1. Which of the following is true about prokaryotic cells?
- A) They have a defined nucleus.
- B) They lack a membrane-bound nucleus.
- C) They are larger than eukaryotic cells.
- D) They have membrane-bound organelles.
Answer: B) They lack a membrane-bound nucleus.
2. Which type of cell contains ribosomes for protein synthesis?
- A) Prokaryotic cells only
- B) Eukaryotic cells only
- C) Both prokaryotic and eukaryotic cells
- D) Neither prokaryotic nor eukaryotic cells
Answer: C) Both prokaryotic and eukaryotic cells
3. Which of the following is a characteristic of eukaryotic cells?
- A) No membrane-bound organelles
- B) Presence of a nucleus
- C) Smaller size
- D) Lack of ribosomes
Answer: B) Presence of a nucleus
4. What is the main difference between prokaryotic and eukaryotic cells?
- A) Presence of a plasma membrane
- B) Presence of a nucleus
- C) Size of the cell
- D) Presence of mitochondria
Answer: B) Presence of a nucleus
5. Which of the following organelles is absent in prokaryotic cells?
- A) Ribosomes
- B) Plasma membrane
- C) Nucleus
- D) Cell wall
Answer: C) Nucleus
6. What is the size range of a typical prokaryotic cell?
- A) 5 to 100 micrometers
- B) 1 to 10 micrometers
- C) 10 to 100 micrometers
- D) 0.2 to 2 micrometers
Answer: D) 0.2 to 2 micrometers
7. Which of the following is found in both prokaryotic and eukaryotic cells?
- A) Mitochondria
- B) Ribosomes
- C) Chloroplasts
- D) Nucleus
Answer: B) Ribosomes
8. Which type of cell has a more complex structure?
- A) Prokaryotic cells
- B) Eukaryotic cells
- C) Both have the same complexity
- D) None of the above
Answer: B) Eukaryotic cells
9. In which type of cell is the DNA found in the form of a single circular chromosome?
- A) Prokaryotic cells
- B) Eukaryotic cells
- C) Both prokaryotic and eukaryotic cells
- D) None of the above
Answer: A) Prokaryotic cells
10. Which of the following is a feature of prokaryotic cells?
- A) Membrane-bound organelles
- B) Mitochondria
- C) A nucleoid region
- D) A well-defined nucleus
Answer: C) A nucleoid region
11. Which type of cell has a well-organized internal structure with various membrane-bound organelles?
- A) Prokaryotic cells
- B) Eukaryotic cells
- C) Both prokaryotic and eukaryotic cells
- D) None of the above
Answer: B) Eukaryotic cells
12. Which organelle is involved in energy production in eukaryotic cells?
- A) Ribosomes
- B) Mitochondria
- C) Golgi apparatus
- D) Plasma membrane
Answer: B) Mitochondria
13. Which of the following structures is unique to prokaryotic cells?
- A) Plasmids
- B) Nucleus
- C) Mitochondria
- D) Endoplasmic reticulum
Answer: A) Plasmids
14. Which of the following best describes the genetic material in eukaryotic cells?
- A) Circular DNA in the nucleoid region
- B) Linear DNA within a membrane-bound nucleus
- C) DNA in the cytoplasm
- D) No DNA
Answer: B) Linear DNA within a membrane-bound nucleus
15. Which of the following is common to both prokaryotic and eukaryotic cells?
- A) Plasma membrane
- B) Mitochondria
- C) Nucleus
- D) Endoplasmic reticulum
Answer: A) Plasma membrane
16. Which type of cell contains histones with its DNA?
- A) Prokaryotic cells
- B) Eukaryotic cells
- C) Both prokaryotic and eukaryotic cells
- D) None of the above
Answer: B) Eukaryotic cells
17. Which of the following is found only in plant eukaryotic cells?
- A) Mitochondria
- B) Chloroplasts
- C) Ribosomes
- D) Nucleus
Answer: B) Chloroplasts
18. What is the main component of the cell wall in prokaryotic cells?
- A) Chitin
- B) Cellulose
- C) Peptidoglycan
- D) None of the above
Answer: C) Peptidoglycan
19. Which of the following is absent in prokaryotic cells but present in eukaryotic cells?
- A) Cytoplasm
- B) Plasma membrane
- C) Membrane-bound organelles
- D) Ribosomes
Answer: C) Membrane-bound organelles
20. Which type of cell division occurs in prokaryotic cells?
- A) Mitosis
- B) Meiosis
- C) Binary fission
- D) Both mitosis and meiosis
Answer: C) Binary fission
21. In which of the following is the cell wall made of cellulose?
- A) Prokaryotic cells
- B) Eukaryotic plant cells
- C) Eukaryotic animal cells
- D) Both prokaryotic and eukaryotic cells
Answer: B) Eukaryotic plant cells
22. Which of the following is not a feature of prokaryotic cells?
- A) Nucleoid region
- B) Small size
- C) Membrane-bound organelles
- D) Ribosomes
Answer: C) Membrane-bound organelles
23. What is the main purpose of the flagella in prokaryotic cells?
- A) To store genetic material
- B) To help in movement
- C) To provide structure
- D) To synthesize proteins
Answer: B) To help in movement
24. Which organelle is responsible for the synthesis of proteins in eukaryotic cells?
- A) Ribosomes
- B) Nucleus
- C) Golgi apparatus
- D) Mitochondria
Answer: A) Ribosomes
25. In which type of cell would you find a plasma membrane, cytoplasm, and ribosomes?
- A) Only prokaryotic cells
- B) Only eukaryotic cells
- C) Both prokaryotic and eukaryotic cells
- D) Neither prokaryotic nor eukaryotic cells
Answer: C) Both prokaryotic and eukaryotic cells
26. Which of the following is true about eukaryotic cells?
- A) They are always unicellular organisms.
- B) They lack membrane-bound organelles.
- C) They have a complex internal structure with membrane-bound organelles.
- D) Their genetic material is found in a single circular chromosome.
Answer: C) They have a complex internal structure with membrane-bound organelles.
27. In prokaryotic cells, where does cellular respiration occur?
- A) Mitochondria
- B) Cytoplasm
- C) Plasma membrane
- D) Ribosomes
Answer: C) Plasma membrane
28. Which of the following is true about eukaryotic cell division?
- A) It occurs through binary fission.
- B) It involves mitosis and meiosis.
- C) It is simpler compared to prokaryotic cell division.
- D) It does not require the formation of a mitotic spindle.
Answer: B) It involves mitosis and meiosis.
29. Which of the following is true about prokaryotic cells’ genetic material?
- A) It is found in the nucleus.
- B) It is found in a linear form.
- C) It is found in the nucleoid region.
- D) It is absent.
Answer: C) It is found in the nucleoid region.
30. Which of the following is not found in eukaryotic cells?
- A) Mitochondria
- B) Endoplasmic reticulum
- C) Nucleoid region
- D) Golgi apparatus
Answer: C) Nucleoid region
These MCQs cover key differences between prokaryotic and eukaryotic cells, helping students better understand their structural and functional distinctions for exams.
