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Worksheets2015-16 Semester Two Part 1
Total questions: 75
Worksheet time: 49mins
Name
Class
Date
1.
What is the job of the immune system?
a)
To protect your body from drugs and medicine
b)
To protect your body from air and water
c)
To protect your body from pathogens
d)
To protect your body from itself
2.
Allergic disorders happen when the immune system overreacts when exposed to antigens in the environment.
a)
False
b)
True
3.
What is the largest outer defense of the body?
a)
Stomach Acid
b)
Mucous Membranes
c)
White Blood Cells
d)
Skin
4.
What is the main reason we should be careful not to over-use anitbiotics?
a)
They are very expensive and the money could be used for other things.
b)
We will kill all of the "friendly" bacteria in our guts so we will have to consume lots of yougurt.
c)
Dangerous strains of bacteria may develop by natural selection.
5.
A substance or part of a substance (living or nonliving) that the immune system recognizes as foreign and activates the immune system and reacts with immune cells or their products, such as antibodies.
a)
pathogen
b)
allergen
c)
antigen
d)
antibody
6.
Body temperature that has risen above the normal set point (~37 C or 98.6 F); can indicate an illness. Causes more WBC to be made.
a)
B cell
b)
fever
c)
virus
d)
T cell
7.
These cells are responsible for identifying the "enemy" in an immune response.
a)
Killer-T Cells
b)
B Cells
c)
Helper-T Cells
d)
Antibodies
8.
A disease that is harmful to the body, caused by a pathogen and is contagious is called....
a)
Non-Infectious
b)
Infectious
c)
Abatious
d)
Invasive
9.
What is one way a pathogen can enter the body?
a)
Nose
b)
Mouth
c)
Broken Skin
d)
All of the Above
10.
What function does mucus play in the immune system?
a)
traps foreign particles from entering the body
b)
moistens food
c)
produces WBCs
d)
acts as a lubricant
11.
Where would a disease transmitted by person-to-person contact be most likely to spread quickly?
a)
In a remote region , where contact between people is rare.
b)
In a rural farming community, where neighbors live miles apart.
c)
In a crowded city.
d)
In a medical lab
12.
a protein produced by a b cell of the immune system that destroys a pathogen
a)
B Cell
b)
T Cell
c)
Vaccination
d)
Antibody
13.
Disease-causing microorganism, such as a bacterium or virus.
a)
pathogen
b)
allergen
c)
prion
d)
antigen
14.
A protein molecule released by a B cell that binds to specific antigens.
a)
antigen
b)
antibody
c)
allergy
d)
prion
15.
A nonspecific defensive response of the body to tissue injury characterized by dilation of blood vessels and swelling.
a)
immunity
b)
interferon
c)
immunization
d)
inflammation
16.
HIV binds to specific proteins on _______ cells.
a)
B cells
b)
T cells
c)
Helper T cells
d)
Macrophages
17.
Diseases that take advantage of the body when the immune system is weak are called ___________________.
a)
STD's
b)
AIDS
c)
opportunistic infections
d)
noncommunicable diseases
18.
A person is said to have AIDS when their T-cell count drops below ______.
a)
1000
b)
2000
c)
100
d)
200
19.
Which of the following are behaviors that might put you at risk for acquiring HIV?
a)
sharing contaminated needles
b)
sexual contact
c)
helping a bleeding person at an accident
d)
all are risky behaviors
20.
Abstinence is
a)
avoiding all types of sexual contact
b)
100% safe
c)
the only sure way of not getting a STD
d)
all the choices are correct
21.
Which of the following statements is NOT true of sexually transmitted diseases?
a)
all STD's have visible symptoms
b)
some STD's can cause death
c)
most STD's can be treated
d)
some STD's can not be cured
22.
How can STD's be transmitted?
a)
Vaginal Sex
b)
Oral Sex
c)
Anal Sex
d)
All of the above
23.
HIV attacks which cells?
a)
T cells
b)
B cells
c)
sex cells
d)
red blood cells
24.
What does HIV stand for?
a)
Human Immune Deficiency Syndrom
b)
Human Immunodeficiency Virus
c)
Human Illness Virus
d)
Hope Infection Vanishes
25.
What does the AIDS stand for?
a)
Acquired Infected Disease Syndrome
b)
Acquired Immune Deficiency Syndrome
c)
Attained Immune Deficiency Symptoms
26.
It is important to set sexual boundaries when in a relationship.
a)
True
b)
False
27.
HIV positive means that you have AIDS
a)
True
b)
False
28.
Green plants are
a)
producers
b)
consumers
c)
herbivores
d)
omnivores
29.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
30.
An organism that produces its own food supply from inorganic compounds is called a(an)
a)
heterotroph
b)
consumer
c)
detritivore
d)
autotroph
31.
What is an ecological model of the relationships that form a network of complex interactions among organisms in a community from producers to decomposers?
a)
food web
b)
an ecosystem
c)
food chain
d)
a population
32.
What is the term for each step in the transfer of energy and matter within a biological community?
a)
energy path
b)
food web
c)
trophic level
d)
food pyramid
33.
Autotrophs make up the _______ level in all ecosystems.
a)
First
b)
Second
c)
Third
d)
Fourth
34.
which symbiosis is this
a)
parasitism
b)
mutualism
c)
commensalism
d)
nonalism
35.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
36.
A living relationship between two species in which one organism is harmed is called...
a)
mutualism
b)
commensalism
c)
parasitism
d)
niche
37.
The energy at each trophic level in the pryamid of energy decreases by a factor of ____.
a)
10
b)
1
c)
100
d)
2
38.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms.
d)
How carnivores get their food.
39.
The image provided is an example of a(n):
a)
Carnivore
b)
Herbivore
c)
Producer
d)
Autotroph
40.
The image provided is an example of a(n):
a)
Producer
b)
Autotroph
c)
Consumer
d)
Insect
41.
relationship in which two species live closely together
a)
resource
b)
mutualism
c)
succession
d)
symbiosis
42.
Anything that can decrease the size of a population including living (biotic) and non living (abiotic) features of an ecosystem such as predators and drought.
a)
limiting factor
b)
habitat
c)
ecosystem
d)
carrying capacity
43.
An organism that eat's plants and meat.
a)
herbivore
b)
omnivore
c)
carnivore
d)
detrivore
44.
The nonliving aspects of an ecosystem.
a)
Abiotic factors
b)
Biotic factors
45.
The living portions of the ecosystem.
a)
Biotic factors
b)
Abiotic factors
46.
Water temperature would be an example of ...
a)
A biotic factor
b)
An abiotic factor
47.
A graphic illustration that shows each trophic level and the amount of useable energy contained within.
a)
Food chain
b)
Food web
c)
Energy Pyramid
d)
All of these
48.
What type of growth model is this?
a)
exponential growth model
b)
logistic growth model
c)
Type I curve
d)
Type III curve
49.
the process by which a new community forms where no community lived before
a)
resource
b)
invasive (non- native) species
c)
primary succession
d)
competition
50.
the replacement of one type of community by another at a single place over a period of time
a)
succession
b)
symbiosis
c)
secondary succession
d)
mutualism
51.
Study of interactions between organisms and their environment
a)
niche
b)
community
c)
ecology
d)
ecosystem
52.
Organisms that breaks down and absorbs nutrients from dead organisms
a)
consumer
b)
trophic level
c)
decomposer
d)
species
53.
This is what happens as a population approaches carrying capacity and individual organisms from the population leave and go to a new area where they can find enough resources for survival and reproduction?
a)
Competition
b)
Predation
c)
Emigration
d)
Immigration
54.
Without limiting factors, a population will have what type of growth?
a)
Logarithmic (s curve)
b)
Linear (straight line)
c)
Exponential (j curve)
d)
Quadratic (u shaped curve)
55.
When a population grows past the ecosystem's carrying capacity, what happens to the population?
a)
Continues to grow
b)
The population starts to die off to return to carrying capcity
c)
The population will go extinct due to lack of resources
d)
The population grows then finds a new carrying capacity
56.
If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?
a)
The bird population would stay the same
b)
The bird population would infinitely increase
c)
The bird population would decrease
57.
What letter shape graph would represent a population meeting carrying capacity in an ecosystem?
a)
J
b)
U
c)
S
d)
L
58.
A population of an organism will only grow exponentially if:
a)
The resources are unlimited
b)
They want to
c)
The resources are unlimited
d)
They do not like to compete
59.
If the carrying capacity of a predator decreases, what will happen to the carrying capacity of the prey?
a)
Will Increase
b)
Will Decrease
c)
Will stay the same
d)
Will fluctuate
60.
Which of the following would change the carrying capacity of a forest ecosystem?
a)
Long term climate change
b)
Deforestation
c)
Drought
d)
All of the above
61.
Biotic or abiotic things that control the size of a population
a)
Limiting factor
b)
density- dependent factor
c)
density- independent factot
d)
tolerance
62.
The largest number of individuals in a species that an environment can support long term
a)
carrying capacity
b)
emigration
c)
immigration
d)
population density
63.
Lower biodiversity results in...
a)
A less stable ecosystem
b)
increased ability to adapt to changw
c)
habitat destruction and fragmentation
d)
increased invasive species
64.
During what process is rock slowly transformed into soil?
a)
photosynthesis
b)
nitrogen fixation
c)
primary succession
d)
secondary succession
65.
The replacement of one type of community by another over time is
a)
combustion
b)
respiration
c)
succession
succession
succession
d)
nitrogen fixation
66.
How does secondary succession differ from primary succession?
a)
Secondary succession takes place on bare rocks
b)
secondary succession occurs in an area that has soil
c)
Secondary succession begins with lichens
d)
Secondary succession takes thousands of years
67.
Which of the following statements about cycles of matter are true?
a)
Matter is lost in each cycle.
b)
Human activity has little or no impact on cycles.
c)
Matter moves between the environment and living things.
d)
All three cycles involve evaporation and condensation.
68.
What is the basis of the carbon cycle on Earth?
a)
respiration
b)
photosynthesis
c)
transpiration
d)
condensation
69.
Which substance must be chemically transformed before it can be used by plants?
a)
carbon dioxide gas
b)
water vapor
c)
nitrogen gas
d)
groundwater
70.
The cycles in nature that help support the transfer of energy and matter are
a)
water, hydrogen, and carbon
b)
carbon, nitrogen, and water
c)
carbon, water, and nitrate
d)
hydrogen, oxygen, and carbon
71.
The variety of species that are present in an area is referred to as
a)
biodiversity
b)
succession
c)
biology
d)
transpiration
72.
If one strand of DNA had the sequence ATCCGGTAC, what is the sequence on the other strand
a)
UAGGCCAUG
b)
I don't know
c)
TAGGCCATG
d)
CATGGCCTA
73.
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTACGCAAC. This is an example of ___ mutation.
The mutated DNA segment is TTACGCAAC. This is an example of ___ mutation.
a)
Substitution
b)
Insertion
c)
Inversion
d)
Translocation
74.
Original: ATC CAT
Mutation: ATC GCAT
What mutation occurred?
Mutation: ATC GCAT
What mutation occurred?
a)
deletion
b)
insertion
c)
silent
d)
transverse
75.
What is the purpose of the sequences of Nitrogenous
Bases in DNA?
Bases in DNA?
a)
gives DNA the shape needed
b)
prevents mutations
c)
forms hydrogen bonds
d)
carries instructions for the traits
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