1. The period between two consecutive divisions is called
Interphase
Resting phase
Mitotic phase
Cell cycle
✅ The correct answer is option A.
Cell Cycle MCQs
2. DNA is synthesized and chromosome number is doubled in
G1 phase
S phase
G2 phase
G0 phase
✅ The correct answer is option B.
3. In the case of neurons, post-mitotic cell escapes cell cycle and remain in _______ phase without proliferating further
G0 phase
G1 phase
G2 phase
S phase
✅ The correct answer is option A.
4. Mitosis occurs in
Diploid cells only
Haploid cells only
Both diploid and haploid cells
Monoploid cells
✅ The correct answer is option C.
5. Microtubules are composed of
Action protein
Actin and myosin proteins
Sphingomyelin and tubulin
Tubulin protein and traces of RNA
✅ The correct answer is option D.
6. From each pair of centrioles ________ sets of microtubules originate
2
3
4
5
✅ The correct answer is option B.
7. Mitotic apparatus in animals is formed by
Aster and spindle
Polar and kinetochore microtubules
Spindle and RNA
Spindle only
✅ The correct answer is option A.
8. A special area of centromere with the specific base arrangement and specific proteins where spindle fibers are attached is called
Chromatin
Aster
Kinetochore
Primary constriction
✅ The correct answer is option C.