Question 1

Which of the following best describes the main purpose of the cell cycle in multicellular organisms?

Accepted Answer

To ensure the equal distribution of genetic material during cell division

Question 2

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

Accepted Answer

S phase

Question 3

What is the correct sequence of events in mitosis?

Accepted Answer

Prophase, Metaphase, Anaphase, Telophase

Question 4

If a cell with 8 chromosomes undergoes mitosis, how many chromosomes will each daughter cell have?

Accepted Answer

$$8$$

Question 5

Which of the following statements about cytokinesis is correct?

Accepted Answer

It results in the formation of two genetically identical daughter cells

Question 6

A scientist observes a cell with chromosomes aligned at the center of the cell. Which stage of mitosis is this cell in?

Accepted Answer

Metaphase

Question 7

Which event distinguishes anaphase from other stages of mitosis?

Accepted Answer

Sister chromatids are pulled apart toward opposite poles

Question 8

Why is the regulation of the cell cycle important for multicellular organisms?

Accepted Answer

It ensures proper growth, tissue repair, and asexual reproduction

Question 9

Which of the following best explains why cancer can result from errors in the cell cycle?

Accepted Answer

Cancer cells divide uncontrollably due to loss of cell cycle regulation

Question 10

A mutation prevents a cell from completing cytokinesis. What is the most likely result?

Accepted Answer

The cell will have two nuclei

Question 11

Which checkpoint in the cell cycle ensures that all chromosomes are properly attached to the spindle before proceeding?

Accepted Answer

M checkpoint

Question 12

If a cell fails to pass the G1 checkpoint, what is the most likely outcome?

Accepted Answer

The cell will enter a non-dividing state called G0

Question 13

Which of the following is NOT a function of mitosis in multicellular organisms?

Accepted Answer

Production of gametes

Question 14

A cell is observed with a clearly visible nuclear envelope and chromosomes that are not yet condensed. Which phase is this cell most likely in?

Accepted Answer

Interphase

Question 15

Which process ensures that each daughter cell receives an identical set of chromosomes during cell division?

Accepted Answer

Mitosis

4.5 Cell Cycle

Study Guide - Practice Questions