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Grade 9 - Biology Cytology – Lesson 6 Quiz

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Grade 9 - Biology Cytology – Lesson 6 Quiz

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Questions and Answers

What is the main objective of mitosis in cell division?

To increase the size of the cell

To reduce the number of chromosomes

To trigger apoptosis in the cell

To replicate and distribute chromosomes into daughter cells (correct)

Why is mitosis known as equational division?

It leads to cell death

It increases genetic variation

It reduces chromosome number in daughter cells

It equally distributes replicated chromosomes to daughter cells (correct)

Which term best describes the process of mitosis?

Asexual reproduction (correct)

Formation of sex cells

Cellular respiration

Meiosis

What happens to the chromosome numbers in the daughter cells after mitosis?

They remain equal to the parent cell (C) Signup and view all the answers

How does the process of mitosis contribute to growth and tissue repair?

By producing more somatic cells with identical genetic information (D) Signup and view all the answers

Which of the following statements accurately describes the sequence of events during mitosis?

Nuclear envelope breaks down, chromosomes condense, chromosomes line up, chromosomes separate, nuclear envelope reforms (A) Signup and view all the answers

If a parent cell has 16 chromosomes, how many chromosomes will each daughter cell have after mitosis is complete?

16 chromosomes (B) Signup and view all the answers

Which of the following is NOT a characteristic of mitosis?

It occurs only in diploid cells. (D) Signup and view all the answers

During which stage of mitosis do the chromosomes line up at the equatorial plane of the cell?

Metaphase (A) Signup and view all the answers

If a cell undergoes mitosis but fails to complete cytokinesis (cell division), what would be the result?

Formation of a single cell with double the number of chromosomes (D) Signup and view all the answers