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7th grade quiz 1

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Eukaryotic cells undergo mitosis as part of the cell cycle. What does a cell produce as a result of mitosis?

a)

Two cells with the same genetic information

b)

Two cells that are larger than the original cell

c)


Two cells with genetic material that is different from the original cell

d)

Two cells that no longer participate in the stages of the cell cycle

2.

The cell cycle is a series of events that takes place in a cell as it

a)

replicates DNA.

b)


produces specialized cells.

c)


grows and divides.

d)


divides after checkpoints.

3.

A cell spends most of its time in what is called ________, and during this time it grows, replicates its ___________, and prepares for cell division. The cell then leaves interphase, undergoes ______, and completes its division. The resulting cells, known as daughter cells, each enter their own interphase and begin a new round of the cell cycle.

a)


interphase, chromosomes, division.

b)


interphase, chromosomes, mitosis.

c)

cell cycle, chromosomes, division.

d)

cell cycle, chromosomes, mitosis.

4.

During the G1 phase, the cell

a)

divides

b)

separates chromosomes

c)


replicates DNA

d)


grows

5.

Consider that mitotic phase of the human cell cycle takes approximately 1 hour, from a 24-hour cell cycle. What percentage (approx.) of the cell cycle is the mitotic phase?

a)

20%

b)


1%

c)

5%

d)

50%

6.

Which is that phase?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

7.

Which words best describe cancer?

a)

Uncontrolled growth

b)


Normal cycle

c)

Fast process

d)


Infectious disease

8.

What three things does a cell have to do to go through the cell cycle? (check all three)

a)

Grow

b)


Make a copy of it's DNA

c)

Die off to make room

d)

Split into two cells

e)

Compete with neighbor cells

9.

Which of the following represents the correct order of mitosis using only the first letter of each word?

a)

PMAT

b)

TAMP

c)

MAPT

d)

PAMT

10.

Each duplicated chromosome prior to division will be held together at a region called the ______ .

a)

Tetrad

b)

Synapsis

c)

Chromatid

d)

Centromeres

11.

Examine the picture of the cell. What phase is the cell in?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

12.

What is the structure labeled "X" on the picture?

a)

Centriole

b)

Spindle

c)

Chromosome

d)

Chromatid

13.

During which phase do chromosome first become visible?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

14.

A cell with 10 chromosomes undergoes mitosis. How many daughter cells are created? ___ Each daughter cell has ___ chromosomes.

a)

2, 10

b)

10, 2

c)

1, 10

d)

2, 20

15.

What structure is responsible for moving the chromosomes during mitosis?

a)

nucleolus

b)

nuclear membrane

c)

spindle fibers

d)

Cytplasm

16.

Cytokinesis begins in which phase?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

17.

Each chromosome consists of 2 _____.

a)

Centrofibers

b)

Chromatids

c)

Daughter cells

d)

Centrioles

18.

During which phase does the DNA make a copy of itself?

a)

Mitosis

b)

G1

c)

S

d)

G2

19.

Cells will generally divide when?

a)

they are 10 hours old

b)

they become infected

c)

they become too large

d)

they have no food

20.

Which phase occurs directly after metaphase?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase