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Total questions: 40

Worksheet time: 33mins

Name
Class
Date
1.

During _______ the cell grows, its organelles and chromosomes replicate.

a)

cytokinesis

b)

mitosis

c)

interphase

d)

meiosis

2.

When a cell stop growing, say due to a shortage of nutrients, this will occur in which phase of cell cycle?

a)

G1

b)

G2

c)

S

d)

D

3.

List four phases of mitosis in CORRECT order.

a)

Anaphase, Telophase, Metaphase and Prophase

b)

Metaphase, Telophase, Prophase and Anaphase

c)

Prophase, Anaphase, Telophase and Metaphase

d)

Prophase, Metaphase, Anaphase and Telophase.

4.

In the mitosis, the number of chromosome sets in daughter cells will be

a)

half the number in the parent cell

b)

twice the number in the parent cell.

c)

the same as in parent cell

d)

one fourth the number in the parent cell

5.

It is important that the centromere not divide until the end of metaphase because it

a)

contains the gene that control prophase

b)

holds the replicated DNA molecules together

c)

is connected to nuclear membrane

d)

produces the spindle fibres

6.

How is meiosis related to sexual reproduction?

a)

Meiosis allows the offspring produced during sexual reproduction to grow and develop

b)

Meiosis joins together the gametes during sexual reproduction to produce new offspring.

c)

Meiosis produces the gametes that join to form new offspring during sexual reproduction.

d)

Meiosis produces the somatic cells that join to form new offspring during sexual reproduction

7.

The number of chromosomes in a fertilized egg is..

a)

half as many as in an unfertilized egg

b)

the same as in the sperm

c)

twice the number as in the sperm

d)

twice the number as in skin cell

8.

Sister chromatids remain joined at the centromere in all the stages of meiosis listed below EXCEPT

a)

metaphase I.

b)

metaphase II

c)

anaphase I

d)

anaphase II.

9.

In comparing mitosis and meiosis, which of the following statements is TRUE?

a)

Meiosis I is more like mitosis than is meiosis II.

b)

Both cell divisions produce four cells

c)

Synapsis occurs in both cell divisions.

d)

Meiosis occurs to germ cells, while mitosis occurs to somatic cells.

10.

The process of replication in the S phase of the cell cycle is connected with which of the followings?

a)

Doubling of the number of chromatids

b)

Doubling of the DNA content exclusively.

c)

Doubling of the number of chromosomes.

d)

Doubling of the amount of energy in mitochondria.

11.

Phenotype is

a)

Genetic makeup

b)

Determines genotype

c)

Physical trait of an organism

d)

Represented by two alleles

12.

The term “dominant” means that

a)

both alleles can be expressed in a hybrid.

b)

all members of the F2 generation of a hybrid cross exhibit the dominant phenotype.

c)

one allele can mask the expression of another in a hybrid.

d)

the dominant phenotype is more beneficial than the recessive phenotype

13.

The Law of Independent Assortment is not applicable for

a)

dihybrid inheritance

b)

true breed individuals

c)

heterozygous genotypes.

d)

linked genes.

14.

Two individuals of a rare animal species are mated. One is homozygous for brown eyes and the other is heterozygous. The recessive eye colour is grey. What is the probability that their offspring has brown eyes?

a)

1

b)

½

c)

¼

d)

¾

15.

which of the following are not the characteristic of Mendel's Pea plant?

a)

short life cycle

b)

cheap

c)

can be cross-pollinated

d)

can be self-pollinated

16.

A heterozygous blood group A man marries a heterozygous blood group A woman. What is the probability that their children will be of blood group O

a)

12.5%

b)

25%

c)

50%

d)

75%

17.

Linked genes..

a)

control the same characteristic

b)

are in the same nucleus

c)

are situated on the same chromosome

d)

segregate at mitosis

18.
True or False. 
After a cell goes through cytokinesis, it starts mitosis all over again.
a)
True
b)
False
19.
True or False.
Mitosis is a continuous process.
a)
True
b)
False
20.
What phase is this cell in?
a)
Cytokinesis
b)
Mitosis
c)
Prophase
d)
Metaphase
21.
What phase is this cell in?
a)
Mitosis
b)
Interphase
c)
Prophase
d)
Telophase
22.
What phase is this cell in?
a)
Mitosis
b)
Cytokinesis
c)
Prophase
d)
Telophase
23.
In what phase do the organelles disperse out into the daughter cells, and the cell prepares for cytokinesis?
a)
Prophase
b)
Interphase
c)
Mitosis
d)
Telophase
24.
BONUS:
How long is the whole cell cycle for most animal cells?
a)
2-3 days
b)
24 hours
c)
2-3 hours
d)
23 hours
25.
What can the cell cycle also be called?
a)
Cell growth
b)
DNA Replication
c)
Preparation for Mitosis
d)
Cell Divison
26.
Stem cells are
a)
cells that grow uncontrollably.
b)
undifferentiated and can develop into many types of cells.
c)
cells that never go through cell division.
d)
only found in embryos.
27.
Which type of cell is unspecialized?
a)
skin cell
b)
stem cell
c)
liver cell
d)
muscle cell
28.

A copy a chromosome made during cell division are called:

a)

daughter chromatids

b)

sister chromatids

c)

cell chromatids

d)

sister chromosome

29.

The stage of mitosis where the sister chromatids separate:

a)

prophase

b)

anaphase

c)

telophase

d)

metaphase

30.

During mitosis chromosomes meet in the middle to get divided into two daughter cells in a phase called:

a)

prophase

b)

anaphase

c)

metaphase

d)

telophase

31.

Which is not a phase of the cell cycle?

a)

Interphase

b)

Mitosis

c)

Cytokinesis

d)

Duplication

32.

Apoptosis is

a)

programmed cell death

b)

mysterious cell death

c)

programmed cellular mutation

d)

mysterious cellular mutation

33.
Place these cells in order of mitosis.
a)
A, B, C, D, E
b)
B, E, D, A, C
c)
C, E, A, D, B
d)
B, D, A, E, C
34.
Neuron cells, like the one pictured, rarely replicate. Therefore, we consider them to be in the _____ phase.
a)
G0
b)
G1
c)
S
d)
Delay
35.
At the end of the G1 phase, there's a checkpoint. What is this checkpoint probably checking for?
a)
To see if the cell has grown enough
b)
To see if the DNA was correctly replicated
c)
To make sure the cell does not have cancer
d)
To make sure that the enzymes aren't amalyzed
36.
Sister chromatids are joined together at the ___________.
a)
equator
b)
chromosome
c)
centromere
d)
ends
37.
Why don't cells just stretch when you grow, instead of making copies of themselves?
a)
The muscles in the cells can't stretch that far.
b)
The cell won't be able to bring in food fast enough or get waste out fast enough.
c)
The cell membrane doesn't like the feeling of stretching.
d)
The lysosomes don't want to work so hard.
38.
What is the role of the spindle during mitosis?
a)
it changes the chromatin to chromosome
b)
duplicate the DNA
c)
breaks down the membrane
d)
separates the chromatids.
39.
Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?
a)
In order for genetic information to be transferred into daughter cells.
b)
In order for the cell to be able to increase in size.
c)
In order for the DNA to be contained in the nucleus.
d)
In order for the cell to re-order the DNA sequencing in the new cells.
40.

How many PAIRs of chromosomes do you have?

a)

46

b)

17

c)

23

d)

40

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