Biology Quizzes

Cell Cycle MCQs with Answers

Welcome to the Cell Cycle MCQs with Answers. In this post, we have shared Cell Cycle Online Test for different competitive exams. Find practice Cell Cycle Practice Questions with answers in Biology Tests exams here. Each question offers a chance to enhance your knowledge regarding Cell Cycle.

The cell cycle is a meticulously regulated series of events that cells undergo to grow, replicate their DNA, and divide. Understanding the cell cycle and phases is crucial for comprehending how cells proliferate and maintain genetic stability.

The cell cycle comprises several stages: G1, S, G2, and M phase. The G1 (Gap 1) phase is the first stage, where the cell grows and synthesizes proteins necessary for DNA replication. During this phase, the cell ensures it is ready for the subsequent steps in the cycle.

The S (Synthesis) phase follows G1, during which DNA replication occurs. Each chromosome is duplicated to ensure that both daughter cells will receive an identical set of genetic material. This stage is critical for maintaining genetic integrity during cell and cell division.

Next, the G2 (Gap 2) phase is another period of growth and preparation, where the cell continues to grow and produce proteins needed for mitosis. The cell checks for DNA damage and ensures that all DNA has been accurately replicated.

The M (Mitosis) phase is the final stage of the cell cycle and involves the division of the cell’s nucleus (karyokinesis) and cytoplasm (cytokinesis). Mitosis itself is subdivided into several phases: prophase, metaphase, anaphase, and telophase. During these cell cycle stages, chromosomes are carefully aligned, separated, and distributed into two new nuclei, culminating in the formation of two genetically identical daughter cells.

Cell Cycle Online Quiz

By presenting 3 options to choose from, Cell Cycle Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Cell Cycle Questions and Answers and click over the correct answer.

  • Test Name: Cell Cycle MCQ Quiz Practice
  • Type: Quiz Test
  • Total Questions: 40
  • Total Marks: 40
  • Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply click on question and comment below that question. so that we can update the answer in the quiz section.

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Cell Cycle MCQs

Cell Cycle

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1 / 40

What is the role of cyclins in the cell cycle?

2 / 40

What is the function of the kinetochore during mitosis?

3 / 40

What is the G0 phase of the cell cycle?

4 / 40

What is the term for the process of cell division in prokaryotic cells?

5 / 40

Which phase of the cell cycle involves the replication of DNA?

6 / 40

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

7 / 40

What is the role of the spindle fibers during mitosis?

8 / 40

What is the name of the structure that organizes the mitotic spindle during cell division?

9 / 40

What is the main function of the G1 phase?

10 / 40

What is the function of the mitotic spindle in mitosis?

11 / 40

What is the significance of the M checkpoint in the cell cycle?

12 / 40

What is the role of the G1 phase in the cell cycle?

13 / 40

In which phase of mitosis do chromosomes condense and become visible under a microscope?

14 / 40

What is the function of the M checkpoint in the cell cycle?

15 / 40

What is the first stage of interphase?

16 / 40

What happens during telophase of mitosis?

17 / 40

What is the term for the region of a chromosome where spindle fibers attach during cell division?

18 / 40

Which phase of the cell cycle immediately follows mitosis?

19 / 40

What is the purpose of the S phase in the cell cycle?

20 / 40

What is the significance of mitosis in multicellular organisms?

21 / 40

What is the cell cycle?

22 / 40

What is the term for the division of the cytoplasm and organelles following mitosis?

23 / 40

What is the purpose of the G2 phase?

24 / 40

What is the significance of the G2 checkpoint?

25 / 40

What is the term for the point at which sister chromatids are held together?

26 / 40

In which phase of the cell cycle does the cell grow and carry out normal metabolic activities?

27 / 40

What is the role of the spindle apparatus during cell division?

28 / 40

What is the role of the centrioles during mitosis in animal cells?

29 / 40

During which phase of mitosis do sister chromatids separate and move towards opposite poles?

30 / 40

What is the primary function of the G1 checkpoint?

31 / 40

What is the significance of the G1 checkpoint in the cell cycle?

32 / 40

What happens to the nuclear envelope during mitosis?

33 / 40

What is the result of mitosis?

34 / 40

Which checkpoint ensures that DNA is undamaged before entering mitosis?

35 / 40

In which phase of the cell cycle does a cell spend most of its time?

36 / 40

What is the purpose of cytokinesis in the cell cycle?

37 / 40

What is the term for the two identical copies of a replicated chromosome?

38 / 40

What is the role of the G2 checkpoint in the cell cycle?

39 / 40

What is the purpose of the G2 phase in the cell cycle?

40 / 40

What is the term for the process of programmed cell death that eliminates unwanted or damaged cells?

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