Cell Cycle and Mitosis Quiz

During which phase of the cell cycle does DNA replication occur?

• G1 phase

• S phase

• G2 phase

• M phase

What is the primary purpose of mitosis?

• To replicate DNA

• To exchange genetic material

• To produce two identical daughter cells

• To reduce the chromosome number

Tags

NGSS.HS-LS1-4

In which stage of mitosis do the chromosomes line up in the center of the cell?

• Metaphase

• Telophase

• Anaphase

• Prophase

Tags

NGSS.HS-LS1-4

What role do spindle fibers play during mitosis?

• They provide energy for the cell

• They replicate DNA

• They help separate the chromosomes

• They form the nuclear envelope

Tags

NGSS.HS-LS1-4

What is the phase of the cell cycle that occurs immediately after mitosis?

• S phase

• Cytokinesis

• G2 phase

• G1 phase

Which of the following events occurs during prophase of mitosis?

• Chromosomes line up at the equatorial plate

• Spindle fibers start to pull apart chromosomes

• Nuclear envelope reforms

• Chromatin condenses into visible chromosomes

Tags

NGSS.HS-LS1-4

What happens to the nuclear envelope during prophase?

• It forms again

• It becomes thicker

• It breaks down

• It remains unchanged

Tags

NGSS.HS-LS1-4

What is the outcome of mitosis in terms of chromosome number?

• The chromosome number varies

• The chromosome number is doubled

• The chromosome number remains the same

• The chromosome number is halved

Tags

NGSS.HS-LS1-4

During which phase of the cell cycle does a cell grow and prepare for DNA synthesis?

• S phase

• M phase

• G2 phase

• G1 phase

What phase of the cell cycle is characterized by cell growth and carries out normal functions before DNA is replicated?

• G2 phase

• S phase

• G1 phase

• M phase