+20 Questions on Cytoplasm and Cytoskeleton
20 multiple choice questions on Cytoplasm and Cytoskeleton, with answers at the end.
Multiple Choice Questions: Cytoplasm and Cytoskeleton
1. What is the cytoplasm?
A) The control center of the cell
B) The jelly-like fluid inside the cell that holds organelles
C) The outer layer of the cell
D) The protein synthesis site
2. Which of the following is NOT found in the cytoplasm?
A) Organelles
B) Cytosol
C) DNA chromosomes
D) Cytoskeleton fibers
3. What is the main function of the cytoplasm?
A) To protect the nucleus
B) To support and suspend organelles and allow chemical reactions
C) To produce energy
D) To store genetic material
4. The cytoskeleton is composed of:
A) Proteins
B) Lipids
C) Carbohydrates
D) Nucleic acids
5. Which of the following is NOT a component of the cytoskeleton?
A) Microfilaments
B) Microtubules
C) Intermediate filaments
D) Mitochondria
6. Microtubules are important for:
A) Providing cell shape and organizing organelles
B) Protein synthesis
C) Storing nutrients
D) Transporting oxygen
7. What role do microfilaments play in the cell?
A) They support the cell shape and help in cell movement
B) They carry genetic information
C) They produce ATP
D) They digest waste materials
8. Intermediate filaments primarily:
A) Aid in cell division
B) Provide mechanical support and stability to the cell
C) Transport materials inside the cell
D) Create energy
9. Which structure acts like tracks for organelle movement within the cytoplasm?
A) Microfilaments
B) Microtubules
C) Ribosomes
D) Lysosomes
10. The cytoplasm’s gel-like part is called:
A) Cytosol
B) Nucleoplasm
C) Matrix
D) Vesicles
11. Which of these organelles is suspended in the cytoplasm?
A) Mitochondria
B) Nucleus
C) Chloroplast
D) All of the above
12. The cytoskeleton helps the cell by:
A) Maintaining cell shape
B) Allowing intracellular transport
C) Assisting in cell division
D) All of the above
13. Which cytoskeletal element is the thickest?
A) Microfilaments
B) Microtubules
C) Intermediate filaments
D) Actin
14. The cytoplasm facilitates:
A) Protein folding
B) Movement of materials within the cell
C) DNA replication
D) Photosynthesis
15. During cell division, which cytoskeletal component forms the mitotic spindle?
A) Microfilaments
B) Microtubules
C) Intermediate filaments
D) Centrioles
16. Which of the following is true about the cytoplasm?
A) It is only present in animal cells
B) It contains the cytoskeleton and organelles
C) It is solid in structure
D) It stores DNA
17. What protein primarily makes up microfilaments?
A) Tubulin
B) Actin
C) Keratin
D) Collagen
18. Microtubules are made up of:
A) Actin
B) Tubulin
C) Myosin
D) Keratin
19. The cytoskeleton is involved in which cellular process?
A) Cell signaling
B) Intracellular transport
C) Cell movement
D) All of the above
20. Which cytoskeletal component forms the core of cilia and flagella?
A) Microfilaments
B) Intermediate filaments
C) Microtubules
D) Centrioles
Answer Key
1. B) The jelly-like fluid inside the cell that holds organelles
2. C) DNA chromosomes
3. B) To support and suspend organelles and allow chemical reactions
4. A) Proteins
5. D) Mitochondria
6. A) Providing cell shape and organizing organelles
7. A) They support the cell shape and help in cell movement
8. B) Provide mechanical support and stability to the cell
9. B) Microtubules
10. A) Cytosol
11. D) All of the above
12. D) All of the above
13. B) Microtubules
14. B) Movement of materials within the cell
15. B) Microtubules
16. B) It contains the cytoskeleton and organelles
17. B) Actin
18. B) Tubulin
19. D) All of the above
20. C) Microtubules
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