wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Term 3/4 Final Review

Total questions: 65

Worksheet time: 39mins

Name
Class
Date
1.
Where the better adapted organisms survive to pass traits along to offspring.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
2.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they come from dominant alleles.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
3.
Why is the mouse population changing over time?
a)
The light mice can reproduce more successfully than the dark mice
b)
The hawks eat more dark mice than light mice because the dark mice taste better
c)
The hawks eat more light mice than dark mice because they can see the light mice more easily
d)
The hawks eat more dark mice than light mice because they can see the dark mice more easily
4.
Definition: adaptation
a)
inherited characteristic that increases chances of survival
b)
organisms with traits well suited to their environment survive and reproduce at a greater rate
c)
a growing population causes a scarcity of resources
d)
differences in the DNA sequence
5.
Definition: fitness
a)
ability to survive and reproduce in a specific environment
b)
organisms with traits well suited to their environment survive and reproduce at a greater rate
c)
a growing population causes a scarcity of resources
d)
differences in the DNA sequence
6.

What do we call a change in a species over time?

a)

Adaptation

b)

Evolution

c)

Extinction

d)

Environmental influences

7.
Genetic differences between organisms of the same species
a)
Variation
b)
Adaptation
c)
Behavior
d)
Environment
8.

Male long-tailed widow birds have elaborate tail displays. This is an example of:

a)

Sexual selection

b)

Male Competition

c)

Natural Selection

d)

Artificial Selection

9.

A _______________ is any sex cell. (egg or sperm)

a)

zygote

b)

chromosome

c)

gamete

d)

gene

e)

Homologous chromosome

10.

What process is being shown in the part of the diagram labeled B?

a)

cellular respiration

b)

photosynthesis

c)

sexual selection

d)

fertilization

e)

meiosis

11.

A __________________ is a fertilized egg (a cell that is formed when an egg and a sperm combine).

a)

zygote

b)

chromosome

c)

gamete

d)

gene

e)

Homologous chromosome

12.

Each parent gives one chromosome from each pair of their homologous chromosomes. Which one given is _____________.

a)

always the same

b)

random

c)

mysterious

13.

Chromosomes that look the same and have genes for the same traits, but not necessarily the same versions of the genes are called ____.

a)

Homologous chromosomes

b)

alleles

c)

genes

d)

gametes

14.

A cell/organism consisting of two sets of chromosomes: usually, one set from the mother and another set from the father. This is also known as 2n.

a)

haploid

b)

diploid

c)

ferilization

d)

Meiosis

e)

crossing over

15.

If this were a human cell how many chromosomes would be in the cells of the diagram labeled B?

a)

13

b)

23

c)

46

d)

80

e)

92

16.

Different versions of genes for the same trait

a)

sperm

b)

egg

c)

allele

d)

gene

e)

haploid

17.

What is this diagram showing?

a)

meiosis

b)

fertilization

c)

cellular respiration

d)

crossing over

18.

Mom always gives an X chromosome. Dad gives __________ (random chance).

a)

an X or a Y chromosome

b)

two Y chromosomes

c)

two X chromosomes

d)

only a Y chromosome

19.

Each parent gives _______ of their chromosomes to their offspring.

a)

100 (ALL)

b)

50% (HALF)

c)

25%

d)

75%

e)

0% (NONE)

20.

What process is being shown in the part of the diagram labeled A?

a)

cellular respiration

b)

photosynthesis

c)

sexual selection

d)

fertilization

e)

meiosis

21.

The typical human body cell contains 46 chromosomes. How many chromosomes are found in a human sex cell?

a)

13

b)

23

c)

46

d)

92

22.

Chromosomes do not move intact when homologous pairs separate, they exchange small pieces of DNA first. This event that occurs in Meiosis leads to more variation in organisms. What is the name for this event.

a)

Meiosis

b)

crossing over

c)

random assortment

d)

independent assortment

e)

fertilization

23.

a nucleic acid that is generally single stranded, contains the sugar ribose, and is used in the process of making proteins.

a)

RNA

b)

DNA

c)

Protein

d)

nucleic acids

e)

chromosome

24.

The basic building block of nucleic acids, such as DNA and RNA. It is an organic compound made up of nitrogenous base, a sugar, and a phosphate group.

a)

RNA

b)

DNA

c)

Protein

d)

nucleotide

e)

chromosome

25.

Which bases pair together in DNA?

a)

A to T and G to C

b)

A to U and G to C

c)

A to G and T to C

d)

A to C and T to G

26.

Which bases pair together in RNA?

a)

A to T and G to C

b)

A to U and G to C

c)

A to G and T to C

d)

A to C and T to G

27.

Process in which chromosomal DNA is copied before mitosis or meiosis

a)

DNA Replication

b)

RNA Replication

c)

transcription

d)

translation

e)

Meiosis

28.

If 20% of the nitrogen base molecules in a DNA sample are guanine, what will the percentage of cytosine molecules be?

a)

20%

b)

30%

c)

40%

d)

60%

29.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
30.
What is the difference between the sugars found in DNA and RNA?
a)
RNA contains glucose
b)
RNA contains sucrose
c)
RNA contains deoxyribose
d)
RNA contains Ribose
31.

What is the complimentary base of adenine in DNA?

a)

thymine

b)

cytosine

c)

guanine

d)

uracil

32.

A DNA strand undergoing replication contains the bases TACGTT. Which complimentary strand does it produce?

a)

AUCGAA

b)

ATGCAA

c)

ATCGAA

d)

AUCGTT

33.
Why does DNA replicate?
a)
To create another copy for the new cell
b)
To create a duplicate copy in case the original gets damaged
c)
To create a new copy to replace the damaged original
34.

What does tRNA bring to the ribosome during translation?

a)

RNA

b)

DNA

c)

Protein

d)

Amino acid

e)

chromosome

35.

The basic building block of nucleic acids, such as DNA and RNA. It is an organic compound made up of nitrogenous base, a sugar, and a phosphate group.

a)

RNA

b)

DNA

c)

Protein

d)

nucleotide

e)

chromosome

36.

The mRNA codon AUU would code for……

a)

ile

b)

Met

c)

Thr

d)

Ala

e)

Pro

37.

The mRNA codon UAA would code for……

a)

Stop codon

b)

Tyr

c)

Cys

d)

Ser

e)

His

38.

each 3-letter sequence in a DNA molecule codes for one of the 20 amino acids

a)

codon

b)

anticodon

c)

mRNA

d)

tRNA

e)

nucleus

39.

The building blocks of all proteins, there are 20 different types

a)

RNA

b)

DNA

c)

Protein

d)

Amino acid

e)

chromosome

40.

The process by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA).

a)

DNA Replication

b)

RNA Replication

c)

transcription

d)

translation

e)

Meiosis

41.

Occurs when a DNA gene is damaged or changed in such a way as to alter the genetic message carried by that gene.

a)

mutation

b)

mutagen

c)

transcription

d)

translation

e)

Meiosis

42.

The science of altering and cloning genes to produce a new trait in an organism or to make a new protein.

a)

mutation

b)

mutagen

c)

transcription

d)

translation

e)

genetic engineering

43.
What is the purpose of mRNA?
a)

To copy information from DNA and bring it to the ribosome.

b)

To carry amino acids into the ribosome.

c)
The material ribosomes are made of. 
44.
What is process #1 and where is it located?
a)
transcription, nucleus
b)
translation, nucleus
c)
transcription, ribosomes
d)
translation, ribosomes
45.
What process is #2 and where is it located?
a)
transcription, nucleus
b)
translation, nucleus
c)
transcription, ribosomes
d)
translation, ribosomes
46.
Sections of DNA that code for proteins are called...
a)
bases
b)
genes
c)
sections
d)
rRNA
47.
Codons are found on...
a)
mRNA
b)
tRNA
c)
rRNA
d)
DNA
48.
Fill in the blank: DNA → ________ → Proteins
a)
mRNA
b)
rRNA
c)
mDNA
d)
Amino Acids
49.

What is a chromosome?

a)

Tightly coiled DNA

b)

A small section of DNA

c)

A long chain of amino acids

d)

A short chain of amino acids

50.

Each box in a punnett square represents a __________% chance that an offspring will inherit that genotype.

a)

10

b)

100

c)

50

d)

25

51.

If Y is the allele for yellow, what are the odds that the offspring will be yellow?

a)

50%

b)

25%

c)

100%

d)

75%

52.

What are the parents' genotypes?

a)

green and yellow

b)

YY & yy

c)

Yy & yy

d)

YY & Yy

53.

Select the homozygous dominant genotype.

a)

AA

b)

Aa

c)

aa

d)

All of these

54.
----is the type of gene that always shows itself when present
a)
genotype
b)
homozygous
c)
phenotype
d)
dominant
55.
The genetic makeup (allele combination) of an organism is called the:
a)
phenotype
b)
genotype
c)
probability
d)
heterozygous
56.
------is the combination of two alleles that are different from one another.
a)
homozygous
b)
heterzygous
c)
phenotype
d)
trait
57.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a female who is a carrier for hemophilia?
a)
XHXh
b)
XhXh
c)
XHXH
d)
XhY
58.
A roan cow shows co-dominance in fur color (orange and white). What is the phenotype ratio expected if a roan cow and a roan steer mate together?
a)
4: Orange and White
b)
1: Orange : 1 White
c)
2 Orange: 2 Orange and White: 0 White
d)
1: Orange: 2 Orange and White: 1 White
59.
A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance.  What percentage of the offspring will have pink (RW) flowers?
a)
0%
b)
25%
c)
50%
d)
100%
60.

In fruit flies, eye color is a sex linked trait. Red (R) is dominant to white (r). What is the sex and eye color of flies with the following genotype: X R Y ?

a)

male with white eyes

b)

female with white eyes

c)

male with red eyes

d)

female with red eyes

61.

What are the genotypes of these flies:


white eyed, male ?

a)

X R X r

b)

X R X R

c)

Xr X r

d)

X r Y

e)

XR Y

62.
What pattern of inheritance is shown in this image?
a)
Codominance
b)
Incomplete dominance
c)
Polygenic traits
63.
If a gene is found only on the X chromosome and not the Y chromosome, it is said to be 
a)
sex-linked trait
b)
polygenic trait
c)
codominant trait
d)
incomplete dominance trait
64.

The woman who is colorblind marries a man with normal vision. What is the probability that their sons will be colorblind?

a)

0%

b)

25%

c)

50%

d)

100%

65.
If one parent is heterozygous for type A blood and the other parent is homozygous for type B blood, what is the probability they could have a child with type B blood?
a)
0%
b)
25%
c)
50%
d)
100%

Similar Resources on Wayground

AIR TEST REVIEW PART 2

70 questions

AIR TEST REVIEW PART 2

quiz

Worksheet

•

9th Grade

Chapter 2 Review and Vocab (Chemistry of Life)

62 questions

Chapter 2 Review and Vocab (Chemistry of Life)

quiz

Worksheet

•

9th Grade

Final Exam Review

65 questions

Final Exam Review

quiz

Worksheet

•

9th - 12th Grade

famous people

66 questions

famous people

quiz

Worksheet

•

KG - University

Human Impacts on the Environment

67 questions

Human Impacts on the Environment

quiz

Worksheet

•

9th - 11th Grade

2023 EOC Review

65 questions

2023 EOC Review

quiz

Worksheet

•

9th - 11th Grade

New Life

68 questions

New Life

quiz

Worksheet

•

6th Grade - University

Lab Safety Quiz

60 questions

Lab Safety Quiz

quiz

Worksheet

•

9th - 12th Grade