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WorksheetsCommon Formative Assessment Review
Total questions: 52
Worksheet time: 26mins
Name
Class
Date
1.
The diagram shows a picture of a DNA molecule. The DNA molecule can be described as...
a)
a single strand with two nitrogenous bases
b)
being flat like a sheet of paper
c)
having a double helix shape
d)
rod-shaped
2.
In Deoxyribonucleic acid, cytosine pairs with the nitrogenous base...
a)
uracil
b)
adenine
c)
thymine
d)
guanine
3.
The hereditary material that controls all cellular activities is called...
a)
DNA
b)
Cytoplasm
c)
Chloroplast
d)
ATP
4.
What forms the chemical code within a molecule of DNA?
a)
the arrangement of the sugars and bases
b)
the arrangement of the chromosomes
c)
the arrangement of the nucleotide bases
d)
the arrangement of the phosphates and sugars
5.
DNA is sometimes referred to as a ladder. What TWO molecules make up the sides of the DNA ladder?
a)
phosphate and nitrogen bases
b)
phosphate and deoxyribose (sugar)
c)
nitrogen base and ribose (sugar)
d)
phosphate and ribose (sugar)
6.
If the daughter cells are going to have the same genetic information as the original cell, then...
a)
it required genetic engineering
b)
the DNA must replicate
c)
natural selection must occur
d)
the original cell must mutate
7.
In Deoxyribonucleic acid, Adenine pairs with the nitrogen base...
a)
uracil
b)
thymine
c)
cytosine
d)
guanine
8.
The figure contains examples of...
a)
Punnett Squares
b)
the law of Mendelian genetics
c)
chromosomes
d)
phenotypes
9.
Strands of DNA that are twisted together are called...
a)
genotypes
b)
recessive
c)
nitrogen bases
d)
chromosomes
10.
In order to continue life, DNA must...
a)
mate
b)
breed
c)
reproduce
d)
replicate
11.
Different versions of the same gene are called...
a)
alleles
b)
sex cells
c)
nitrogen bases
d)
chromosomes
12.
The small segments of a chromosome that help code for a trait are called...
a)
genotypes
b)
nucleotides
c)
proteins
d)
genes
13.
If free ear lobes (L) are dominant over attached ear lobes (l), what is the phenotype of an individual with a genotype of ll?
a)
One ear lobe attached, one ear lobe free
b)
LL
c)
free ear lobes
d)
attached ear lobes
14.
In rabbits, black fur (B) is dominant over white fur (b). If a hybrid black rabbit mated with a purebred white rabbit, what percentage of the offspring will have black fur?
a)
25%
b)
50%
c)
75%
d)
100%
15.
What traits could represent the phenotype of an organism?
a)
wrinkled, ww
b)
yellow, tall
c)
Rr, RR
d)
Tt, purple
16.
What could represent the genotypes of an organism?
a)
Tall, red
b)
wrinkled, gY
c)
Rr, TT
d)
Tt, green
17.
Which scientists were the first to develop an accurate model of the DNA molecule?
a)
James Watson & Francis Crick
b)
Robert Hooke & Anton van Leeuwenhoek
c)
Rosalind Franklin & Gregor Mendel
d)
Gregor Mendel & Walter Sutton
18.
The Human Genome Project was completed in April of 2003, through the combined efforts of scientists around the globe. What best describes the primary objective of this project?
a)
To map or find the location of all human genes in the human genome
b)
Treat people with genetic diseases
c)
Identify people with genetic diseases
d)
To map or find the location of all chromosomes in the human body
19.
Research shows that genes can successfully be put into potato plants and produce vaccines against cholera and hepatitis B. What is the name for this type of research?
a)
DNA Replicating
b)
Genetic Engineering
c)
Trait Extraction
d)
Chromosome Mutation
20.
Of the choices listed below, where is genetic engineering most often applied?
a)
dish detergents and shampoo
b)
medicine and agriculture
c)
solar panels and electricity
d)
dentistry and computers
21.
The term genetic engineering is best described as...
a)
transferring genes from the genetic material of one organism to the genetic material of another organism
b)
creating new organisms by combining the genes of several different organisms
c)
causing organisms to evolve by changing their nucleotide sequences in the zygote
d)
creating new DNA strands from old DNA strands
22.
A change or mistake in the DNA can cause...
a)
incomplete dominance
b)
a mutation
c)
meisosis
d)
blending
23.
Which would NOT represent an inherited trait?
a)
Dimples
b)
Blue Eyes
c)
Curly Hair
d)
Popping your knuckles
24.
Scientists have genetically engineered certain crops to be resistant to the harmful effects of pesticides. What is one advantage of this modification?
a)
The farmer will not kill his crops when defending them against a pest
b)
The farmer will produce crops that could be potentially harmful to human consumption
c)
The crops could potentially pass this modification onto the pest, which would allow the pest to eat the crops
d)
The crops could have slower growing rates because of their modified genes
25.
What would NOT represent an inherited trait for a plant?
a)
how tall it grows
b)
the type of fruit it produces
c)
the color of its flowers
d)
if it receives enough rain
26.
The physical appearance of an organism is referred to as its...
a)
allele pattern
b)
double helix shape
c)
genotype
d)
phenotype
27.
Which genotype for flower color is hybrid?
a)
rr
b)
RR
c)
RR and rr
d)
Rr
28.
Widow's peak (A) is a dominant trait. Straight hairline (a) is a recessive trait. If parents that are both hybrids (Aa) for the trait have 4 children, how many of the 4 children will express widow's peak?
a)
1
b)
2
c)
3
d)
4
29.
If the tall trait is dominant over the short trait, which would be use to represent the dominant trait?
a)
s
b)
T
c)
a
d)
t
30.
When Mendel worked with pea plants, he noticed that some traits, like round seeds, seemed to hide other traits, like wrinkled seeds. What do we call the trait that hides or masks another trait?
a)
DNA Replication
b)
Incomplete Dominance
c)
A dominant trait
d)
A recessive trait
31.
What is an organism called that has two different genes for a trait? For example: Tt or Rr)
a)
A hybrid
b)
An endangered species
c)
A purebred
d)
A mutation
32.
In a genotype, what does the lower case letter represent?
a)
the recessive trait
b)
the dominant trait
c)
multiple dominance
d)
incomplete dominance
33.
In pea plants, the tall trait is dominant. If a purebred tall plant crosses with a hybrid tall plant, the offspring will be...
a)
all tall plants
b)
mostly short plants
c)
50% tall and 50% short
d)
75% short and 25% tall
34.
Who is often referred to as the Father of Genetics?
a)
Gregor Mendel
b)
Charles Darwin
c)
Anton van Leeuwenhoek
d)
Rosalind Franklin
35.
The chemist who was able to create images of DNA molecules using X-ray diffracation was...
a)
Gregor Mendel
b)
Robert Hooke
c)
James Waston
d)
Rosalind Franklin
36.
What is it called when all of the organisms of a species completely die out?
a)
Fossilzation
b)
Mutations
c)
Extinctions
d)
Adaptations
37.
When organisms are better adapted to their environment they will survive and reproduce more successfully than organisms less adapted. This process is called...
a)
evolution of all species
b)
natural selection
c)
cloning
d)
selective breeding
38.
In guinea pigs, brown fur (B) is dominant over white fur (b). Design a punnett square to demonstrate the possible outcome if a purebred brown guinea pig is crossed with a purebred white guinea pig. What percentage of offspring will have white fur?
a)
25%
b)
100%
c)
50%
d)
0%
39.
Animals living in extremely cold environments usually have special characteristics like thick blubber, thick fur, or other methods of conserving heat. What do these characteristics represent?
a)
variations
b)
selective breeding
c)
adaptations
d)
cellular mistakes
40.
The species Vulpes vulpes, the red fox, will vomit before fleeing from a predator in order to move at a faster pace. This is a...
a)
genetic variation that leads to diversity
b)
mutation that is an inheritable change
c)
reason why species become extinct
d)
behavior that enables a species to survive
41.
Who proposed the theory that evolution happens as a result of natural selection?
a)
James Watson
b)
Matthias Schlieden
c)
Charles Darwin
d)
Robert Hooke
42.
When a DNA sequence is copied, sometimes mistakes occur in the new strand of DNA. What do we call these mistakes?
a)
Adaptations
b)
Transcriptions
c)
Mutations
d)
Chargaff's Rule
43.
Charles Darwin's 5-year voyage around the world allowed him to observe many plants and animals. He noted that many of the animals on the Galapagos Islands were...
a)
identical to the animals on the mainland except their color was always darker
b)
starving to death because of water pollution
c)
similar but not always identical to the animals on the mainland
d)
much smaller and dirtier than all other animals he had observed
44.
Scientists believe that the bone structure of a cat's leg, a human's arm, a whale's flipper, and a bat's wing are biologically similar. These similarities suggest...
a)
these animals were all born at the same time
b)
these animals have the same bone that used to fly
c)
these animals can only survive if they live together
d)
these animals had a common ancestor
45.
The preserved remains or physical evidence of an organism that lived in the past are called...
a)
fossils
b)
evolutionary features
c)
mutations
d)
variations
46.
Sometimes bones in the front limbs of animals are very similar in structure. What do we called similar bone structures that indicate a link to a common ancestor?
a)
absolute dating
b)
homologous structures
c)
gradualism
d)
adaptations
47.
To blend in with surroundings, an animal would most likely be what color in the arctic tundra?
a)
white
b)
green
c)
brown
d)
black
48.
Which could lead to the extinction of many species?
a)
a tornado, which would create an avalanche
b)
a flooded river in Maine, which would cause a summer drought in Virginia
c)
a volcanic eruption, which would lower average rainfall
d)
an ice age, which would lead to global warming
49.
What most likely caused the finches on the Galapagos Islands to have beaks that were different from the finches living on the South American mainland?
a)
there were different types of food available on the island
b)
there were different types of predators living on the island
c)
the finches on the mainland built different types of nests
d)
the finches on the islands had to drink salt water
50.
When looking at two tree frogs of the same species, Thomas noticed one of the frogs was a little darker in color than the other frog. Olivia also noticed that one of the frogs had longer toes than the other frog. These slight differences observed within members of the same species are called...
a)
fossils
b)
replication
c)
cloning
d)
variations
51.
Even though the finch and the sparrow are two different types of bird, they have similar beaks. Which statement best explains why their beaks are similar?
a)
Both birds have the same types of nests
b)
Both birds have the same offspring
c)
Both birds eat the same types of food
d)
Both birds live in the highest point of a tree
52.
The gradual change in a species or population over a period of time is called...
a)
classification
b)
population disturbances
c)
evolution
d)
genetics
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