The cytoskeleton, found in eukaryotic cells, prokaryotic cells, and archaeans, is like a network of tiny fibers. In eukaryotic cells, these fibers are made up of a complex mesh of proteins and motor proteins that assist in cell movement. The cytoskeleton plays several important roles. It gives the cell its shape and structure, helps arrange its tiny parts, and makes it possible for molecules to move around, helps with cell division, and aids in cell communication.
Cytoskeleton MCQ for NEET
Ques 1. The intermediate filaments found in hairs and nails are a type 1 IF protein, composed of
1. vimentin
2. keratin
3. tubulin
4. lamin
Answer: keratin
Ques 2. A network of microfilaments and microtubules is classified as
1. cytoskeleton
2. vertebral skeleton
3. active skeleton
4. endoplasmic skeleton
Answer: cytoskeleton
Ques 3. This is the most heterogeneous type of cytoskeleton filament
1. microtubules
2. microfilaments
3. intermediate filaments
4. none of the above
Answer: intermediate filaments
Ques 4. This statement is true
1. microtubules are composed of tubulin
2. microfilaments are composed of actin
3. intermediate filaments are resistant to cytochalasin-B and colchicine
4. all the above
Answer: all the above
Ques 5. Microfilaments are composed of
1. mosaic protein
2. actin protein
3. chitin protein
4. tubulin protein
Answer: actin protein
Ques 6. This is a microfilament inhibitor
1. aspirin
2. colchicine
3. cinchonine
4. cytochalasin-B
Answer: cytochalasin-B
Ques 7. Cell lining of the lumen of the fallopian tube is involved in ciliary action to transport the egg from the ovary to the uterus. The cytoskeleton structure responsible for this movement is
1. flagella
2. microfilaments
3. intermediate filaments
4. microtubules
Answer: microtubules
Ques 8. This cell lacks cytoskeleton
1. prokaryotic and eukaryotic animal cells
2. eukaryotic plant cells
3. prokaryotic bacterial cells
4. None of the above
Answer: None of the above
Ques 9. Malformation of these cytoskeleton structures can be linked to an inability to contract a muscle
1. microfilaments
2. intermediate filaments
3. centrioles
4. microtubules
Answer: microfilaments
Ques 10. What are flagella and cilia of eukaryotic cells made of?
1. lamin
2. desmin
3. tubulin
4. keratin
Answer: tubulin
