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WorksheetsVCE Biology - Unit 3 AOS 2 Revision
Total questions: 59
Worksheet time: 36mins
Name
Class
Date
1.
Every organ system plays a role in homeostasis, but the ________________ and __________ act as the communication of all the systems.
a)
reproduction and endocrine
b)
excretory and nervous
c)
lymphatic and circulatory
d)
endocrine and nervous
2.
What is an effector?
a)
A tiny gap where two neurons meet
b)
Specialized cells that detect changes in the environment and turn them into electrical impulses
c)
Cells that carry information as tiny electrical signals
d)
An effector is any part of the body that produces a response.
3.
The junction between 2 neurons is called the
a)
dendrite
b)
axon
c)
node of Ranvier
d)
synapse
4.
What is a neurotransmitter?
a)
fatty covering of the axon
b)
nerve cell
c)
chemical messenger
d)
gap between neurons
5.
If a neuron responds at all, it responds completely. This is known as the
a)
threshold
b)
all-or-none response
c)
neuronal pool
d)
withdrawal reflex
6.
What is the name of the chemical signal used by some insects to attract a mate?
a)
Hormone
b)
Pheromone
c)
Neuron
d)
Plant growth regulator
7.
Plants that grow towards the sunlight is known as
a)
geotropism
b)
thermotropism
c)
phototropism
d)
thigmotropism
8.
The plant roots grow towards gravity is known as
a)
phototropism
b)
geotropism
c)
thigmotropism
d)
thermotropism
9.
Auxins are which of the following?
a)
contained in an animal cell
b)
plant hormone responsible for the growth of the plant cell
c)
plant hormone responsible for the ripening of fruit
d)
scientific term for growth hormone in our body
10.
Auxin is a growth hormone in plants that are found/made in...
a)
the tips of the plant shoots and roots
b)
the middle of the plant
c)
the leaves
d)
the seeds
11.
Causes fruits to ripen
a)
Ethylene
b)
Auxin
c)
Gibberellin
d)
Cytokinin
12.
The endocrine system helps to maintain a stable environment in a process known as ___.
a)
peristalsis
b)
homeostasis
c)
metabolism
d)
respiration
13.
Peptide hormones
a)
Cannot cross a cell membrane
b)
Can cross a cell membrane
c)
Are hydrophobic
d)
Are lipophilic
14.
apoptosis is:
a)
programmed (regulated) cell death
b)
part of mitosis
c)
part of meiosis
d)
spontaneous cell death
15.
An intrinsic signal for apoptosis includes
a)
signal from outside the cell to mitochondria
b)
signal within the cell to mitochondria
c)
signal within the cell to the nucleus
d)
signal from outside the cell to nucleus
16.
An extrinsic signal of apoptosis includes the use of
a)
mitochondria
b)
lysosomes
c)
death receptors
d)
ribosomes
17.
What enzyme breaks down DNA and other cellular contents in apoptosis?
a)
caspases
b)
ligase
c)
pepsin
d)
cytokines
18.
What type of cells are MHCII markers found on?
a)
All body cells
b)
Just red blood cells
c)
Antigen presenting cells
d)
All cells with a nucleus
19.
What type of cells are MHCI markers found on?
a)
All body cells
b)
Just red blood cells
c)
Antigen presenting cells
d)
All cells with a nucleus
20.
Which of the following is a cellular pathogen?
a)
Hepatitis A Virus
b)
Prions
c)
Ebola Virus
d)
Helicobacter pylori
21.
A physical barrier of plants to invading pathogens is:
a)
Intact skin
b)
Production of chemicals
c)
Cuticle and epidermal cells
d)
Production of oils
22.
A chemical barrier of a plant to an indvading pathogen is
a)
B and T cells
b)
Secretion of gum around infected areas of stone fruit trees
c)
cuticle and epidermal cells
d)
acidity of stomach
23.
A chemical barrier of animals (including humans) to an invading pathogen is:
a)
acidity of stomach
b)
Natural bacteria growing on skin take up space so pathogens do not grow there
c)
intact skin
d)
cilia
24.
A physical barrier of animals (including humans) to an invading pathogen is:
a)
Mucous membrane
b)
Acid in stomach
c)
Cilia
d)
Production of antibodies
25.
The structure of a lymphatic vessel is most similar to that of a(n)
a)
Artery
b)
arteriole
c)
vein
d)
capillary
26.
An immune response that does not involve antibodies but rather involves the activation of macrophages and natural killer cells:
a)
Acquired Passive Immunity
b)
Natural Immunity
c)
Acquired Active Immunity
d)
Cell-Mediated Immunity
27.
The specific defense system is the _______ defense system.
a)
adaptive
b)
innate
28.
The nonspecific defense system is the ______ defense system
a)
adaptive
b)
innate
29.
Which type of cells make antibodies?
a)
A cells
b)
B cells
c)
M cells
d)
T cells
30.
All fevers are bad.
a)
True
b)
False
31.
Where do B cells mature?
a)
blood
b)
bone marrow
c)
thymus
d)
tonsils
32.
How can inflammation be a good thing?
a)
it hurts
b)
it prevents the spread of infection
c)
it looks pretty
d)
it is pain freee
33.
The tiny, oval-shaped lymph structures located throughout the body are known as:
a)
lymph.
b)
lymph fluid.
c)
lymph nodes.
d)
spleen.
34.
What is the function of the lymphatic system?
a)
Drains tissue fluids, waste products & flights against infection.
b)
Prevent swelling
c)
Removes toxins & waste
d)
Fights against infection
35.
Which of the following is NOT a function of the lymphatic system?
a)
removes excess fluid from around organs
b)
absorbs/transports fats
c)
circulates blood
d)
produces white blood cells
36.
A soft tissue inside the bone that produces blood cells
a)
immune cells
b)
lymph nodes
c)
spleen
d)
bone marrow
37.
Immunity conferred to a breastfeeding infant by his mother is:
a)
innate immunity
b)
active immunity
c)
passive immunity
d)
vaccination immunity
38.
Due to a genetic mutation, B Cells are not able to produce plasma cells after connecting with an antigen-bearing T cell. How would this affect the body and the maintenance of homeostasis?
a)
It would have no effect.
b)
B cells would not be able to connect with an antigen to identify non-self or self
c)
Antibodies would not be able to be used to tag antigens to help destroy them
39.
Which of the following is part of innate immunity?
a)
Neutrophils
b)
Cell-Mediated Response
c)
Inflammation
d)
Humoral Response
40.
The process of engulfing a bacterium or virus particle by a macrophage is known as
a)
Phagocytosis
b)
Pinocytosis
c)
T cell
d)
Dendritic cell
41.
T cells mature in the
a)
Bone marrow
b)
Thymus
c)
Blood
d)
Thyroid
42.
The protein that sits on pathogenic surfaces and elicits an immune response is known as
a)
antigen
b)
histamine
c)
antibody
d)
anticytosis
43.
What is the antigen presenting receptor on the surface of T cells called?
a)
MHC
b)
TLR
c)
GPCR
d)
None of the above
44.
Which type of cell will remember what the antigen looks like and produce a rapid secondary response?
a)
Plasma B cells
b)
Memory B cells
c)
Plasma T cells
d)
Memory T cells
45.
A secondary immune response will be faster when...
a)
The individual has encountered the pathogen already
b)
The individual's macrophages are on high alert
c)
The individual has encountered the pathogen and has memory B cells circulating
d)
All of the above
46.
What is the job of a cytotoxic "killer" T cell?
a)
make B cells
b)
promote more WBC's
c)
make more T cells
d)
kill cells infected by pathogen
47.
How does a person get immunity through PASSIVE immunity?
a)
you have been infected
b)
you have been vaccinated
c)
you made antibodies
d)
you got your mother's antibodies at birth
48.
What part is the variable region?
a)
A
b)
B
c)
C
d)
D
49.
The body’s nonspecific defenses against invading pathogens include
a)
antibiotics.
b)
mucus, sweat and tears.
c)
antibodies.
d)
Killer T cells.
50.
How does your immune system misread an allergen?
a)
It is actually alergic to the allergen
b)
It mistakes innocent allergens for a harmful threat
c)
It thinks its poisionus
d)
It dosn't misread allergens
51.
Which is NOT considered FIRST line of defense?
a)
White Blood Cells
b)
Skin
c)
Hair
d)
Mucous Membranes
52.
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
53.
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
54.
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
55.
Interferon is group of hormone like peptides produced by cells in response to the presence of
a)
chemical irritants
b)
viruses
c)
bacterial cells
d)
malarial parasites
56.
How does immune system fight viruses?
a)
Immune system guards our body and when red blood cells which are the part of our immune system detect viruses in our body they kill the antigen or viruses by antibodies.
b)
Immune system guards our body and when
white blood cells which are the part of our immune system detect viruses in our body they kill the antigen or viruses by antibodies.
white blood cells which are the part of our immune system detect viruses in our body they kill the antigen or viruses by antibodies.
c)
Immune system guards our body and when
antibiotics which are the part of our immune system detect viruses in our body they kill the antigen.
antibiotics which are the part of our immune system detect viruses in our body they kill the antigen.
d)
None of above
57.
Destroy target cells and recognize cancerous cells
a)
Helper T Cells
b)
T cells for delayed hypersensitivity
c)
Suppressor T Cells
d)
Cytotoxic T Cells
58.
B Cells differentiate into memory cells and what?
a)
stem cells
b)
nerve cells
c)
helper cells
d)
plasma cells
59.
Activate cytotoxic T cells and other helper T cells as well as activate B cells
a)
Helper T Cells
b)
T Cells for delayed hypersensitivity
c)
Suppressor T Cells
d)
Cytotoxic T Cells
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