Unit Test — Unit test Answers

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Which shows a correct association between a structure and one of its functions?

A
Pores receive sensory information.
B
Oil regulates temperature.
C
Vitamin D protects against bacteria.
D
Sweat glands remove waste.
2
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Which helps in the production of eggs?

A
testosterone
B
estrogen
C
semen
D
fallopian tube
3

Skeletal muscle is controlled by the organism.Which best describes what this means in terms of movement?

A
Any muscle attached to the skeleton is voluntary and may be used for movement.
B
Some of the muscle attached to the skeleton is involuntary and may be used for movement.
C
Some of the muscle attached to the skeleton is voluntary and may be used for movement.
D
All of the muscles attached to the skeleton are involuntary and may be used for movement.
4

PeristalsisSalivationDigestionSecretion

A
Peristalsis
B
Salivation
C
Digestion
D
Secretion
5

High blood pressure occurs when there is too much blood flowing through the blood vessels at one time. By changing the amount of water in the blood, blood pressure can change. The excretory system can help to lower blood pressure.Which would most likely occur in the kidney?

A
More water would be transferred from the nephron.
B
Less water would be absorbed into the nephron.
C
The amount of water in the bladder would decrease.
D
The amount of water in the blood would increase.
6

Which explains how the nervous system is typically involved in keeping the body in homeostasis?

A
It processes the environment and sends out signals.
B
It controls movement and provides structure.
C
It physically breaks down and absorbs food.
D
It puts oxygen in the blood, which is essential for life.
9

Sperm are produced in the

A
glands
B
sperm duct.
C
testes.
D
urinary bladder.
12

Which is the pathway for information through a neuron?

A
dendrite → axon → cell body → axon terminals
B
axon terminals → axon → cell body → dendrite
C
dendrite → cell body → axon → axon terminals
D
cell body → dendrite → axon → axon terminals
14

What are the roles of mucus? Select two options.to trap pathogensto start feversto prevent pathogens from moving into deep tissuesto stimulate B-cells to make antibodiesto identify antigens

A
to trap pathogens
B
to start fevers
C
to prevent pathogens from moving into deep tissues
D
to stimulate B-cells to make antibodies
E
to identify antigens
15

Which list shows three components of an organ system in order of least complex to most complex?

A
red blood cell, heart, tissue
B
skeleton, bone, bone cell
C
muscle cell, muscle tissue, stomach
D
lung, lung tissue, circulatory system
18

What is the main function of the reproductive system?

A
to transport substances
B
to remove wastes
C
to continue the species
D
to make hormones

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Unit Test — Unit test Answers — Science 7 B M12…