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Final Exam Review - Biology

Total questions: 55

Worksheet time: 4hrs 28mins

Name
Class
Date
1.
Heterozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
2.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
3.
AA and Aa always show up as
a)
dominant
b)
recessive
4.

Aa, DD, Bb, yy are all examples of

a)

genotypes

b)

phenotypes

5.
B = brown eyes
b = blue eyes
What is true about these two brothers that have brown eyes?
One has genotype BB the other Bb.
a)
they have same phenotype and genotype
b)
they have different genotypes and phenotypes
c)
they have same phenotype but different genotypes
d)
they have same genotype but different phenotypes
6.

What gender has an X and a Y chromosome?

a)

male

b)

female

c)

neither

7.
Each one of the boxes on the Punnett Square represents what probability of an offsprings' genotype?
a)
25%
b)
1%
c)
10%
d)
0%
8.
Black fur is dominant (B) over white fur (b).  Find the probability of heterozygous offspring using the following genotype of these parents.
Bb + bb
a)
0%
b)
25%
c)
50%
d)
100%
9.
Gregor Mendel developed some basic principles of heredity by
a)
crossing pea plants
b)
breeding fruit flies
c)
cutting off the tails of mice
d)
growing bacteria in a laboratory
10.
What are the nucleotides made of?
a)
Sugar, Phosphate, nitrogen base
b)
Phosphate, Adenine, nitrogen base
c)
Thymine, Adenine, Cytomine
d)
Phosphate, Nitrogen, Adenine
11.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
12.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
13.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
14.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
15.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
16.
In a molecule of double-stranded DNA, the amount of adenine present is always equal to the amount of _________.
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
17.
The backbone of a DNA molecule is made from a ______________ and a _______________ group.
a)
lipid, carbon
b)
sugar, phosphate
c)
nitrogen, oxygen
d)
nitrogen, sulfur
18.

How many chromosomes do humans have?

a)

46

b)

48

c)

23

d)

24

19.
What is a punnett square?
a)
graph used to predict the possible genotypes of offspring in a given cross
b)
a graph used to predict the possible birth rate of offspring.
c)
a graph used to predict the possible behavioral characteristics an offspring could have
d)
None of the above
20.

DNA makes up chromosomes, chromosomes have ________________, ________________ code for proteins, proteins give us our traits.

a)

traits

b)

chromosomes

c)

genes

d)

DNA

21.

What are some advantages of asexual reproduction are: (select all that apply)

a)

it only requires one organism

b)

it takes less energy than sexual reproduction

c)

offspring are already well-adapted for the environment

d)

there is a lot of genetic variety

22.
Which organisms pictured on the diagram have hair?
a)
prosimians only
b)
prosimians and humans
c)
humans only
d)
prosimians and birds
23.
On the diagram, which feature do all organisms inherit?
a)
A
b)
B
c)
C
d)
D
24.

What is the process of change over time?

a)

derived

b)

branching

c)

convergent

d)

evolution

25.

According to the branching tree diagram, which organism does NOT have fur?

a)

reptiles

b)

marsupials

c)

dogs

d)

cats

26.

According to the branching tree diagram, which of the following has specialized shearing teeth?

a)

amphibians

b)

marsupials

c)

dogs

d)

reptiles

27.

According to the branching tree diagram, select ALL organisms that have an amniotic egg.

a)

marsupials

b)

cats

c)

amphibians

d)

reptiles

28.

According to the branching tree diagram, which two organisms are most closely related?

a)

cat and amphibian

b)

cat and marsupial

c)

cat and reptile

d)

cat and dog

29.

Evolution is best defined as:

a)

the process which organisms die.

b)

the process which organisms change over time.

c)

the process which organisms that are extinct become revived.

d)

the process which non-living things fossilize.

30.

What type of evidence is represented in the picture above:

a)

Fossils

b)

Vestigial Structures

c)

DNA

d)

Homologous Structures

31.

What type of evidence is shown in the image above?

a)

Fossils

b)

Vestigial structures

c)

Homologous Structures

d)

DNA

32.

What type of evidence are shown in the picture above?

a)

Fossils

b)

Embryology

c)

Homologous Structures

d)

Vestigial Structures

33.

Adaptations are:

a)

physical or behavioral tendencies.

b)

physical or behavioral characteristics that help an organisms survive and reproduce.

c)

physical or behavioral characteristics that do not help the organism in any way.

d)

genetic mutations that have gone wrong.

34.
What process is being shown in this image?
a)
Variation
b)
Natural Selection
c)
Selective Breeding
d)
Homeostasis
35.
Darwin wrote that organisms with traits that are best suited to the environment will ________________
a)
increase in number
b)
become extinct
36.

Using the chart provided, How many millions of years ago was the "Formation of Earth"?

a)

4600 MYA

b)

4.6 MYP

c)

46 MYA

d)

46.6 MYA

37.

Using the chart provided, During which period was the"Age of Reptiles (Dinosaurs) "?

a)

Jurassic

b)

Quaternary

c)

Mesozoic

d)

Precambrian

38.

Using the chart provided, What happened the same time as simple multi-celled organisms were alive?

a)

First iron deposits

b)

Oldest know rocks

c)

Supercontinent rifted apart

d)

Modern humans were alive

39.

What causes variations in living things? _______ and ______

a)

sexual reproduction, mutations

b)

asexual reproduction, mutations

c)

biological evolution, genetics

d)

biological evolution, genetics

40.
The purpose of selective breeding is to 
a)
Get bigger animals
b)
get smaller animals
c)
create animals with desirable traits
d)
create animals with bad traits
41.
The transfer of a gene from the DNA of one organism into another organism in order to produce an organism with desired traits.
a)
Genetic Engineering
b)
Karyotype
c)
Pedigree
d)
Genome
42.
Selective, deliberate change of genes by man. (Putting genes from one organism into another)
a)
Genetic Engineering
b)
Cloning
c)
Hybridization
d)
Inbreeding
43.
Looking at this pedigree, how many female family members are carriers?
a)
1
b)
3
c)
10
d)
7
44.

Is it possible for individual 19 to be a carrier? Why?

a)

No, because her parents don't have the trait.

b)

No, because she doesn't have the trait.

c)

Yes, because her siblings have it.

d)

Yes, because her parents are carriers.

45.

In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant? (Draw a punnett square on your scrap paper)

a)

0%

b)

25%

c)

50%

d)

75%

46.

A homozygous dominant brown mouse is crossed with a heterozygous brown mouse (tan is the recessive color). (Draw a punnett square on your scrap paper)

a)

100 % tan

b)

100 % brown

c)

50 % brown and 50% tan

d)

75 % brown and 25 % tan

47.
Which series is arranged in order from largest to smallest in size?
a)
chromosome, nucleus, cell, DNA, nucleotide
b)
cell, nucleus, chromosome, DNA, nucleotide
c)
nucleotide, chromosome, cell, DNA, nucleus
d)
cell, nucleotide, nucleus, DNA, chromosome
48.
DNA holds the code for
a)
lipids
b)
carbohydrates
c)
protein
d)
sugar
49.

Name the process in the diagram.

a)

Meiosis

b)

Mitosis

50.

Which of the following describes an event that results from mitosis (the cell cycle) but not meiosis?

a)

Two stages of cell division

b)

Replication of cellular genetic material

c)

Daughter cells that are identical to the parent cell

d)

Four daughter cells that are produced from each parent cell.

51.

Which of the following is not a cell that can go through the cell cycle (mitosis) ?

a)

Heart cell

b)

Toenail

c)

Sperm

d)

Liver cell

52.
The cells produced in meiosis are...
a)
Identical
b)
Unique
53.

Which of the following describes the purpose of the mitosis cell cycle?

a)

To make more genetically different cells.

b)

For growth and repair.

c)

To make proteins

54.

What is the gender of this person?

a)

Male

b)

Female

55.
Are all mutations bad?
a)
Yes
b)
No

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