Cell Cycle Mcqs
This Set of Multiple choice questions and answers focuses on study of Cell Cycle in Biology. These questions are chosen from a collection of most authoritative and best reference books on Biology. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs Tests and Medicine industry job interviews. One should practice our Mcqs to assimilate knowledge on Cell Cycle comprehensively.
2. DNA is synthesized and chromosome number is doubled in
G1 phase
S phase
G2 phase
G0 phase
3. In case of neurons, post mitotic cell escapes cell cycle and remain in _______ phase whthout proliferating further
G0 phase
G1 phase
G2 phase
S phase
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4. Which statement is incorrect?
In human, cell cycle is about 24 hrs
Mitosis takes 30 min
G2 5.5 hrs
Yeast cell only 90 min
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5. Mitosis occurs in
Diploid cells only
Haploid cells only
Both diploid and haploid cells
Monoploid cells
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6. Microtubules are composed of
Action protein
Actin and myosin proteins
Sphingomyelin and tubulin
Tubulin protein and traces of RNA
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7. From each pair of centrioles ________ sets of microtubules originate
2
3
4
5
8. Mitotic apparatus in animals is formed by
Aster and spindle
Polar and kinetochore microtubules
Spindle and RNA
Spindle only
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9. A special area of centromere with specific base arrangement and specific proteins where spindle fibers are attached is called
Chromatin
Aster
Kinetochore
Primary constriction
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10. Each kinetochore gets ________ fibers in mitosis
5
4
3
2
11. Most critical phase of mitosis is
Prophase
Anaphase
Metaphase
Telophase
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12. Reverse of prophase is
Interphase
Metaphase
Anaphase
Telophase
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13. In plants mitotic apparatus consists of
Centriole
Centriole and asters
Centrioles, asters and spindles
Spindles only
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14. Which statement is not true about phragmoplast?
Formed from vesicle originating from Golgi apparatus
Present in plants only
Formed at the end of anaphase
Centre of dividing cell
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15. Spread of tumor cells and establishment of secondary areas of growth is
Benign tumors
Cancer
Metastasis
Epistasis
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