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Biology B Exam (22/23)

Total questions: 90

Worksheet time: 2hrs 30mins

Name
Class
Date
1.

Two chromosomes that are paired together (one comes from mom and one from dad) as a set are called what?

a)

centromeres

b)

sister chromatids

c)

homologous chromosomes

d)

daughter cells

2.

Body cells (somatic cells) are __________, meaning they have both sets of homologous chromosomes in them.

a)

haploid

b)

diploid

c)

triploid

d)

tetraploid

3.

Where do you get each of your homologous chromosomes from?

a)

You get both from your biological mother

b)

You get both from your biological father

c)

Your cells make them on their own

d)

You get 1 from your biological mother and 1 from your biological father

4.

Human body cells (somatic cells) have 46 chromosomes in them. How many chromosomes are in the sex cells (gametes) of humans?

(a)  

5.

What is meiosis?

a)

cell division of body cells

b)

cell division of sex cells

c)

autosomal cells

6.

Which of the following is a Homozygous Dominant Genotype?

a)

Yy

b)

XX

c)

zz

7.

In a Punnett Square, 1 box is equal to 25%. How much are 3 boxes equal to?

a)

25%

b)

50%

c)

75%

d)

100%

8.

Fill in the Yellow Box

a)

Bb

b)

BB

c)

bb

9.

What is the mother's genotype?

a)

DD

b)

Dd

c)

dd

10.

This type of inheritance pattern is a MIXTURE of two traits. This is known as ---

a)

incomplete dominance.

b)

codominance

11.

A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?

a)

Incomplete dominance

b)

Codominance

12.

What does this Punnett square and the probabilities of the ofspring represent?

a)

incomplete dominance

b)

codominance

13.
this image is an example of
a)
codominance
b)
dominance
c)
incomplete dominance
14.
In some carnations, flower color exhibits codominance.  Identify the correct genotypes for red, white, and speckled carnations.
a)
Red = RR, white = rr, speckled = Rr
b)
Red = RR, white = WW, speckled = rw
c)
Red = RR, white = ww, Speckled = Rw
d)
Red = RR, white = WW, speckled = RW
15.

How many recessive genes does a carrier female have for colorblindness?

a)

1

b)

2

c)

0

16.
a)

The person with these chromosomes is a boy.

b)

The person with these chromosomes is a girl.

17.

What is the blood type of parent 1?

(a)  

18.

As shown in the Punnet Squares, what is the probability of having a type O child?

(a)  

19.

Which of the following alleles is dominant?

a)

IA is dominant over i

b)

IB is dominant over i

c)

i is the dominant allele

20.

Which of the following alleles are codominant?

a)

IA and i

b)

IB and i

c)

IA and IB

d)

i

21.
What goes in box 3
a)
Aabb
b)
AABB
c)
AAbb
d)
aaBb
22.
Cross Two Homozygous plants
(RRYY x rryy)
R = round seeds, r  = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds? 
a)
0%
b)
25%
c)
50%
d)
100%
23.

Which of the following are phenotypes? Choose ALL that apply

a)

eye color

b)

grey eyes

c)

blonde hair

d)

freckles

e)

skin tone

24.

Which of the following are genotypes? Choose ALL that apply

a)

eye color

b)

grey eyes

c)

blonde hair

d)

freckles

e)

skin tone

25.

What is a karyotype?

a)

An image that shows all of the DNA within an organism

b)

An image that shows the chromosomes from a single cell within a single organism

c)

The entire genetic sequence of humans

26.

How are women represented on a Pedigree?

a)

Triangle

b)

Circle

c)

Square

d)

Octagon

27.

How are men represented on a Pedigree?

a)

Rectangle

b)

Circle

c)

Square

d)

Hexagon

28.

If a circle or square is completely shaded in, that means ________________.

a)

he or she is dominant.

b)

he or she is missing a trait.

c)

he or she is affected.

d)

he or she is a carrier.

29.

If mostly males are affected in the pedigree, the disorder is said to be ________________.

a)

Dominant

b)

Recessive

c)

Autosomal

d)

Sex-linked

30.

If one or neither of the parents have the disorder, but a child has the disorder, the disorder is _______________.

a)

Autosomal

b)

Dominant

c)

Recessive

d)

Heterozygous

31.

If one or both parents have the disorder or the disorder is seen in many generations, the disorder is ________________.

a)

Homozygous

b)

Dominant

c)

Recessive

d)

Sex-linked

32.

A _____________ is a diagram that shows the genotypes and phenotypes of organisms from one generation to the next

a)

Dihybrid cross

b)

Punnett square

c)

Pedigree

d)

Monohybrid cross

33.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
34.

How many males are carriers?

a)

2

b)

3

c)

4

d)

5

35.

How many males are color-blind in this family?

a)

2

b)

3

c)

4

d)

5

36.

The study of changes in organisms caused by modification of gene expression rather than alteration of the genetic code itself

a)

hypogenomics

b)

epigenetics

c)

microgenomics

d)

none of these

37.

What is the passing of traits from parent to offspring?

a)

heredity

b)

genetics

c)

crossing

d)

cloning

38.

What is a designer baby?

a)

Using a body cell from an organism to create a genetically identical offspring

b)

Splitting a fertilized egg to make a genetically identical offspring

c)

A baby that is very fashionable

d)

A baby that has had particular genes selected or altered so that it has desired characteristics

39.

What are the different forms of a gene called?

a)

alleles

b)

chromosomes

c)

DNA

d)

genes

40.

What is an allele that masks other alleles when present?

a)

A recessive allele

b)

A dominant allele

c)

A weak allele

d)

A strong alele

41.

What is an allele that can be masked by another allele?

a)

A recessive allele

b)

A dominant allele

c)

A weak allele

d)

A strong alele

42.

Is a dominant allele represented with an uppercase or lowercase letter?

a)

lowercase

b)

uppercase

43.

Is a recessive allele represented with an uppercase or lowercase letter?

a)

lowercase

b)

uppercase

44.

Purple was dominant over white in pea plants. Which of the following alleles would result in white plants.

a)

PP

b)

Pp

c)

pp

d)

ww

45.

Purple was dominant over white in pea plants. Which of the following alleles would result in purple plants. Choose two.

a)

PP

b)

Pp

c)

pp

d)

WW

46.

Plants get the energy they need for photosynthesis from

a)

water.

b)

soil.

c)

sunlight.

d)

oxygen.

47.

What are the products of photosynthesis?

a)

carbon dioxide and water

b)

glucose and water

c)

glucose and oxygen

d)

carbon dioxide and oxygen

48.

Which gas is removed from the atmosphere during photosynthesis?

a)

water vapor

b)

oxygen

c)

nitrogen

d)

carbon dioxide

49.

Leaf disks in the leaf disk lab floated because

a)

CO2 gas was released into the spaces in the leaf making them lighter

b)

Leaf disks only float when they stop performing photosynthesis

c)

O2 gas was released into the spaces in the leaf making them more buoyant and causing them to float

d)

Glucose is stored in the spaces in the leaf, making them float

50.

What structure is shown in the picture?

(a)  

51.
The main goal of the Human Genome Project (HGP) was to:
a)
Identify the unique parts of each person's DNA.
b)
Identify genes responsible for human diseases.
c)
Identify genes responsible for human behavior.
d)
Determine the entire sequence of human DNA.
52.
What is DNA sequencing?
a)
The total of genes carried by an individual or cell
b)
Coding genes in order to identify single nucleotide polymorphisms
c)
Deciphering the functions of various parts of the human genome
d)
The process of identifying the order of the bases in DNA
53.

GMO stands for

a)

genetically made organism

b)

genetically modified organism

c)

gene manipulated organism

d)

Genetic mutant organism

54.

What is a good argument for genetically modifying animals?

a)

Produce more meat

b)

Figure out how to make Spiderman

c)

Modifying your kids to make them more awesome

d)

New genes are needed to create new species

55.

GMOs can be

a)

plants only

b)

animals only

c)

plant, animal, and bacteria

d)

plant and animal only

56.

Darwin studied....

Select all that apply

a)

finch beaks

b)

variations in species

c)

fossils on the Galapagos Islands

d)

all of the above

57.

The following evidence supports the theory of evolution: Check all that apply.

a)

similar body structures in organisms

b)

Similar DNA in organisms

c)

population trends

d)

ancient fossils revealing adaptations of organisms

e)

natural selection

58.
Humans, birds, whales, and lizards all have similar arm bones. What is the reason for this?
a)
The function of these bones is the same in all animals
b)
They live in similar environments
c)
They have a common ancestor
d)
All organisms resemble humans
59.
Bird wings and butterfly wings are an example of
a)
Homologous structure
b)
Analogous structure
c)
Mimicry
d)
Camoflague
60.

Evolved from the same ancestor, but have different functions

a)

Homologous structures

b)

Analogous structures

c)

Vestigial structures

d)

All of the above

61.

Evolved from different ancestors, but due to living in similar environments have a similar function.

a)

Homologous structures

b)

Analogous structures

c)

Vestigial structures

d)

All of the above

62.

Binomial nomenclature means

a)

Latin naming system

b)

Two name naming system

c)

Special names naming system

63.

What organisms have a scientific name?

a)

Animals

b)

Eukaryotes

c)

All living things

d)

Animals and plants

64.
The diagram shows an example of what kind of organism
a)
Autotroph
b)
Heterotroph
c)
Decomposer
d)
Herbivore
65.
The diagram shows an example of what kind of organism
a)
Autotroph
b)
Heterotroph
c)
Decomposer
d)
Herbivore
66.
The animals in this image are examples of _________________________ .
a)
Autotrophs
b)
Herbivores
c)
Producers
d)
Heterotrophs
67.
Which animal is a tertiary consumer?
a)
Jackal
b)
Wild Cat
c)
Lion
d)
Owl
68.
The largest part of an ecosystem is always the ________________.
a)
Primary Consumers
b)
Primary Producers
c)
Quarternary Consumers
d)
Secondary Consumers
69.
The smallest part of the ecosystem is always the ____________.
a)
Primary Producers
b)
Secondary Consumers
c)
Primary Consumers
d)
Tertiary Consumers
70.

This graphic diagrams a _______________________.

a)

Food Web

b)

Food Chain

c)

Food Pyramid

d)

Food Buffet

71.

Below is a list of factors in an ecosystem. Select all the abiotic factors.

a)

Shelter

b)

Water

c)

Protists

d)

Sunlight

e)

Prokaryotes

72.

Which of the following scenario best describes an ecosystem?

a)

A pack of wolves that live in the same area

b)

A single protist

c)

Rabbits hopping around trees burrowing through soil

d)

Birds, mice, and trees inhabiting the same area

73.

What ecological relationship is depicted between Pumba (warthog) and the bugs?

a)

Competition, because pumba is in competition with the bugs for food sources

b)

Mutualistic, because Pumba and the bugs benefit each other

c)

Predator-Prey, because Pumba is a predator that consumes bug as prey

74.

Remoras are small fish that attach to larger marine animals such as sharks. Leftover food from the shark's prey nourishes the remora fish. The shark remains largely unaffected. The ecological relationship between the whale and remora fish is known as -

a)

Commensalism

b)

Mutualism

c)

Predator-Prey

d)

Parasitism

75.

The flock of white seagulls that are fighting over a single food source (Nemo & Dory) depicts which ecological relatioship?

a)

Intraspecies Competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

76.

Read the following scenario and determine which ecological relationship is depicted -


Mistle toe plants are common house decorations around the holidays. Mistle toes are plants that attach themselves to hosts such as a tree. Once attached, the mistletoes begin to tap into the vascular system of trees and draws out vital nutrients and water from the host tree. The host tree is harmed over time and may result in stunted growth.

a)

Predator-Prey

b)

Parasitism

c)

Commensalism

d)

Mutualism

77.

The pearlfish receives protection from predators by living inside a sea cucumber. The sea cucumber is not affected during this interaction. This ecological relationship is known as -

a)

predator-prey because the pearlfish is prey to the sea cucumber

b)

mutualism because only the pearlfish benefits in this ecological relationship

c)

parasitism because the pearlfish causes harm to the host sea cucumber

d)

commensalism because only the pearlfish benefits while the sea cucumber is not affected

e)

competition because the sea cucumber and pearlfish often fight for living space

78.
What do you call all of the genes in a population?
a)
Gene pool
b)
Relative Frequency
c)
Genetic Drift
d)
Allele pool
79.
A few deer wander out of their native woods into a completely new park where no deer had ever been before. They go on to create an entirely new population.
a)
Genetic Drift
b)
Natural Selection
c)
Non-random mating
d)
Mutation
80.
The Hardy-Weinberg Model is...
a)
available at local hobby stores and retailers throughout the Greater Tazewell area.
b)
a mathematical tool that biologists can use to predict allele frequencies and determine whether or not evolution is occurring within a population.
c)
always occurring within individual organisms in nature.
d)
only useful in the lab and cannot be practically applied to real-world populations of organisms.  
81.

Mollusks include which of the following?

a)

Octopus, Squid, Clams, Snails

b)

Fish, Squid, Jellyfish, Sea cucumbers

c)

Earthworms, Sea cucumbers, sea urchins

d)

Birds, Fish, Whales, Sponges

82.

Which of the following are examples of echinoderms?

a)

Jellyfish, Hydrozoa, Squid

b)

Slugs, Snails, Mussels

c)

Sea stars, sea urchins, sea cucumbers

d)

spiders, crabs, crayfish

83.

Which animal phylum contains the following: Squirrel, dolphin, shark

a)

Echinodermata

b)

Chordata

c)

Cnidaria

d)

Porifera

84.

Which animal phylum contains: Jellyfish, corals, & anemones?

a)

Cnidaria

b)

Porifera

c)

Chordata

d)

Echinodermata

85.

Most diverse and numerous INVERTEBRATE phylum?

a)

Arthropoda

b)

Nematoda

c)

Chordata

d)

Porifera

86.

Which animal phylum has no specialized tissues (most simple animal)?

a)

Porifera

b)

Chordata

c)

Annelida

d)

Mollusca

87.

This phylum is made of segmented worms

a)

Annelida

b)

Mollusca

c)

Arthropoda

d)

Chordata

88.

Select all of the following characteristics that apply to mammals: (select 3 choices)

a)

Give live birth

b)

Produce milk for young

c)

Skin is covered in hair or fur

d)

Have feathers

89.
What type of symmetry is pictured?
a)
bilateral symmetry
b)
radial symmetry
c)
asymmetry
d)
cellular respiration
90.
What type of symmetry is displayed in the picture?
a)
asymmetry
b)
bilateral symmetry
c)
radial symmetry
d)
photosynthesis

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