In which phase does DNA replication take place?

Prophase

Telophase

Metaphase

Question 1

Which is the correct sequence of events that occurs during mitosis?

4, 2, 1, 3

2, 4, 1, 3

Question 2

3, 1, 2, 4

4, 1, 2, 3

Which one of the following shows the correct number of sperm cells formed per mother cell and the chromosome number in each sperm cell, respectively?

Question 3

4 ; n

2 ; n

2 ; 2n

4 ; 2n

If at the end of meiosis, the 4 daughter cells have 8 chromosomes each, how many chromosomes were present in the original mother cell?

Question 4

16

12

14

8

Daughter cells formed by a cell with 40 chromosomes will each contain ...

Question 5

20 chromosomes after mitosis.

10 chromosomes after mitosis.

20 chromosomes after meiosis.

10 chromosomes after meiosis.

The term that describes nuclear division is known as  ...

Question 6

karyokinesis.

gametogenesis.

cyclosis.

cytokinesis.

The centrosome  ...

Question 7

plays a role in cell division in animal cells only.

attaches two chromatids together.

plays a role in cell division in plant cells.

contains pigments.

Meiosis is the process during which  ...

Question 8

the diploid number of chromosomes is reduced to the haploid number.

2 daughter cells identical to the parent cell are formed.

4 daughter cells identical to the parent cell are formed.

the haploid number of chromosomes is changed to the diploid number.

Proteins in a cell are synthesised on orgenelles called ...

Question 9

ribosomes

plastids

chromatids

mitochondria

Anaphase is a stage in mitosis which is characterised by the ...

Question 10

movement of daughter chromosomes to opposite poles.

formation of two daughter cells.

formation of a spindle.

arrangement of chromosomes at the equator of the cell.

The chromosomes of a zygote are ...

Question 11

diploid.

15

half the number present in a gamete.

haploid.

Identify the stage of mitosis in the diagram alongside.

Question 12

Anaphase

Interphase

Prophase

Metaphase

There are 24 chromosomes in the nucleus of a cell before mitosis.  How many chromosomes will each new cell nucleus have after mitosis?

Question 13

24

3

6

12

Mitosis ensures that each new cell produced by cell division will have ...

Question 14

a full set of chromosomes.

an equal share of cytoplasm.

twice the number of chromosomes.

half the number of chromosomes.

Spindle fibres in cell division do not connect ...

Question 15

daughter chromatids to each other.

chromosomes to centrioles.

homologous chromosomes to centrioles.

centromeres to centrioles.

Which divided structures first move apart during mitosis?

Question 16

2

3

4

5

How many chromatids are shown in the cell?

Question 17

8

2

4

6

Which structure disappears when structure 3 is forming?

Question 18

4

1

2

5

After completion of this division, each new cell will have ...

Question 19

4 chromosomes.

2 chromosomes.

2 chromatids.

4 chromatids.

Which structure divides last as the chromosomes are about to migrate to opposite poles of the cell?

Question 20

6

5

4

3

Interphase

Set 1

Set 2

1.   chromosome splits

2.   chromosomes arranged at equator

3.   cytoplasm divides

4.   DNA replication occurs

Questions 16 to 20 are based on the diagrams which illustrate stages in mitosis.

This is a learning exercise.

You must scroll to the top and examine your incorrect choices, with the view to improving your understanding of this topic. Refer to the Study Guide if necessary.

Set 1

Set 2

Choose

Questions source: DBE  (Authorisation 11798)

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