions in animal cells:





48. Desmosomes in animal cells provide:





49. Lysosomal storage diseases are caused by:





50. Cell organelles having their own DNA include:





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