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Grade 7 Chapter 1 Test Flashcards | StudBud
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Grade 7 Chapter 1 Test
Grade 7 Chapter 1 Test
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1
Which of the following workers would not use a microscope?
jeweler
auto mechanic
fossil researcher
forensic scientist
2
Linnaeus's system gave how many names to each organism?
four
two
one
three
3
Nonliving things can have some characteristics of life
False
True
4
Which represents the earliest microscope?
scanning electron
transmission electron
light
compound
5
Contractile vacuoles help paramecium reproduce
False
True
6
A scanning microscope is a type of light microscope that has more than one lens
True
False
7
Things to small to be seen with other microscopes may be viewed with a(n)
compound light microscope
electron microscope
simple microscope
brightfield microscope
8
An organism only grows by increasing its number of cells
True
False
9
Which of the following are examples of external stimuli?
a squirrel sees a cat and runs up a tree
you see a spider and run away
a bird is thirsty and drinks some water
A lizard is cold so it moves into the sun
10
How many times does a compound light microscope with an ocular lens of 8x and an object lens of 32x, magnify objects?
40x
256x
24x
4x
11
Dichotomous keys are divided into steps with ___ descriptions at each step
five
three
two
four
12
Of the following, which would not be grouped with the others?
sweat pants
blue jeans
sweat shirt
shorts
13
To see something 1500x larger than its original size, you would use a light microscope
False
True
14
All living things have organs that perform specific functions
False
True
15
A cladogram is similar to which of the following?
concept web
family tree
grouping set
Chronology tree
16
A tadpole turns into a frog over its lifetime. This is called ____
homeostasis
reproduction
growth
development
17
Which of the following is not a multicellular organism?
mosquito
grass
amoeba
worm
18
Used to study extremely small things such as cell structures
transmission electron microscope
compound microscope
Scanning electron microscope
light microscope
19
In a ___ electron microscope, electrons usually pass through the object being viewed
scanning
passing
compound
transmission
20
Growth of many-celled organisms is mostly due to an increase in the ___ of cells
size
protons
number
all of the above
21
In a cladogram that has a salmon at the far left, a salamander in the middle and a lizard to the right
The salmon is more closely related to the salamander than the lizard
The salamander is more closely related to the lizard than the salmon
The salmon is more closely related to the lizard than the salamander
The salamander is more closely related to the salmon than the lizard
22
Which of the following is not a method your body uses to regulate homeostasis?
change the flow of blood
sweating
taking a cool shower
shivering
23
The microscopes used today are just like the ones used by Leeuwenhoek and Hooke
False
True
24
used to study an object's surface
Scanning electron microscope
light microscope
transmission electron microscope
compound microscope
25
Where are electrons found?
inside atoms
inside cells
outside cells
outside atoms
26
Two horses mate and produce a foal. This is an example of
growth
homeostasis
development
reproduction
27
Which of the following is NOT one of the current kingdoms used for classification?
Eukarya
Fungi
Plantae
Protista
28
The first microscope was made in the late 1800's
True
False
29
The classification system most commonly used today separates organisms into ___ kingdoms
five
three
six
four
30
Which of the following is an example of a response to a stimulus?
you are scared
you are tired
you are hot
you eat food
31
Which of the following are examples of internal stimuli?
a bird is thirsty and drinks some water
You have a stomach ache and decide to lay down
you see a spider and run away
a lion gets hungry and eats a gazelle
32
Which is not a function of a dichotomous key?
more difficult to find and identify species
give descriptive information
organisms with similar evolutionary histories are classified together
avoid errors in communication
33
Robert Hooke used the microscope to observe and name
algae
cells
blood types
insects
34
Uses light and lenses to enlarge an image of an object
light microscope
compound microscope
transmission electron microscope
Scanning electron microscope
35
The order in which organisms are classified is Domain, Kingdom, Phylum, Order, Class, Genus, Family, and Species
True
False
36
Total magnification in a compound microscope is calculated by ____the ocular and objective lens
dividing
adding
multiplying
subtracting
37
a light microscope that uses more than one lens to magnify an object
transmission electron microscope
Scanning electron microscope
light microscope
compound microscope
38
Humans belong to which kingdom?
Animalia
Fungi
Plantae
Protista
39
A scanning microscope is used to study internal cell structures
False
True
40
List the six characteristics of living things (on the test, you will have to list them)
breathing, homeostasis, reproduction
homeostasis, response to stimuli, use of energy
organization, chemical reactions, breathing
growth and development, organization, reproduction