WorksheetsMr. Johnson's Final Biology Exam
Total questions: 50
Worksheet time: 25mins
Name
Class
Date
1.
How many protons are in one atom of Lithium (Li)?
a)
3
b)
4
c)
6.941
d)
7
2.
Water molecules form hydrogen bonds with other water molecules to form a water droplet. This is an example of which property of water?
a)
cohesion
b)
adhesion
c)
capillary action
d)
specific heat
3.
The structure in the image below is a carbohydrate. Which of the following is the main function of carbohydrates, such as glucose, in the body?
a)
To provide quick energy
b)
To build body tissues
c)
To store genetic information
d)
To help digest food
4.
The structure in the image below is an amino acid. Amino acids join together to form a protein. Which of the following is the main function of protein in the body?
a)
To provide quick energy
b)
To build body tissues
c)
To store genetic information
d)
To provide insulation when it is cold outside
5.
Study the chart below. Which student correctly identified the characteristics of a prokaryotic cell?
a)
Student 1
b)
Student 2
c)
Student 3
d)
Student 4
6.
Which cells numbered below would be classified as eukaryotic?
a)
1 and 2
b)
2 and 3
c)
2 and 4
d)
3 and 4
7.
Which organelle is present in the cells of a bean plant but absent in the cells of a mouse?
a)
mitochondria
b)
chloroplast
c)
cell membrane
d)
rough endoplasmic reticulum
8.
Algae living in a small lake release a chemical compound that stops the production of proteins in the tadpoles that live in that lake. Which structures in the tadpoles' cells will be directly affected by this compound?
a)
chloroplasts
b)
ribosomes
c)
mitochondria
d)
vacuoles
9.
What is the function of the structure labeled 1 in the diagram below?
a)
It makes proteins.
b)
It controls what enters and exits the cell.
c)
It converts glucose into ATP.
d)
It stores food, water and wastes.
10.
A cell from heart muscle uses lots of energy to pump blood through the body. Which cellular organelle would likely be found in large amounts in heart muscle cells?
a)
lysosomes
b)
mitochondria
c)
chloroplasts
d)
vacuoles
11.
Which row below correctly describes the characteristics of passive transport?
a)
A
b)
B
c)
C
d)
D
12.
What do plants need in order to carry out photosynthesis?
a)
sunlight, water and carbon dioxide
b)
sunlight and oxygen
c)
glucose and oxygen
d)
carbon dioxide and oxygen
13.
In the diagram below, the structures labeled "B" are best described as:
a)
centrioles
b)
homologous chromosomes
c)
sister chromatids
d)
spindle fibers
14.
If a somatic (body) cell with 46 chromosomes undergoes the process of mitosis, both daughters cells will contain ____ _________________.
a)
46 chromosomes
b)
23 chromosomes
c)
92 chromosomes
d)
12 chromosomes
15.
During which phase of mitosis would you observe the two sister chromatids separating and moving toward opposite poles (ends) of the cell?
a)
Prophase
b)
Anaphase
c)
Metaphase
d)
Telophase
16.
After mitosis, the cytoplasm divides to produce two daughter cells. What is the name of this event?
a)
Prophase
b)
Anaphase
c)
Meiosis
d)
Cytokinesis
17.
Which of the following accurately represents the order of phases of mitosis?
a)
Prophase → Anaphase → Metaphase → Telophase
b)
Anaphase → Prophase → Metaphase → Telophase
c)
Metaphase → Telophase → Anaphase → Prophase
d)
Prophase→ Metaphase→ Anaphase → Telophase
18.
During the cell cycle, semi-conservative DNA replication occurs during ___________________, so each new daughter cell will inherit a complete set of chromosomes from the parent cell.
a)
G1 of Interphase
b)
S-phase of Interphase
c)
G2 of Interphase
d)
Mitosis
19.
Which of the following statements best describes the result of uncontrolled cell growth in the body?
a)
It often results in improved cell function.
b)
It typically leads to the formation of a tumor, leading to cancer.
c)
It enhances the body's ability to fight infections.
d)
It usually increases the efficiency of cellular metabolism.
20.
In the double helix model of DNA, the structures labeled 3 and 4 below are best identified as:
a)
nitrogen bases
b)
deoxyribose sugars
c)
phosphate groups
d)
amino acids
21.
In the double helix model of DNA, the entire structure below is best described as a/an:
a)
nucleotide
b)
nitrogen base pair
c)
amino acid group
d)
codon
22.
Which of the following nitrogen bases is only found in RNA?
a)
Adenine
b)
Guanine
c)
Thymine
d)
Uracil
23.
Where in the cell does transcription of DNA to mRNA occur?
a)
ribosomes
b)
cytoplasm
c)
nucleus
d)
Rough ER
24.
The diagram below shows the process of translation occurring at structure "3" below. Where does translation occur in the cell?
a)
nucleus
b)
ribosome
c)
smooth endoplasmic reticulum
d)
chloroplast
25.
Transcribe this sequence of DNA, "AAA TTT CGC", into mRNA:
a)
TTT AAA GCG
b)
TTT UUU GCG
c)
UUU TTT GCG
d)
UUU AAA GCG
26.
Translate the mRNA, "UUU AAA GCG" into amino acids.
a)
Phe - Gly - Arg
b)
Phe - Lys - Ala
c)
Ala - Lys - Phe
d)
Arg - Gly - Phe
27.
Which of the following is a STOP codon?
a)
UGG
b)
UCA
c)
UUA
d)
UAG
28.
Which slide label below contains cells that are produced by meiosis?
a)
A
b)
B
c)
C
d)
D
e)
E
29.
The process below is called crossing-over, and it occurs during the process of meiosis. Why is this process important?
a)
It makes sure that all new cells are identical.
b)
It is a source of genetic variation.
c)
It makes sure that new cells have the same number of chromosomes as the original cell.
d)
It is the process that skin cells use to make new skin cells.
30.
A serious type of mutation has occurred below. What type of mutation is shown?
a)
deletion
b)
duplication
c)
inversion
d)
translocation
31.
Which parts of the following Punnett square would contain the genotype that results in a homozygous recessive genotype?
a)
1 and 2
b)
2 and 3
c)
1 and 3
d)
3 and 4
32.
If all offspring are heterozygous, then which of the following crosses are most likely the parents?
a)
BB x Bb
b)
Bb x Bb
c)
BB x bb
d)
Bb x bb
33.
The chromosomes below show the different forms of a gene. These are referred to as:
a)
zygotes
b)
traits
c)
alleles
d)
phenotypes
34.
Brown eyes are completely dominant over blue eyes. If both parents are heterozygous with brown eyes, then what is the expected phenotypic ratio of their offspring?
a)
All brown eyes: zero blue eyes
b)
3 brown eyes: 1 blue eyes
c)
2 brown eyes: 2 blue eyes
d)
3 blue eyes: 1 brown eyes
35.
Phenotype refers to the ______________________ of an individual.
a)
genetic make up
b)
physical appearance
c)
recessive alleles
d)
hybridization
36.
Rounds seeds (R) are dominant to wrinkled seeds (r). What is the genotype for wrinkled plant?
a)
RR
b)
Rr
c)
rr
37.
Cystic fibrosis is an autosomal recessive (homozygous recessive) disorder. To have cystic fibrosis, an individual would have the genotype ff. If individual 10 in the pedigree below has cystic fibrosis, then what must be the genotypes of her parents if they do not have cystic fibrosis?
a)
FF
b)
Ff
c)
ff
d)
There isn't enough information given.
38.
The image below shows the level of organization that includes both the biotic (living) and abiotic (nonliving) components of the environment. This level of organization can best be described as:
a)
an ecosystem
b)
a species
c)
a community
d)
a population
39.
Which of the following lists the levels of ecological organization in order from least complex to most complex?
a)
Biome, Biosphere, Community, Population, Organism, Ecosystem
b)
Organism, Population, Community, Ecosystem, Biome, Biosphere
c)
Population, Biome, Ecosystem, Community, Biosphere, Organism
d)
Ecosystem, Biosphere, Organism, Biome, Community, Population
40.
Which level of ecological organization is composed of many similar ecosystems?
a)
A biosphere
b)
A population
c)
A biome
d)
A community
41.
What level of ecological organization can be seen here?
a)
Biosphere
b)
Ecosystem
c)
Community
d)
Population
42.
Every food chain or food web must begin with a _______.
a)
Producer
b)
Primary Consumer
c)
Secondary Consumer
d)
Tertiary Consumer
43.
How much energy is transferred from one organism to the next in a food chain?
a)
10%
b)
50%
c)
25%
d)
0%
44.
Energy transfer in Food webs: Study the food web below. Which organism receives the MOST energy directly from the corn?
a)
snake
b)
owl
c)
mouse
d)
fox
45.
Based on the graph below, what is the approximate carrying capacity for this moth population?
a)
325
b)
150
c)
210
d)
75
46.
Which student correctly described density-dependent and density-independent limiting factors?
a)
Student 1
b)
Student 2
c)
Student 3
d)
Student 4
47.
Which trophic level would you find primary consumers (herbivores)?
a)
Level 1
b)
Level 2
c)
Level 3
d)
Level 4
48.
Cattle egrets feed in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle are unaffected. What symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
49.
Which arrow below best represents the process of transpiration?
a)
A
b)
B
c)
C
d)
D
50.
Which process do plants use to remove carbon dioxide from the atmosphere?
a)
cellular respiration
b)
photosynthesis
c)
evaporation
d)
nitrogen fixation
100 %
