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Stimulus And Response Practice-Internal
Test Description: Stimulus and response practice internal
Instructions: Answer all questions to get your test result.
1) Which relationship explains how plants respond to changes inside their cells?
A
as vacuoles become smaller, a plant's leaves become stiffer
B
as vacuoles become larger, turgor pressure increases
C
as turgor pressure decreases, more water is held in the cell
D
as turgor pressure increases, a plant begins to wilt
2) Your heart begins to pump harder. The result is that...
A
blood pressure increases
B
the lungs take in less air
C
body temperature decreases
D
blood reaches the body's organs less quickly
3) It rains after a drought. Plants begin to...
A
become more rigid because their vacuoles produce more turgor pressure
B
become droopier because the vacuoles begin to shrink
C
transport water from their leaves to their stems
D
transport water out of their vacuoles to decrease turgor pressure
4) Your brain senses that the body's temperature is higher than it should be. It sends signals to the body causing...
A
the skin to begin sweating more
B
the hert to pump faster
C
the lungs to take in more air
D
the muscles to begin shivering
5) Where in the body is the blood pressure the highest?
A
the hands
B
the feet
C
the chest
D
the knees
6) You forget to water your houseplant and it begins to look droopy. This happens because...
A
the turgor pressure inside the plant cells increases
B
the vacuoles inside the plant cells decrease in size
C
the contents inside the cell walls become larger
D
the leaves send water to the stems
7) The weather turned colder while you were at school. On the way home, how does your brain know that your skin temperature is deopping?
A
your sweat glands send messages to your brain
B
the nerves in your skin send messages to your brain
C
your sweat glands send hormones to your brain
D
your brain tells your body to start shivering
8) You sweat as you play basketball on a hot day. When will you stop sweating?
A
when your sweat glands send a message to the brain to tell it to stop sweating
B
when your hormones tell your sweat glands to stop releasing sweat
C
when nerves in your skin detect a drop in the temperature and tell your brain to stop sweating
D
when the basketball game is over
9) A snake can change its body temperature by...
A
sweating
B
moving to another place
C
shivering all over
D
panting hard
10) What force causes blood to flow through the cardiovascular system?
A
hormones released by the endocrine system
B
pushing by the heart
C
the difference in temperature in different parts of the body
D
the pull of gravity
11) All of the following are animal responses to stimuli EXCEPT
A
fever
B
vomitting
C
thigmotropism
D
platelets causing the blood to clot
*select an answer for all questions
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