Quiz: Mitosis Mastery


Mitosis MasteryOnline version Mitosis steps quiz by ثناء خان 1 Which stage dissolves the nuclear envelope and hides chromosomes in the nucleus? a Prophase b Telophase c Cytokinesis d Metaphase 2 What structures pull apart sister chromatids during mitosis? a Nucleolus b Spindle fibers attached to kinetochores c Ribosomes d Golgi apparatus 3 During which phase do chromosomes line up at the cell equator? a Anaphase b Telophase c Prophase d Metaphase 4 Which event marks the beginning of sister chromatids separation? a Telophase b Metaphase c Anaphase d Prophase 5 What is formed when chromatid pairs are pulled to opposite poles? a Centromeres duplicated b Separated chromosomes at poles c Daughter nuclei d Spindle hemispheres 6 Which phase involves chromatin condensing into visible chromosomes? a Metaphase b Prophase c Telophase d Cytokinesis 7 What completes cytokinesis in animal cells? a Chromosome condensation b Cleavage furrow formation leading to two cells c Nuclear envelope reformation d Spindle disassembly 8 During which phase do the chromosomes arrive at the poles and the nuclei re-form? a Metaphase b Cytokinesis c Prophase d Telophase 9 What microtubule structure disappears as cytokinesis begins? a Nucleolus b Golgi apparatus c Ribosomes d Mitotic spindle 10 Which phase is split into prophase and prometaphase with nuclear envelope breakdown? a Interphase b Cytokinesis c Anaphase d Prometaphase 11 What is Interphase in the cell cycle? a G1, S, and G2 phases where growth and DNA replication occur b Metaphase c M phase only d Cytokinesis 12 Which phase of Interphase involves DNA replication? a S phase b M phase c G1 phase d G2 phase 13 What happens in the G1 phase? a Spindle formation b DNA replication c Chromosome segregation d Cell grows and carries out normal functions 14 What is the main purpose of the G2 phase? a Produce gametes b Divide the nucleus c Form spindle fibers only in M d Prepare for mitosis and repair DNA 15 Which statement best describes Interphase duration? a It only occurs in cancer cells b It excludes DNA replication c It is the longest phase and varies by cell type d It lasts exactly 2 hours 16 What checkpoints exist during Interphase? a G1 and G2 checkpoints b Spindle assembly checkpoint c No checkpoints in Interphase d Metaphase checkpoint only 17 How is DNA stored during Interphase? a As loosely packed chromatin b As RNA only c As proteins only d As condensed chromosomes 18 Which event marks the end of Interphase? a DNA transcription begins b Entry into M phase (mitosis) c Nuclear envelope breakdown d Cytokinesis 19 What happens if DNA is damaged in S phase? a Cell exit into G0 b DNA repair pathways fix the damage c DNA is discarded as waste d Immediate mitosis proceeds 20 What is the relationship between Interphase and M phase? a M phase precedes Interphase b Interphase happens only after cytokinesis c They occur simultaneously d Interphase precedes M phase and prepares the cell Feedback 1 Prophase begins chromatin condensing; nuclear envelope breaks down. Metaphase aligns chromosomes; Telophase reforms nuclei; Cytokinesis divides cytoplasm. 2 Spindle fibers with kinetochores attach to centromeres. Nucleolus, Golgi, and ribosomes have other functions. 3 Metaphase aligns chromosomes at the metaphase plate; Anaphase pulls chromatids apart. 4 Anaphase triggers separation; Metaphase aligns them; Prophase condenses; Telophase reforms nuclei. 5 Separated chromosomes migrate to poles; this precedes cytokinesis. 6 Chromatin condenses in prophase; metaphase aligns; telophase decondenses into nuclei. 7 A contractile ring creates a cleavage furrow splitting the cell; nuclei reform afterward. 8 Telophase re-establishes nuclei; prophase condenses; metaphase aligns; cytokinesis completes division. 9 The mitotic spindle disassembles as the cell completes division; other organelles persist. 10 Prometaphase follows prophase; it features broken envelopes and chromosome motion. Interphase is earlier, and anaphase/cytokinesis are later stages. 11 Interphase includes G1, S, G2, the growth and DNA replication stages, before mitosis. 12 S phase is when the cell duplicates its DNA for two daughter cells. 13 G1 is the first growth phase where the cell grows and functions normally. 14 G2 checks DNA and prepares organelles for division before mitosis. 15 Interphase lasts the longest and varies with cell type and conditions. 16 G1 and G2 checkpoints assess DNA integrity before proceeding to mitosis. 17 DNA is chromatin-form to be accessible for replication and transcription. 18 Interphase ends as the cell enters mitosis (M phase). 19 Cells activate repair mechanisms to fix damage before replication completes. 20 Interphase sets up growth and DNA replication before mitosis starts.

1

Which stage dissolves the nuclear envelope and hides chromosomes in the nucleus?

a

Prophase

b

Telophase

c

Cytokinesis

d

Metaphase

2

What structures pull apart sister chromatids during mitosis?

a

Nucleolus

b

Spindle fibers attached to kinetochores

c

Ribosomes

d

Golgi apparatus

3

During which phase do chromosomes line up at the cell equator?

a

Anaphase

b

Telophase

c

Prophase

d

Metaphase

4

Which event marks the beginning of sister chromatids separation?

a

Telophase

b

Metaphase

c

Anaphase

d

Prophase

5

What is formed when chromatid pairs are pulled to opposite poles?

a

Centromeres duplicated

b

Separated chromosomes at poles

c

Daughter nuclei

d

Spindle hemispheres

6

Which phase involves chromatin condensing into visible chromosomes?

a

Metaphase

b

Prophase

c

Telophase

d

Cytokinesis

7

What completes cytokinesis in animal cells?

a

Chromosome condensation

b

Cleavage furrow formation leading to two cells

c

Nuclear envelope reformation

d

Spindle disassembly

8

During which phase do the chromosomes arrive at the poles and the nuclei re-form?

a

Metaphase

b

Cytokinesis

c

Prophase

d

Telophase

9

What microtubule structure disappears as cytokinesis begins?

a

Nucleolus

b

Golgi apparatus

c

Ribosomes

d

Mitotic spindle

10

Which phase is split into prophase and prometaphase with nuclear envelope breakdown?

a

Interphase

b

Cytokinesis

c

Anaphase

d

Prometaphase

11

What is Interphase in the cell cycle?

a

G1, S, and G2 phases where growth and DNA replication occur

b

Metaphase

c

M phase only

d

Cytokinesis

12

Which phase of Interphase involves DNA replication?

a

S phase

b

M phase

c

G1 phase

d

G2 phase

13

What happens in the G1 phase?

a

Spindle formation

b

DNA replication

c

Chromosome segregation

d

Cell grows and carries out normal functions

14

What is the main purpose of the G2 phase?

a

Produce gametes

b

Divide the nucleus

c

Form spindle fibers only in M

d

Prepare for mitosis and repair DNA

15

Which statement best describes Interphase duration?

a

It only occurs in cancer cells

b

It excludes DNA replication

c

It is the longest phase and varies by cell type

d

It lasts exactly 2 hours

16

What checkpoints exist during Interphase?

a

G1 and G2 checkpoints

b

Spindle assembly checkpoint

c

No checkpoints in Interphase

d

Metaphase checkpoint only

17

How is DNA stored during Interphase?

a

As loosely packed chromatin

b

As RNA only

c

As proteins only

d

As condensed chromosomes

18

Which event marks the end of Interphase?

a

DNA transcription begins

b

Entry into M phase (mitosis)

c

Nuclear envelope breakdown

d

Cytokinesis

19

What happens if DNA is damaged in S phase?

a

Cell exit into G0

b

DNA repair pathways fix the damage

c

DNA is discarded as waste

d

Immediate mitosis proceeds

20

What is the relationship between Interphase and M phase?

a

M phase precedes Interphase

b

Interphase happens only after cytokinesis

c

They occur simultaneously

d

Interphase precedes M phase and prepares the cell

Feedback

1

Prophase begins chromatin condensing; nuclear envelope breaks down. Metaphase aligns chromosomes; Telophase reforms nuclei; Cytokinesis divides cytoplasm.

2

Spindle fibers with kinetochores attach to centromeres. Nucleolus, Golgi, and ribosomes have other functions.

3

Metaphase aligns chromosomes at the metaphase plate; Anaphase pulls chromatids apart.

4

Anaphase triggers separation; Metaphase aligns them; Prophase condenses; Telophase reforms nuclei.

5

Separated chromosomes migrate to poles; this precedes cytokinesis.

6

Chromatin condenses in prophase; metaphase aligns; telophase decondenses into nuclei.

7

A contractile ring creates a cleavage furrow splitting the cell; nuclei reform afterward.

8

Telophase re-establishes nuclei; prophase condenses; metaphase aligns; cytokinesis completes division.

9

The mitotic spindle disassembles as the cell completes division; other organelles persist.

10

Prometaphase follows prophase; it features broken envelopes and chromosome motion. Interphase is earlier, and anaphase/cytokinesis are later stages.

11

Interphase includes G1, S, G2, the growth and DNA replication stages, before mitosis.

12

S phase is when the cell duplicates its DNA for two daughter cells.

13

G1 is the first growth phase where the cell grows and functions normally.

14

G2 checks DNA and prepares organelles for division before mitosis.

15

Interphase lasts the longest and varies with cell type and conditions.

16

G1 and G2 checkpoints assess DNA integrity before proceeding to mitosis.

17

DNA is chromatin-form to be accessible for replication and transcription.

18

Interphase ends as the cell enters mitosis (M phase).

19

Cells activate repair mechanisms to fix damage before replication completes.

20

Interphase sets up growth and DNA replication before mitosis starts.

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Mitosis Mastery

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Mitosis MasteryOnline version

by ثناء خان

Which stage dissolves the nuclear envelope and hides chromosomes in the nucleus?

What structures pull apart sister chromatids during mitosis?

During which phase do chromosomes line up at the cell equator?

Which event marks the beginning of sister chromatids separation?

What is formed when chromatid pairs are pulled to opposite poles?

Which phase involves chromatin condensing into visible chromosomes?

What completes cytokinesis in animal cells?

During which phase do the chromosomes arrive at the poles and the nuclei re-form?

What microtubule structure disappears as cytokinesis begins?

Which phase is split into prophase and prometaphase with nuclear envelope breakdown?

What is Interphase in the cell cycle?

Which phase of Interphase involves DNA replication?

What happens in the G1 phase?

What is the main purpose of the G2 phase?

Which statement best describes Interphase duration?

What checkpoints exist during Interphase?

How is DNA stored during Interphase?

Which event marks the end of Interphase?

What happens if DNA is damaged in S phase?

What is the relationship between Interphase and M phase?

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