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28. The presence of plasmodesmata is a characteristic unique to:

Animal cells
Plant cells
Fungal cells
Bacterial cells

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CELL STRUCTURE & FUNCTION

27. The outermost layer of an animal cell is the:

Cell wall
Cell membrane
Cytoplasm
Nucleus

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CELL STRUCTURE & FUNCTION

26. Cellular respiration, the process of breaking down glucose for energy, occurs in the mitochondria of:

Only animal cells
Only plant cells
Both animal and plant cells
Only bacterial cells

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CELL STRUCTURE & FUNCTION

25. Which organelle is responsible for converting light energy into chemical energy in plants?

Mitochondrion
Chloroplast
Ribosome
Nucleus

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CELL STRUCTURE & FUNCTION

24. Plant cells store carbohydrates primarily as:

Glycogen
Starch
Glucose
Fructose

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CELL STRUCTURE & FUNCTION

23. Animal cells store carbohydrates primarily as:

Starch
Cellulose
Glycogen
Sucrose

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CELL STRUCTURE & FUNCTION

22. The primary component of the plant cell wall is:

Chitin
Peptidoglycan
Cellulose
Lignin

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CELL STRUCTURE & FUNCTION

21. Plasmodesmata are channels that connect the cytoplasm of adjacent plant cells, allowing for communication and transport. What is their functional equivalent in animal cells?

Tight junctions
Gap junctions
Desmosomes
Adherens junctions

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CELL STRUCTURE & FUNCTION

20. The cytoskeleton, providing structural support and facilitating movement, is present in:

Only animal cells
Only plant cells
Both animal and plant cells
Only bacterial cells

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CELL STRUCTURE & FUNCTION

19. Which structure is absent in most plant cells, leading to different mechanisms for spindle fiber formation during mitosis?

Nucleus
Ribosomes
Centrioles
Mitochondria

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CELL STRUCTURE & FUNCTION

18. Centrioles are primarily associated with cell division in:

Plant cells
Animal cells
Bacterial cells
Fungal cells

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CELL STRUCTURE & FUNCTION

17. While plant cells may have some lysosomal activity, which cell type typically lacks well-defined lysosomes?

Animal cells
Plant cells
Fungal cells
Prokaryotic cells

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CELL STRUCTURE & FUNCTION

16. Lysosomes, involved in waste breakdown and recycling, are more common and prominent in:

Plant cells
Animal cells
Bacterial cells
Fungal cells

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CELL STRUCTURE & FUNCTION

15. The Golgi apparatus (or Golgi complex) is present in:

Only animal cells
Only plant cells
Both animal and plant cells
Only fungal cells

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CELL STRUCTURE & FUNCTION

14. The endoplasmic reticulum, both rough and smooth, is found in:

Only animal cells
Only plant cells
Both animal and plant cells
Only prokaryotic cells

ETEA MCQS.COM
CELL STRUCTURE & FUNCTION

13. Ribosomes are found in both animal and plant cells and are responsible for:

Energy production
Protein synthesis
Lipid metabolism
Detoxification

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CELL STRUCTURE & FUNCTION

12. The control center of both animal and plant cells is the:

Cytoplasm
Nucleus
Ribosome
Vacuole

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CELL STRUCTURE & FUNCTION

11. Which structure is present in both animal and plant cells and regulates the passage of substances in and out of the cell?

Cell wall
Cell membrane
Chloroplast
Central vacuole

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CELL STRUCTURE & FUNCTION

10. The cell membrane is composed primarily of:

Cellulose
Peptidoglycan
Phospholipids and proteins
Lignin

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CELL STRUCTURE & FUNCTION

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