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MCQ Chapter 5 Biology Class 11 Maharashtra Board

Cell Structure and Organization

1. Who was the first to observe cells under a microscope?

Question 1 of 20

2. Who proposed that new cells are formed by cell division from pre-existing cells?

Question 2 of 20

3. What is the structural and functional unit of life?

Question 3 of 20

4. Which microscope can magnify an image up to 500,000 times?

Question 4 of 20

5. What is the smallest cell mentioned?

Question 5 of 20

6. What is the largest cell mentioned?

Question 6 of 20

7. What is the capacity of a living nucleated cell to differentiate and form a new organism called?

Question 7 of 20

8. Which cells are totipotent and have medical applications?

Question 8 of 20

9. Who concluded that plant tissues are composed of different types of cells?

Question 9 of 20

10. What is a unique feature of plant cells according to Theodore Schwann?

Question 10 of 20

11. Which of the following is a postulate of the modern cell theory?

Question 11 of 20

12. What is the outermost layer of the cell envelope in prokaryotic cells?

Question 12 of 20

13. What staining method is commonly used to observe bacteria?

Question 13 of 20

14. What is the main component of the cell wall in Gram-positive bacteria?

Question 14 of 20

15. What structure in motile bacteria is driven by a basal body?

Question 15 of 20

16. What is the function of mesosomes in prokaryotic cells?

Question 16 of 20

17. What is the sedimentation rate of bacterial ribosomes?

Question 17 of 20

18. What type of DNA replication occurs in bacterial chromosomes?

Question 18 of 20

19. What are small circular DNA molecules in bacteria called?

Question 19 of 20

20. Which organelle is absent in prokaryotic cells?

Question 20 of 20

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