+20 Questions on Plant Cell Structure
20 multiple choice questions on Plant Cell Structure, with answers provided at the end.
Multiple Choice Questions: Plant Cell Structure
1. What provides rigid support and protection to plant cells?
A) Cell membrane
B) Cell wall
C) Cytoplasm
D) Vacuole
2. Which organelle in plant cells captures sunlight for photosynthesis?
A) Mitochondria
B) Chloroplast
C) Golgi apparatus
D) Ribosome
3. What is the large central sac in plant cells that stores water and nutrients?
A) Vacuole
B) Lysosome
C) Nucleus
D) Endoplasmic reticulum
4. Which structure controls what enters and leaves the plant cell?
A) Cell wall
B) Cytoplasm
C) Cell membrane
D) Chloroplast
5. What is the jelly-like substance inside the cell that holds organelles?
A) Cytoplasm
B) Cytoskeleton
C) Cell wall
D) Vacuole
6. Which organelle is responsible for producing proteins?
A) Ribosome
B) Golgi apparatus
C) Mitochondria
D) Chloroplast
7. What is the function of the mitochondria in plant cells?
A) Produce energy through cellular respiration
B) Store genetic material
C) Conduct photosynthesis
D) Digest waste
8. Which part of the plant cell contains the genetic material (DNA)?
A) Vacuole
B) Nucleus
C) Ribosome
D) Chloroplast
9. What structure helps maintain the shape of the plant cell?
A) Cell membrane
B) Cytoplasm
C) Cell wall
D) Mitochondria
10. Which organelle modifies and packages proteins for export?
A) Ribosome
B) Golgi apparatus
C) Endoplasmic reticulum
D) Lysosome
11. The plant cell’s rough endoplasmic reticulum (ER) is mainly involved in:
A) Lipid synthesis
B) Protein synthesis
C) Cellular respiration
D) Photosynthesis
12. What pigment gives chloroplasts their green color?
A) Carotene
B) Chlorophyll
C) Anthocyanin
D) Xanthophyll
13. Which organelle is absent in plant cells but found in animal cells?
A) Lysosome
B) Centriole
C) Golgi apparatus
D) Ribosome
14. What is the function of plasmodesmata in plant cells?
A) Help in cell division
B) Connect cytoplasm of adjacent cells
C) Store nutrients
D) Protect the cell
15. Which organelle is responsible for detoxifying harmful substances?
A) Peroxisome
B) Chloroplast
C) Lysosome
D) Ribosome
16. What type of molecules make up the plant cell wall?
A) Proteins
B) Cellulose
C) Lipids
D) Nucleic acids
17. Which organelle is involved in lipid synthesis and detoxification?
A) Rough ER
B) Smooth ER
C) Golgi apparatus
D) Mitochondria
18. What structure inside the nucleus assembles ribosomes?
A) Chromatin
B) Nucleolus
C) Nuclear membrane
D) Cytoplasm
19. Which organelle breaks down waste materials and cellular debris?
A) Lysosome
B) Ribosome
C) Golgi apparatus
D) Mitochondria
20. Plant cells differ from animal cells mainly because they have:
A) Mitochondria and ribosomes
B) Cell wall, chloroplasts, and large central vacuole
C) Nucleus and cytoplasm
D) Lysosomes and centrioles
Answer Key
1. B) Cell wall
2. B) Chloroplast
3. A) Vacuole
4. C) Cell membrane
5. A) Cytoplasm
6. A) Ribosome
7. A) Produce energy through cellular respiration
8. B) Nucleus
9. C) Cell wall
10. B) Golgi apparatus
11. B) Protein synthesis
12. B) Chlorophyll
13. B) Centriole
14. B) Connect cytoplasm of adjacent cells
15. A) Peroxisome
16. B) Cellulose
17. B) Smooth ER
18. B) Nucleolus
19. A) Lysosome
20. B) Cell wall, chloroplasts, and large central vacuole
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