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WorksheetsSemester Final Review
Total questions: 48
Worksheet time: 24mins
Name
Class
Date
1.
What is the function of a cell wall?
a)
Prevent water from passing through
b)
Prevent oxygen from entering the cell
c)
Perform different functions in each cell
d)
Protect and support the cell
2.
Who first discovered cells?
a)
Robert Hooke
b)
George Washington
c)
Theodor Schwann
d)
Rudolf Virchow
3.
Which analogy is correct?
a)
TT is to heterozygous as Tt is to homozygous
b)
TT is to homozygous as Tt is to heterozygous
c)
TT is to homozygous as Tt is to probability
d)
Td is to heterozygous as TD is to homozygous
4.
What did Gregor Mendel do to study different characteristics in his genetics experiments?
a)
Cross-pollinated both plants and animals
b)
Studied only tall and short pea plants
c)
Studied only asexual plants
d)
Cross-pollinated plants
5.
What example represents sexual reproduction?
a)
An egg being fertilized by a sperm
b)
A sponge regenerating a missing part
c)
A bacterium dividing by binary fission
d)
A hydra budding
6.
Unlike the cell wall, the cell membrane...
a)
protects the nucleus with a rigid layer of cellulose
b)
is found in all cells
c)
produces energy for the cell
d)
is made of chromatin
7.
When a cell membrane surrounds a particle, encloses is in a vesicle and brings the particle into a cell, this is called
a)
Exocytosis
b)
Passive Transport
c)
Facilitated Diffusion
d)
Endocytosis
8.
What is the most complex level of organization?
a)
Organ
b)
Tissue
c)
Organism
d)
Cell
9.
Which of the following traits is influenced by both inheritance and environmental factors?
a)
The ability to sing well
b)
Dyed hair color
c)
Natural hair color
d)
The ability to blink
10.
Factors that control traits are called...
a)
Parents
b)
Recessives
c)
Purebreds
d)
Genes
11.
Which statement correctly describes one main point of the cell theory?
a)
All living things are made of cells
b)
Only plants are composed of cells
c)
Cells can be produced from non living matter
d)
Only animals have cells
12.
What is the basic unit of life?
a)
Cell
b)
Tissue
c)
Organ
d)
Organ System
13.
In Mendel's experiments, what proportion of the plants in the F2 generation had a trait that had been absent in the F1 generation?
a)
Half
b)
None
c)
One Fourth
d)
Three Fourths
14.
What happens during respiration?
a)
Carbohydrates are released into the bloodstream
b)
Oxygen is released into the air
c)
Water and carbon dioxide are converted into energy
d)
Glucose is broken down, releasing energy
15.
If a homozygous black guinea pig (BB) is crossed with homozygous white guinea pig (bb), what is the probability that an offspring will have black fir?
a)
75 percent
b)
100 percent
c)
25 percent
d)
50 percent
16.
Specialized cells are found only in
a)
Single-celled organisms
b)
Animals
c)
Bacteria
d)
Multi-celled organisms
17.
What does a Punnett square show?
a)
Only the recessive alleles in a genetic cross
b)
Only the dominant alleles in a genetic cross
c)
All the possible outcomes of a genetic cross
d)
All of Mendel's discoveries about genetic crosses
18.
What is copied during replication?
a)
The cell's organelles
b)
Two daughter cells
c)
The cell's DNA
d)
Chromosomes
19.
Which shows the correct order of levels or organization in a living organism?
a)
Cells, organism, organ system, tissue, organ
b)
Cells, tissue, organ, organ system, organism
c)
Cells, organ, organ system, tissue, organism
d)
Organ, cells, organism, tissue, organ system
20.
A heterozygous organism has
a)
Two identical alleles for a trait
b)
Three different alleles for a trait
c)
Two different alleles for a trait
d)
Only one allele for a trait
21.
What is the difference between mitosis and meiosis?
a)
Body cells form in meiosis with 46 chromosomes
b)
Sex cells form in meiosis with 23 chromosomes
c)
Body cells form in mitosis with 23 chromosomes
d)
Sex cells form in mitosis with 46 chromosomes
22.
When sex cells combine to produce offspring, each sex cell will contribute
a)
1/4 the number of chromosomes
b)
1/2 the number of chromosomes
c)
Twice the number of chromosomes
d)
The normal number of chromosomes
23.
Scientists call an organism that has two different alleles for a trait a
a)
Hybrid
b)
Purebred
c)
Dominant
d)
Factor
24.
Which term refers to physical characteristics (phenotype) that are studied in genetics?
a)
Hybrids
b)
Generations
c)
Traits
d)
Offspring
25.
What captures energy from sunlight during photosynthesis?
a)
Mitochondria
b)
Chloroplasts
c)
Lysosomes
d)
Vacuoles
26.
What is probability?
a)
The way the results of one event affect the next event
b)
The number of times a coin lands heads up
c)
The actual results from a series of events
d)
A number that describes how likely it is that an event will occur
27.
Under which of the following conditions is lactic-acid fermentation most likely to occur?
a)
Sleeping
b)
A very fast run
c)
Playing video games
d)
A long walk
28.
The different forms of a gene are called
a)
Masks
b)
Traits
c)
Factors
d)
Alleles
29.
Which term refers to reproduction in which only one parent's genetic information is passed on?
a)
Sexual
b)
Pollination
c)
Asexual
d)
Fertilization
30.
Which term refers to the movement of materials through a cell membrane when the cell's energy is required?
a)
Diffusion
b)
Active transport
c)
Passive transport
d)
Osmosis
31.
Which organelle is the control center of a cell?
a)
Chloroplast
b)
Nucleus
c)
Mitochondrion
d)
Ribosome
32.
The exchange of materials between a cell and its environment takes place across the cell
a)
Mitochondria
b)
Golgi Body
c)
Membrane
d)
Nucleus
33.
Unlike Hooke, Leeuwenhoek observed cells that
a)
Had no cell walls
b)
Could only be seen with a compound microscope
c)
Came from plants
d)
Were alive
34.
Which analogy is correct?
a)
Chloroplast is to photosynthesis as mitochondria is to fermentation
b)
Chloroplast is to cellular respiration as mitochondria is go photosynthesis
c)
Mitochondria is to cellular respiration as chloroplast is to photosynthesis
d)
Mitochondria is to cellular respiration as chloroplast is to fermentation
35.
How are photosynthesis and respiration related?
a)
The both produce carbon dioxide
b)
They both have the same equation
c)
They both produce oxygen
d)
They have opposite equations
36.
The regular cycle of growth and division that cells undergo is called
a)
Interphase
b)
Mitosis
c)
Replication
d)
The Cell Cycle
37.
Which term refers to the diffusion of water molecules through a selectively permeable membrane?
a)
Osmosis
b)
Engulfing
c)
Facilitated transport
d)
Active Transport
38.
Which of the following best describes the function of a cell membrane?
a)
To control which substances enter and leave the cell
b)
To perform different functions in each cell
c)
To form a hard outer covering for the cell
d)
To support the cell
39.
Which analogy is correct?
a)
Tissue is to Organ as Organ System is to Organism
b)
Tissue is to Organ as Cell is to Organ System
c)
Tissue is to Organ as Cell is to Organism
d)
Tissue is to Organ as Organism is to Organ System
40.
An organism's genotype is its
a)
Genetic Makeup
b)
Stem Height
c)
Physical Appearance
d)
Feather Color
41.
What type of reproduction involves two parents that each contribute half the genetic material?
a)
Sexual
b)
Asexual
c)
Budding
d)
Regeneration
42.
Which cellular organelle do cells use to convert food into energy?
a)
Nucleus
b)
Mitochondria
c)
Vacuole
d)
Chloroplasts
43.
What forms when a group of different tissues work together to perform a specific job?
a)
Organ System
b)
Organism
c)
Organ
d)
Organelle
44.
What are the products of photosynthesis?
a)
Carbon dioxide and glucose
b)
Carbon dioxide and water
c)
Oxygen and glucose
d)
Oxygen and water
45.
An organism that has two identical alleles for a trait is
a)
Tall
b)
Phenotype
c)
Homozygous
d)
Heterozygous
46.
What does the notation Tt mean to geneticists?
a)
Two recessive alleles
b)
Two dominant alleles
c)
One dominant and one recessive allele
d)
Homozygous alleles
47.
What is the probability of producing a tall pea plant from a genetic cross between two hybrid tall pea plants?
a)
Three in four
b)
One in four
c)
Two in four
d)
Four in four
48.
What does the notation TT mean to geneticists?
a)
One dominant and one recessive allele
b)
Heterozygous alleles
c)
At least one dominant allele
d)
Two dominant alleles
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