Cell Division Quizzes: Master the Fundamentals of Cell Biology

Question 1

What process in prophase I of meiosis involves the exchange of genetic material between homologous chromosomes?

Accepted Answer

Crossing over

Answer

Formation of tetrads

Answer

Separation of sister chromatids

Answer

Condensation of chromosomes

Question 2

What is the function of microtubules during cell division?

Accepted Answer

Formation of the mitotic spindle

Answer

Packaging DNA

Answer

Condensing chromosomes

Answer

Synthesizing new DNA

Question 3

Which technique allows for the observation of cell division in real time?

Accepted Answer

Time-lapse microscopy

Answer

Flow cytometry

Answer

Electron microscopy

Answer

PCR

Question 4

Which of the following is NOT a hallmark of mitosis?

Accepted Answer

Pairing of homologous chromosomes during prophase

Answer

Chromosome alignment at the metaphase plate

Answer

Separation of sister chromatids during anaphase

Answer

Formation of genetically identical daughter cells

Question 5

What is the primary role of cohesin in mitosis?

Accepted Answer

Maintaining sister chromatid cohesion until anaphase

Answer

Aligning chromosomes during metaphase

Answer

Promoting spindle fiber formation

Answer

Separating homologous chromosomes during meiosis I

Question 6

Describe the function of the spindle apparatus in cell division.

Accepted Answer

Separating chromosomes to opposite cell poles

Answer

Forming the mitotic plate

Answer

Condensing chromosomes during prophase

Answer

Regulating cell cycle checkpoints

Question 7

Which is NOT a stage of meiosis I?

Accepted Answer

Telophase II

Answer

Prophase I

Answer

Metaphase I

Answer

Anaphase I

Question 8

Which of the following is NOT a stage of mitosis?

Accepted Answer

Cytokinesis

Answer

Prophase

Answer

Metaphase

Answer

Telophase

Question 9

During which stage of meiosis do homologous chromosomes pair and exchange genetic material?

Accepted Answer

Prophase I

Answer

Metaphase I

Answer

Anaphase I

Answer

Telophase I

Question 10

The spindle apparatus is primarily composed of which type of protein?

Accepted Answer

Tubulin

Answer

Actin

Answer

Myosin

Answer

Keratin

Question 11

The process of cytokinesis is essential for:

Accepted Answer

Separating daughter cells

Answer

Duplicating chromosomes

Answer

Condensing chromosomes

Answer

Aligning chromosomes at the metaphase plate

Question 12

The term 'karyokinesis' refers to:

Accepted Answer

Nuclear division

Answer

Cytoplasmic division

Answer

Chromosome duplication

Answer

Centrosome replication

Question 13

The process of 'decondensation' occurs during which stage of the cell cycle?

Accepted Answer

Interphase

Answer

Prophase

Answer

Metaphase

Answer

Anaphase

Question 14

Which of the following is NOT a stage of mitosis?

Accepted Answer

Interphase

Answer

Prophase

Answer

Metaphase

Answer

Anaphase

Question 15

During which stage of meiosis do homologous chromosomes pair up and exchange genetic material through crossing over?

Accepted Answer

Prophase I

Answer

Metaphase I

Answer

Anaphase I

Answer

Telophase I

Question 16

The structure that aligns chromosomes during mitosis and meiosis is called the:

Accepted Answer

Spindle apparatus

Answer

Centromere

Answer

Kinetochore

Answer

Centriole

Question 17

Which enzyme is responsible for unwinding the DNA double helix during cell division?

Accepted Answer

Helicase

Answer

DNA polymerase

Answer

RNA polymerase

Answer

Ligase

Question 18

The process of cytokinesis in animal cells involves:

Accepted Answer

Formation of a cleavage furrow

Answer

Dissolution of the nuclear envelope

Answer

Condensation of chromosomes

Answer

Spindle fibre attachment

Question 19

In which phase of mitosis does the nuclear envelope re-form, enclosing each set of chromosomes?

Accepted Answer

Telophase

Answer

Prophase

Answer

Metaphase

Answer

Anaphase

Question 20

Which stage of mitosis is characterized by the alignment of chromosomes along the metaphase plate?

Accepted Answer

Metaphase

Answer

Prophase

Answer

Anaphase

Answer

Telophase

Question 21

What is the primary function of centromeres in cell division?

Accepted Answer

They attach spindle fibers to chromosomes, facilitating chromosome movement.

Answer

They contain the DNA sequences necessary for DNA replication.

Answer

They prevent the formation of aneuploid cells by regulating chromosome segregation.

Answer

They initiate the condensation of chromosomes during prophase.

Question 22

What is the primary genetic consequence of crossing over during meiosis?

Accepted Answer

It increases genetic diversity among offspring.

Answer

It ensures the proper alignment of chromosomes during meiosis II.

Answer

It reduces the number of chromosomes by half in gametes.

Answer

It initiates the condensation of chromosomes during prophase I.

Question 23

Which type of cell division is responsible for producing genetically identical daughter cells for growth and tissue repair?

Accepted Answer

Mitosis

Answer

Meiosis

Answer

Binary fission

Answer

Budding

Question 24

Which of the following events is characteristic of prophase I of meiosis?

Accepted Answer

Synapsis of homologous chromosomes and crossing over

Answer

Formation of the metaphase plate and alignment of chromosomes

Answer

Separation of sister chromatids and movement to opposite poles

Answer

Formation of the spindle apparatus and nuclear envelope breakdown

Question 25

What is the process by which the number of chromosomes is halved in reproductive cells called?

Accepted Answer

Meiosis

Answer

Mitosis

Answer

Karyokinesis

Answer

Cytokinesis

Question 26

Which event is unique to prophase I of meiosis?

Accepted Answer

Synapsis and crossing over of homologous chromosomes

Answer

Separation of sister chromatids

Answer

Formation of the mitotic spindle

Answer

Cytokinesis

Question 27

Which of the following is NOT a stage of mitosis?

Accepted Answer

Interphase

Answer

Anaphase

Answer

Metaphase

Answer

Telophase

Question 28

During which stage of meiosis do crossing-over events occur?

Accepted Answer

Prophase I

Answer

Prophase II

Answer

Metaphase I

Question 29

What is the ultimate goal of cell division?

Accepted Answer

To produce new cells for growth, repair, and reproduction.

Answer

To regulate the cell cycle.

Answer

To transmit genetic material.

Answer

To differentiate cells into specialized types.

Question 30

Which of the following is a characteristic of cancer cells?

Accepted Answer

Uncontrolled cell division.

Answer

Differentiated cells.

Answer

Slowed cell division.

Answer

Diploid chromosomes.

Question 31

What is the name of the microtubule structure that separates the chromosomes during mitosis?

Accepted Answer

Spindle apparatus

Answer

Centromere

Answer

Synaptonemal complex

Answer

Nuclear envelope

Question 32

What is the name of the enzyme responsible for cleaving cohesin during mitosis?

Accepted Answer

Separase

Answer

Cyclin-dependent kinase

Answer

Cohesin

Answer

Topoisomerase

Question 33

What is the primary advantage of sexual reproduction?

Accepted Answer

Genetic diversity in offspring.

Answer

Offspring with identical chromosome numbers.

Answer

Cloned offspring.

Answer

Identical offspring.

Question 34

Which of the following is NOT a phase of mitosis?

Accepted Answer

Interphase

Answer

Prophase

Answer

Metaphase

Answer

Anaphase

Question 35

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

Accepted Answer

Metaphase I

Answer

Telophase II

Answer

Anaphase II

Answer

Prophase I

Question 36

Which of the following is a major function of the spindle apparatus in cell division?

Accepted Answer

To separate chromosomes and ensure their equal distribution into daughter cells.

Answer

To degrade the nuclear envelope

Answer

To synthesize new DNA

Question 37

What is a primary significance of crossing over during meiosis?

Accepted Answer

It increases genetic diversity among offspring.

Answer

It speeds up the process of cell division.

Answer

It ensures that all cells have the same number of chromosomes.

Answer

It helps repair damaged DNA.

Question 38

Which of the following is a type of cell division that reduces the chromosome number by half, resulting in daughter cells with half the number of chromosomes as the parent cell?

Accepted Answer

Meiosis

Answer

Budding

Answer

Mitosis

Answer

Binary fission

Question 39

What is the primary role of cyclin-dependent kinases (CDKs) in cell division?

Accepted Answer

To regulate the orderly progression of the cell cycle by phosphorylating target proteins.

Answer

To assemble the spindle apparatus.

Answer

To synthesize new DNA

Question 40

What is a fundamental importance of cell division in multicellular organisms?

Accepted Answer

It facilitates growth, tissue repair, and reproduction.

Answer

It regulates body temperature.

Answer

It aids in waste elimination from the body.

Answer

It coordinates the immune response.

Question 41

Which of the following is a potential consequence of uncontrolled cell division?

Accepted Answer

Cancer

Answer

Cardiovascular disease

Answer

Anemia

Answer

Diabetes

Question 42

What is a significant ethical implication of understanding cell division?

Accepted Answer

It enables informed decision-making in areas such as reproductive technologies, stem cell research, and cancer treatment.

Answer

It helps unravel the origins of life.

Answer

It allows for weather forecasting.