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Grade 11 Biology Exam Review
Grade 11 Biology Exam Review
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SBI 3U Exam Review
Flashcards
40 cards
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Practice quiz
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Host live
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Questions
40
Answers
1
Which is an example of analogous structures?
wing of a bat and wing of a butterfly
The front leg of a dog and flipper of a dolphin
The arm of a human and wing of a bat
front leg of a mole and arm of a human
2
Molluscs are vertebrate animals.
True
False
3
All bacteria are harmful
False
True
4
The individual represented by the karyotype below
is a chromosomal female
has trisomy 21
is a chromosomal male with no obvious chromosomal abnormalities
is a chromosomal male with no recessive genes
5
Is this meiosis or mitosis?
Mitosis
Meiosis
6
A red cow crossed with a white bull produces a calf that has red and white spots. This is:
co-dominance
incomplete dominance
sex-linked
complete dominance
7
Which of the following provides evidence for evolution?
Molecular Biology
The fossil record
All of the above
Vestigial structures
8
In this Punnett Square, what percentage of offspring are heterozygous?
75%
50%
100%
25%
9
The platypus is a monotreme, meaning it is a mammal that does what?
Swims
Has fur
Lays eggs
Speaks
10
The five fingers of evolution include
Genetic drift (small populations), Non-random mating, Mutations
Non-random mating, Adaptations, Gene flow
Random mating, Mutation, Fossil record
Founder effect, Random mating, Natural selection
11
According to this phylogenetic tree, which organism is most closely related to a pig?
Camel
Cow
Hippo
Peccary
12
Which organ is incorrectly matched with its function?
Pancreas: secretes bile
Stomach: mechanical and chemical digestion
Rectum: stores waste
Small intestine: absorption of nutrients
13
Biological Fitness is...
adapt to environmental conditions
contribute to the gene pool of the next generation
acquire new characteristics
live to reproductive age
14
Which animal has bilateral symmetry?
crab
dragon fly
all of them
antelope
15
Which of the following organisms would have eukaryotic cells?
None of these
Bacteria
Archaea
Protist
16
What is true of blood vessels?
Veins carry blood away from the heart
The walls of veins are thick, muscular and elastic
Arteries contain valves
Capillaries are the site of diffusion of gases and nutrients
17
Female fireflies identify males of their own species by the pattern of flashes. This is:
gametic isolation
temporal isolation
behavioural isolation
habitat isolation
18
Genetic variation arises from:
independent assortment
crossing over
mutation
all of these
19
Which of the following organisms do NOT perform photosynthesis?
Green Algae
Plants
Plant-like protists
Fungi
20
Fossil evidence indicates that horses have increased in size over geologic time. This is:
sexual selection
disruptive selection
stabilizing selection
directional selection
21
Which of the following taxonomic levels is most specific?
Order
Class
Kingdom
Domain
22
Food entering the stomach is called
A bolus
none of these
Food
chyme
23
A cell contains chloroplasts, a cell wall made of cellulose and a nucleus. This is most likely:
an animal cell
a bacteria cell
a protist cell
a plant cell
24
This kingdom includes the "extremes" Thermophiles, Acidophiles, Halophiles
Archaea
Protista
Animalia
Plantae
25
What phase is this?
Prophase of mitosis
Telophase of mitosis
Prophase I of meiosis
Anaphase of mitosis
26
Dogs have toes on each front limb that serve no useful function. This is an example of:
divergent evolution
analogous structures
vestigial structures
homologous structures
27
Which of the following are characteristics of fungi?
only reproduce sexually, autotrophic, no cell walls
heterotrophic, cell walls made of chitin, made of hyphae
autotrophic, made of hyphae, all multicellular
heterotrophic, reproduce through seeds, unicellular
28
The trait shown in this pedigree is most likely:
Dominant
Y-linked
Recessive
None of these
29
Meiosis results in:
Genetic Variation
2 daughter cells
2 identical daughter cells
4 unique diploid cells
30
What happens during inhalation?
The diaphragm moves up
The diaphragm relaxes
The volume inside the lungs increases
The volume inside the lungs decreases
31
Where does chemical digestion of proteins begin?
Stomach
Mouth
Small intestine
Large intestine
32
A person with type O blood and a person with type B blood have a child. Their child has type O blood. This means:
The type O partner is heterozygous
The type B partner is homozygous
The type B partner is heterozygous
Someone had an affair!!!!!!!!
33
Two healthy parents have a child with Tay-Sachs disease (a recessive disorder). They are:
both Aa
Aa and aa
both AA
both aa
34
A patient has a diagnosis of hypertension. Which of the following describes hypertension?
Low blood glucose
High heart rate
Low blood oxygen
High blood pressure
35
What is the correct pathway of air into the lungs?
Nostril, bronchiole, trachea, bronchus
Trachea, pharynx, bronchus, bronchiole, alveoli
Nostril, pharynx, trachea, bronchus, bronchiole, alveoli
Nostril, trachea, alveoli, bronchus
36
Which of the following is an example of mimicry?
dark moths blend into the darker trees better
A chameleon changes colour to blend in to its environment
A harmless snake looks like a venomous one
a toxic chemical secreted by a stinging nettle plant
37
Organ transplantation is limited by available organ donors
False
True
38
Which is the correct order of the flow of blood through the heart?
vena cava--> right atrium--> right ventricle
vena cava--> left atrium--> left ventricle
aorta--> right atrium--> right ventricle
aorta--> left atrium--> left ventricle
39
A couple with normal vision have a colour-blind son. If colour blindness is X-linked recessive:
the XY parent was colour blind
the XY parent was a carrier for colour blindness
the XX parent was a carrier for colour blindness
the XX parent was colour blind
40
What is the purpose of the nasal cavity?
Nutrient absorption
To warm, filter and moisten air
Gas exchange
To digest starch
