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Worksheets

Unit 4 Bio Test Review

Total questions: 90

Worksheet time: 2hrs 21mins

Name
Class
Date
1.
Which part of the Cell Cycle takes the longest?
a)
Interphase
b)
Mitosis
c)
Prophase
d)
Cytokinesis
2.
What part of the cell cycle results in the splitting of the new cells?
a)
Interphase
b)
Mitosis
c)
Metaphase
d)
Cytokinesis
3.
Put the following actions in order: DNA replicates, cell grows, cell divides, cell prepares for mitosis. 
a)
DNA replicates, cell grows, cell prepares for mitosis, cell divides
b)
cell grows, cell prepares for mitosis, DNA replicates, cell divides
c)
cell grows, DNA replicates, cell prepares for mitosis, cell divides
d)
DNA replicates, cell prepares for mitosis, cell grows, cell divides
4.

In which stage of the cell cycle does the cell grow in size?

a)

G1

b)

S

c)

G2

d)

Mitosis

5.

In which stage of the cell cycle does the DNA replicate?

a)

G1

b)

S

c)

G2

d)

Mitosis

6.

Where does DNA reproduce?

a)

Mitosis

b)

Synthesis

c)

G2

7.

Nuclear membrane disappears

Chromosomes can now be seen

Centrioles move to opposite sides

a)

Metaphase

b)

Interphase

c)

Telophase

d)

Prophase

8.

Chromosomes line up at the equator of the cell

Spindle fibers extend from the centrioles to the middle of the chromosomes

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Interphase

9.

Chromatids separate

a)

Anaphase

b)

Metaphase

c)

Prophase

d)

Telophase

10.

Nuclear membrane reforms around the new daughter cells.

Cytoplasm begins to "pinch" in.

a)

Anaphase

b)

Metaphase

c)

Telophase

d)

Interphase

11.

Two replicated cells split from each other and are able to move on their own.

a)

Metaphase

b)

Prophase

c)

Cytokinesis

d)

Telophase

12.

Identical copies of chromosomes

a)

Chromosome

b)

Chromatid

c)

Centriole

d)

Centromere

13.

The middle of a chromosome

a)

Centriole

b)

Cytokinesis

c)

Centromere

d)

Chromatid

14.

The goal of mitosis is to

a)

make a new parent cell

b)

make two new daughter cells with the same DNA

c)

make two new daughter cells with different DNA

d)

to grow a larger toe

15.

A good way to remember the stages of cell division is:

a)

AMPT

b)

ATMP

c)

PMAT

d)

PMA

16.

How many chromosomes are in each human cell?

a)

1

b)

146

c)

46

d)

1,000,000

17.

What stage of mitosis is this?

a)

Interphase

b)

Anaphase

c)

Cytokinesis

d)

Prophase

18.

What stage of mitosis is this?

a)

metrophase

b)

middlephase

c)

centraphase

d)

metaphase

19.

In what stage do the chromosomes line up along the equator of the cell?

a)

interphase

b)

prophase

c)

metaphase

d)

anaphae

20.

If there are 20 chromosomes in the nucleus before mitosis how many will there be in each new daughter cell after cytokinesis?

a)

20

b)

10

c)

40

d)

200

21.
Mitosis is the process by which
a)
Cells get bigger
b)
Cells get smaller
c)
Body cells divide into two
d)
Cells die
22.
The middle part that holds the two chromatids together is called the
a)
Chromatin
b)
Centriole
c)
Centromere
d)
Nucleus
23.

Which picture illustrates telophase?

a)
b)
c)
d)
24.

Which picture illustrates anaphase phase?

a)
b)
c)
d)
25.

Sex cells are called ______________ and body cells are called ___________.

a)

gametes; somatic

b)

somatic; gametes

c)

daughters; parents

d)

parents; daughters

26.

If an organism's lung cells contain 28 chromosomes, its gametes have ____ chromosomes.

a)

28

b)

14

c)

56

d)

7

27.

_________________ creates genetic diversity in gametes.

a)

Crossing over

b)

Prophase

c)

Mitosis

d)

Interphase

28.

Crossing over occurs during _________________.

a)

prophase II

b)

telophase II

c)

prophase I

d)

anaphase I

29.

What phase is this?

a)

Metaphase I

b)

Prophase II

c)

Telophase I

d)

Anaphase II

30.

What phase is this?

a)

Metaphase II

b)

Prophase II

c)

Telophase I

d)

Anaphase I

31.

What phase is this?

a)

Metaphase II

b)

Prophase I

c)

Telophase I

d)

Anaphase II

32.

What phase is this?

a)

Metaphase II

b)

Prophase I

c)

Telophase I

d)

Anaphase I

33.

What phase is this?

a)

Anaphase II

b)

Telophase I

c)

Telophase II

d)

Anaphase I

34.
In mitosis cells are genetically _______, but in meiosis cells are genetically ______.
a)
diverse, identical
b)
identical, diverse/different
35.

MEIOSIS produces ___ cells

a)

diploid

b)

haploid

36.

Meiosis is involved in the production of _____.

a)

Body cells.

b)

Skin and blood cells.

c)

Healing wounds.

d)

Gametes.

37.

Mitosis occurs only in _____.

a)

Reproductive cells.

b)

Skin and bones.

c)

Body cells.

d)

Infants and Children.

38.

A cell containing 20 chromosomes goes through MITOSIS. What is the end result?

a)

2 daughter cells each containing 40 chromosomes

b)

2 daughter cells each containing 20 chromosomes

c)

2 daughter cells each containing 10 chromosomes

d)

4 daughter cells each containing 20 chromosomes

39.

2. A cell containing 20 chromosomes undergoes MEIOSIS. What is the end result?

a)

2 daughter cells each containing 20 chromosomes

b)

2 daughter cells each containing 40 chromosomes

c)

4 daughter cells each containing 10 chromosomes

d)

4 daughter cells each containing 20 chromosomes

40.

Asexual reproduction is associated with what type of cell division?

a)

Mitosis

b)

Meiosis

41.

How many parents are required for sexual reproduction?

a)

0

b)

1

c)

2

d)

3

42.
All Offspring of Asexual reproduction are identical
a)
True
b)
False
43.

Which is a disadvantage of asexual reproduction?

a)

populations take a long time to grow

b)

populations lack genetic diversity, making them vulnerable

c)

offspring are slow to reach sexual maturity

d)

offspring are not vulnerable to environmental changes

44.

Sexual reproduction results in genetic variation because sex cells (gametes) go through the process of:

a)

mitosis

b)

meiosis

c)

interphase &

cell growth

d)

cell division

45.

The facts that organisms might die before they find a mate and reproduce is a(n):

a)

disadvantage of sexual reproduction

b)

disadvantage of asexual reproduction

c)

advantage of asexual reproduction

d)

advantage of sexual reproduction

46.

___________ result in species that are more resilient to environmental changes.

a)

Genetically diverse populations

b)

Large population numbers

c)

Genetically identical populations

d)

Environmental pressures

47.

All human have _________ chromosomes

a)

23

b)

46

c)

Diploid

d)

Haploid

48.

A 2n cell of a bat has 44 chromosomes, how many chromosomes will you find in one of his gametes

a)

23

b)

22

c)

44

d)

88

49.

A cell that has a half set of chromosomes is called a______ cell.

a)

haploid

b)

diploid

c)

triploid

d)

hetrolpoid

50.

A cell that has a full set of chromosomes is called a______ cell.

a)

haploid

b)

diploid

c)

triploid

d)

hetrolpoid

51.
Mitosis produces cells with haploid or diploid number of chromosomes?
a)
Haploid
b)
Diploid
52.
Meiosis produces cells with a haploid or diploid number of chromosomes?
a)
Haploid
b)
Diploid
53.

Image shows pairing of chromatids called...?

a)

Crossing Over

b)

Segregation

c)

Synapsis

d)

Coupling

54.

Crossing over in organisms is responsible for...?

a)

Dominance of genes

b)

Recombination of genes

c)

Linkage

d)

Segregation of alleles

55.

In pea plants, round seeds (R) are dominant to wrinkled seeds (r). Which of the following represents the genotype of a pea plant that is heterozygous?

a)

RR

b)

round

c)

Rr

d)

wrinkled

e)

rr

56.

In pea plants, round seeds (R) are dominant to wrinkled seeds (r). Which of the following represents the genotype of a pea plant that is homozygous dominant?

a)

RR

b)

round

c)

Rr

d)

wrinkled

e)

rr

57.

In mice, black fur (B) is dominant to white fur (b). According to the Punnett square shown, the offspring in box 4 would:

a)

be white.

b)

be heterozygous.

c)

be gray.

d)

be homozygous.

58.

If black fur is dominant and white fur is recessive, what genotype would an organism with white fur have?

a)

FF

b)

Ff

c)

ff

59.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
60.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
61.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
62.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
63.
Each one of the boxes on the Punnett Square represents what probability of an offsprings' genotype?
a)
25%
b)
1%
c)
10%
d)
0%
64.

What are the possible phenotype(s) of the offspring? (A-Brown hair; a-blond hair)

a)

50 % Brown Hair and 50% Blond Hair

b)

25 % Brown Hair and 75% Blond Hair

c)

75 % Brown Hair and 25% Blond Hair

d)

0% Brown Hair and 100% Blond Hair

65.
Which of the following is homozygous dominant?
a)
Yy
b)
Y
c)
yy
d)
YY
66.
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both 
67.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
68.

Cody crosses a plant producing wrinkled peas with a plant producing smooth peas. Weeks later, he discovers that all the offspring plants have smooth peas. Cody drew the Punnett square above to show the genotypes of the offspring plants. What were the genotypes of the parent plants?

a)

RR and rr

b)

Rr and Rr

c)

RR and Rr

d)

Rr and rr

69.

In a plant species, long stems (L) are dominant to short stems (l). A heterozygous plant is crossed with a homozygous dominant plant. What will be the ratio of genotypes in the offspring?

a)

1:1

b)

2:2

c)

1:3

d)

0:4

70.

In a species of mammals, gray fur (G) is dominant to white fur (g). Two heterozygous mammals are mated together and produce offspring. What fraction of offspring will have gray fur?

a)

1/4

b)

1/2

c)

3/4

d)

2/4

71.

In cats, long hair (H) is dominant to short hair (h). A cat with long hair (Hh) is mated with a cat that also has long hair (Hh). What will be the ratio of long hair to short hair?

a)

1:1

b)

2:2

c)

3:1

d)

1:3

72.

What would be the gametes for the YyRr plant?

a)

YR, YR, yR, yR

b)

YR, Yr, yR, yr

c)

Yy, Rr, YY, RR

d)

yy, rr, yy, rr

73.

What is the genotype that should be in the blank square?

a)

yyRr

b)

YYRR

c)

yyrr

d)

YrYr

74.
What type of inheritance do two alleles have if their traits blend together? 
a)
Incomplete Dominance
b)
Co-Dominance
75.

What percent of the parakeets from this cross look like the first parent in P1?

a)

7

b)

8

c)

9

d)

11

76.

What is the genotype that should be in the blank square?

a)

yyRr

b)

YYRR

c)

yyrr

d)

YrYr

77.

Parent 1 is heterozygous for both pea color and shape. Parent 2 is heterozygous for both pea color and shape.

What should the phenotype be for the box with the "?" ?

a)

Yellow & Smooth

b)

Green & Wrinkled

c)

Green & Smooth

d)

Yellow & Wrinkled

78.

Parent 1 is heterozygous for both pea color and shape. Parent 2 is heterozygous for both pea color and shape.

What should the phenotype be for the box with the "?" ?

a)

Yellow & Smooth

b)

Green & Wrinkled

c)

Green & Smooth

d)

Yellow & Wrinkled

79.
Based off this punnett square, what fraction of the offspring will have wrinkled, yellow seeds?
a)
9/16
b)
3/16
c)
1/16
d)
16/16
80.
A male beetle has the genotype Ttbb. If this beetle mates with a female with genotype TTBb, what is the chance their offspring will have the genotype TtBb?
a)
3/16
b)
4/16
c)
8/16
d)
12/16
81.

Based off this punnett square, what fraction of the offspring will have wrinkled, yellow seeds?

a)

9/16

b)

3/16

c)

1/16

d)

16/16

82.
This is an example of ___________.
a)
 Incomplete Dominance
b)
 Codominance
83.
This type of inheritance pattern is a MIXTURE of both traits.
a)
incomplete dominance
b)
co-dominance
c)
complete dominance
84.
If you cross a black chicken with a white chicken, only checkered chickens would be produced.  What kind of inheritance pattern does this follow?
a)
incomplete Dominance
b)
Co-Dominance
85.

A man that is homozygous for type A blood (IAIA) has children with a woman that is heterozygous for type B blood (IBi). What percentage of offspring will have type A blood?

a)

25%

b)

50%

c)

75%

d)

100%

86.

A man that is homozygous for type A blood (IAIA) has children with a woman that is heterozygous for type B blood (IBi). What fraction of offspring will have type AB blood?

a)

1/8

b)

1/4

c)

1/2

d)

3/4

87.

A woman with type AB blood marries a man with type O blood and they have several children. What fraction of offspring will have type A blood?

a)

1/4

b)

2/4

c)

1/2

d)

3/4

88.

A woman with type AB blood marries a man with type O blood and they have several children. What percentage of offspring will have type AB blood?

a)

0%

b)

25%

c)

50%

d)

75%

89.

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).


Cross a red flower with a speckled flower. What is the phenotypic ratio?

a)

2 red, 2 speckled

b)

2 red, 2 blue

c)

2 blue, 2 speckled

90.

Incomplete dominance occurs in cats, which allows them to be Black, White, or gray as shown on this Punnett square. What percentage of the offspring will be white?

a)

25

b)

50

c)

0

d)

100