Sample Questions — Cytoskeleton, Cilia and Flagella, Centrosome and Centrioles, Nucleus, Microbodies
Try 5 questions below from Cytoskeleton, Cilia and Flagella, Centrosome and Centrioles, Nucleus, Microbodies. Get all 31 in the MedicNEET app.
MCQ
Why are nucleosomes important for DNA packaging?
✅ Correct Answer: C
DNA wraps around histone octamers forming nucleosomes, which compact long DNA strands. They do not help in replication.
MCQ
Which component of chromatin is transcriptionally active?
✅ Correct Answer: B
Euchromatin is loosely packed and transcriptionally active, while heterochromatin is tightly packed and inactive.
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MCQ
Which two types of protein filaments constitute the cytoskeleton in eukaryotic cells?
✅ Correct Answer: A
Actin filaments and microtubules (made of tubulin) form the cytoskeletal framework in eukaryotic cells.
MCQ
Cilia and flagella are structurally similar but differ primarily in:
✅ Correct Answer: C
Both have a 9+2 arrangement but differ in length and how they move — cilia are shorter and beat in coordinated waves, flagella are longer with undulating movement.
MCQ
What is the name of the fibrous network found inside the nucleus?
✅ Correct Answer: D
The nucleus contains a dense nucleoplasm and a fibrous network known as the nuclear matrix.
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