Cell Division: An Interactive Learning Journey for Healthcare Professionals

Question 1

Which of the following statements about the stages of meiosis is correct?

Accepted Answer

During prophase I of meiosis, homologous chromosomes pair up and exchange genetic material.

Answer

Meiosis results in the production of four genetically identical daughter cells.

Answer

Meiosis occurs in all cells of the body.

Answer

Meiosis is essential for the growth and repair of tissues.

Question 2

During which stage of mitosis do chromosomes become visible and align at the metaphase plate?

Accepted Answer

Metaphase

Answer

Prophase

Answer

Anaphase

Answer

Telophase

Question 3

During which stage of meiosis II do sister chromatids separate and move to opposite poles of the cell?

Accepted Answer

Anaphase II

Answer

Prophase II

Answer

Metaphase II

Answer

Telophase II

Question 4

What is the main purpose of cytokinesis?

Accepted Answer

To divide the cytoplasm

Answer

To separate sister chromatids

Answer

To produce new ribosomes

Answer

To synthesise DNA

Question 5

During which phase of mitosis do chromosomes condense and become visible?

Accepted Answer

Prophase

Answer

Metaphase

Answer

Anaphase

Answer

Telophase

Question 6

What is the role of microtubules in cell division?

Accepted Answer

To form the mitotic spindle and move chromosomes

Answer

To synthesize new DNA

Answer

To produce ribosomes

Answer

To repair damaged chromosomes

Question 7

Which type of cell division is involved in the growth and repair of tissues?

Accepted Answer

Mitosis

Answer

Cytokinesis

Answer

Meiosis

Answer

Binary fission

Question 8

Which of the following techniques is commonly used to visualise and study cell division under a microscope?

Accepted Answer

Microscopy

Answer

Tissue culture

Answer

Chromosomal analysis

Answer

Flow cytometry

Question 9

Errors in cell division can have severe consequences. Which of the following is NOT a potential outcome of such errors?

Accepted Answer

Normal organ development

Answer

Cancer

Answer

Genetic disorders

Answer

Impaired tissue repair

Question 10

What is the correct sequence of stages in mitosis?

Accepted Answer

Interphase, Prophase, Metaphase, Anaphase, Telophase

Answer

Prophase, Metaphase, Anaphase, Telophase

Answer

Interphase, Prophase, Metaphase, Telophase, Anaphase

Answer

Interphase, Metaphase, Prophase, Anaphase, Telophase

Question 11

Which of the following cell types undergoes meiosis?

Accepted Answer

Germ cells

Answer

Somatic cells

Answer

Blood cells

Answer

Muscle cells

Question 12

What is the primary difference between mitosis and meiosis II?

Accepted Answer

The ploidy of the daughter cells

Answer

The number of daughter cells produced

Answer

The presence of genetic recombination

Answer

The duration of the process

Question 13

Which checkpoint in the cell cycle is responsible for ensuring that all chromosomes are properly attached to the spindle fibres before anaphase?

Accepted Answer

M checkpoint

Answer

G1 checkpoint

Answer

S checkpoint

Answer

G2 checkpoint

Question 14

What is the potential consequence of uncontrolled cell division?

Accepted Answer

Cancer

Answer

Birth defects

Answer

Cell death

Answer

Immune disorders

Question 15

In the context of cancer, what is the significance of aneuploidy?

Accepted Answer

It can lead to uncontrolled cell division

Answer

It increases the risk of genetic disorders

Answer

It weakens the immune system

Answer

It inhibits cell differentiation

Question 16

A patient has a genetic disorder due to an incorrect number of chromosomes. Which cell division error is the most likely cause?

Accepted Answer

Non-disjunction during meiosis

Answer

Cytokinesis failure during mitosis

Answer

DNA replication errors during interphase

Answer

Centromere breakage during anaphase

Question 17

In what way does cell division contribute to the growth of multicellular organisms?

Accepted Answer

Cell division helps multicellular organisms grow by producing new cells that increase their size and mass.

Answer

Cell division only plays a role in repairing damaged tissues and has no involvement in growth.

Answer

Cell division is solely responsible for enabling organisms to reproduce and has no impact on growth.

Answer

Cell division is unrelated to growth and serves no purpose in multicellular organisms.

Question 18

Which stage of the cell cycle is characterized by chromosome replication?

Accepted Answer

S phase

Answer

G1 phase

Answer

G2 phase

Answer

Mitosis

Question 19

In which phase of mitosis do the sister chromatids separate and move to opposite poles of the cell?

Accepted Answer

Anaphase

Answer

Metaphase

Answer

Prophase

Answer

Telophase

Question 20

Which type of cell division results in daughter cells with half the number of chromosomes as the parent cell?

Accepted Answer

Meiosis

Answer

Mitosis

Answer

Binary fission

Answer

Budding

Question 21

What is a key role of cell division in multicellular organisms?

Accepted Answer

All of the above

Answer

Growth and development

Answer

Tissue repair

Answer

Asexual reproduction

Question 22

Which of the following is NOT a potential consequence of errors in cell division?

Accepted Answer

Enhanced cell survival

Answer

Chromosomal abnormalities

Answer

Genetic disorders

Answer

Increased susceptibility to cancer

Question 23

What are potential consequences of errors in cell division?

Accepted Answer

Cell death

Accepted Answer

Cancer

Answer

Normal cell function

Question 24

In stem cell research, which ethical consideration is most important when using cell division techniques?

Accepted Answer

Getting permission from donors

Answer

Protecting animals

Answer

Making treatments affordable

Question 25

Which of the following is a potential use of cell division in regenerative medicine?

Accepted Answer

Tissue engineering

Accepted Answer

Stem cell therapy

Answer

Cancer immunotherapy

Answer

Genetic counseling

Question 26

During mitosis, which mechanism ensures the precise separation of chromosomes?

Accepted Answer

M checkpoint

Answer

Interphase

Answer

G1 checkpoint

Answer

S phase

Question 27

Which of the following accurately describes the primary function of centrosomes during mitosis?

Accepted Answer

Forming the spindle apparatus

Answer

Synthesizing new DNA

Answer

Separating sister chromatids

Answer

Condensing chromosomes

Question 28

During which stage of mitosis do the chromosomes line up at the central region of the cell (metaphase plate)?

Accepted Answer

Metaphase

Answer

Prophase

Answer

Anaphase

Answer

Telophase

Question 29

Uncontrolled cell division can potentially lead to:

Accepted Answer

Cancer

Answer

Apoptosis

Answer

Differentiation

Answer

Aging

Question 30

Describe the role of telomerase in the context of cell division.

Accepted Answer

It extends the length of telomeres, delaying cellular senescence

Answer

It degrades telomeres, initiating apoptosis

Answer

It synthesizes new DNA during the S phase of the cell cycle

Answer

It assists in aligning chromosomes during mitosis

Question 31

How does cell division play a role in cancer treatment?

Accepted Answer

It helps control cell growth to prevent uncontrolled division.

Answer

It creates new cells to replace damaged ones.

Answer

It produces antibodies to fight cancer cells.

Answer

It allows cancer cells to multiply and spread.

Question 32

Which of the following correctly describes the primary function of mitosis?

Accepted Answer

To produce two genetically identical daughter cells for growth, tissue repair, and asexual reproduction

Answer

To maintain chromosome number in somatic cells

Answer

To repair damaged DNA

Answer

To produce four haploid gametes for sexual reproduction

Question 33

Which mitotic phase is characterized by the alignment of chromosomes at the cell's equator?

Accepted Answer

Metaphase

Answer

Telophase

Answer

Prophase

Answer

Anaphase

Question 34

What is the significance of crossing over during meiosis?

Accepted Answer

It increases genetic diversity in offspring by exchanging genetic material between homologous chromosomes

Answer

It reduces the number of chromosomes in gametes

Answer

It repairs damaged DNA

Answer

It ensures accurate chromosome segregation

Question 35

Which of the following is NOT a potential cause of non-disjunction?

Accepted Answer

Proper spindle fiber attachment

Answer

Exposure to radiation

Answer

Errors in DNA replication

Answer

Aging

Question 36

What are the potential consequences of aneuploidy in an organism?

Accepted Answer

It can lead to developmental abnormalities, health conditions, and reproductive challenges

Answer

It always results in a viable organism

Answer

It only affects somatic cells

Question 37

Which technique is commonly employed to analyze the chromosomal composition of a cell?

Accepted Answer

Karyotyping

Answer

Electrophoresis

Answer

DNA sequencing

Answer

Polymerase Chain Reaction (PCR)

Question 38

How do cyclin-dependent kinases (CDKs) contribute to the regulation of the cell cycle?

Accepted Answer

They activate and deactivate specific proteins involved in cell cycle progression

Answer

They inhibit the activity of cyclins

Answer

They repair damaged DNA

Question 39

What is the fundamental difference between a diploid and a haploid cell?

Accepted Answer

Diploid cells possess two sets of chromosomes (2n), while haploid cells contain one set (n)

Answer

Diploid cells are found in gametes, while haploid cells are found in somatic cells

Answer

Diploid cells undergo mitosis, whereas haploid cells undergo meiosis

Question 40

Which type of cell is generally incapable of dividing?

Accepted Answer

Neurons

Answer

Fibroblasts

Answer

Stem cells

Answer

Epithelial cells