WorksheetsBiology Final Exam
Total questions: 45
Worksheet time: 23mins
The correct order of phases during mitosis is
anaphase → metaphase → prophase → telophase
prophase → metaphase → anaphase → telophase
prophase → metaphase → telophase → anaphase
prophase → anaphase → metaphase → telophase
In which phase of mitosis do chromosomes form?
They form before mitosis begins.
prophase
metaphase
anaphase
In which phase of mitosis do chromatids separate?
prophase
telophase
anaphase
metaphase
Which statement is the best description of mitosis?
Mitosis is the division of the chromosomes.
Mitosis is the division of the cytoplasm.
Mitosis is the division of the nucleus.
Mitosis is the division of the cell.
Which statement is the best description of cytokinesis?
Cytokinesis is is the division of the chromosomes.
Cytokinesis is the division of the cytoplasm.
Cytokinesis is the division of the nucleus.
Cytokinesis is the division of the cell.
How many chromosomes are in a normal human cell?
23
32
46
64
What type of cell division results in 4 cells with only half the number of chromosomes?
mitosis
cytokinesis
meiosis
crossing-over crossing-over
The random distribution of homologous chromosomes during cell division is known as
crossing-over.
independent assortment.
genetic variation.
meiosis
For questions 9 - 11, use the following information: Purple color (P) is dominant over white color (p), and tall plants (T) are dominant over short (t) plants.
If a PPTT plant is crossed with a pptt plant, what are the potential phenotypes of the offspring?
purple-tall plants and white-short plants
purple-tall plants only
purple-short plants and white-tall plants
white-short plants only white-short plants only
What are the expected genotypes from a PPtt and PPTt cross?
half purple-tall and half purple-short plants
all purple-tall plants
all purple-short plants
all white-tall plants
If a Pp plant is crossed with another Pp plant, what is (are) the expected genotype(s) in the offspring?
100% Pp
25% PP, 50% Pp, 25% pp
50% PP, 50% pp
75% purple, 25% white
Biotechnology can be used to
develop crops that are resistant to insects.
create organisms that are useful to humans.
free innocent people from jail.
all of the above
alleles for a trait that are the different
Homozygous
Heterozygous
Quasizygous
Juxtazygous
The physical/observable characteristic:
phenotype
genotype
Karyotype
Pedigree
The organism's genetic makeup for a trait:
phenotype
genotype
karyotype
pedigree
What genotype is homozygous dominant?
RR
Rr
rr
What genotype is homozygous recessive?
RR
Rr
rr
What genotype is heterozygous?
RR
Rr
rr
A red flower RR is crossed with a white flower WW resulting in offspring that are red flowers with white patches. This is an example of
co-dominance
co-excessiveness
incomplete dominance
incomplete excessiveness
A red flower RR is crossed with a white flower rr resulting in pink flowers. This is an example of
co-dominance
co-excessiveness
incomplete dominance
incomplete excessiveness
What is this?
Pedigree
Karyotype
Venn diagram
Punnett Square
In a pedigree, what shape represents a male?
circle
square
triangle
diamond
How many generations are shown in this pedigree?
1
2
3
4
What does an open circle represent on a pedigree?
Not Affected Male
Not Affected Female
Affected Male
Affected Female
What does a filled in square represent?
Not affected Female
Not affected Male
Affected Male
Affected Female
Determine the sex of the individual whose karyotype is displayed in the image.
female
male
at which numbered pair is this individual's karyotype not normal?
21
4
11
18
What is recombinant DNA?
DNA from 2 different organisms combined
DNA from 2 different ribosomes
In which ways can genetic engineering can improve crops?
Make them pest or drought resistant
Make them more nutritious
Make them larger
All of the above
Making changes in the DNA of an organism is
selective breeding
artificial selection
genetic engineering
genetic transformation
The Cambrian explosion refers to
the eruption of super volcanoes during the Cambrian.
the biggest mass extinction the world had ever seen.
a spectacular burst of new life.
the mass extinction that allowed dinosaurs to flourish. the mass extinction that allowed dinosaurs to flourish.
The Mesozoic Era is known as the
age of dinosaurs.
the era of “old life.”
age of mammals.
none of the above none of the above
During the Cenozoic Era,
mammals took advantage of the extinction of the dinosaurs.
the earliest birds evolved from reptile ancestors.
dinosaurs reached their peak in size and distribution.
the continents continued to move apart.
To put similar organisms into groups
taxonomy
classification
dichotomous key
phylum
tool used to help identify an organism's scientific name
taxonomy
classification
dichotomous key
phylum
two-name system of classification
phylum
classification
taxonomy
binomial nomenclature
Which of the following is the correct order from broadest to smallest?
Kingdom, Class, Order, Family, Genus, Species, Phylum
Species, Genus, Family, Order, Class, Phylum, Kingdom
Kingdom, Phylum, Order, Class, Family, Genus, Species
Kingdom, Phylum, Class, Order, Family, Genus, Species
The main language of scientific names is:
Chinese
English
Latin
Arabic
The scientific name for an organism is made from the:
class and family name
genus and species name
domain and kingdom name
kingdom and phylum name
What trait separates sharks from ray-finned fish?
Vertebrae
Bony skeleton
Four limbs
None
According to the cladogram, which organism is most distantly related to the human?
crayfish
grasshopper
perch
frog
A branching diagram that represents the proposed phylogeny or evolutionary history of a species or group
Cladogram
Cladistics
Phylogeny
Taxonomy
What is the most recently evolved trait?
Amniotic egg
Walking legs
Jaws
Hair
According to this cladogram, primates share a common ancestor with
amphibians
rodents and rabbits
crocodiles
birds
A method that classifies organisms according to the order that they diverged from a common ancestor
Cladogram
Dichotomous Key
Molecular Clock
Cladistics
