Cumulative Exam — Cumulative exam Answers

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21
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How has the system of classifying organisms changed since Linnaeus’s work?

A
Levels have been taken away from the hierarchy.
B
Organisms have been identified simply as plants or animals.
C
More levels have been added to the hierarchy.
D
A hierarchy has been developed.
22
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Where does the energy within the greenhouse effect originate?

A
from convection within the atmosphere
B
from the circular movement of hot and cold air
C
from solar radiation entering the atmosphere
D
from the conduction of heat from the ground to the air
23

The more bonds an atom can make, the more likely it is to combine with other atoms in different ways.Which element is most likely able to make the greatest variety of bonds?

A
nitrogen
B
hydrogen
C
oxygen
D
carbon
24

What electromagnetic wave can cause skin cancer?

A
red light
B
yellow light
C
infrared radiation
D
ultraviolet radiation
25

Which factor increases as a result of increasing altitude?

A
air pressure
B
air density
C
size of gas molecules
D
space between gas molecules
26

Which best describes the movement through the nephron?

A
Blood is passed into the nephron and removed through the urethra.
B
All materials that exit the blood into the nephron are removed in the urine.
C
Some of the materials that exit the blood can be returned to the blood.
D
High quantities of sugars and water are excreted in the urine.
27

When a volcano erupts, tiny particles from which of Earth’s spheres are released into the air?

A
atmosphere
B
biosphere
C
geosphere
D
hydrosphere
28

Which of the following best describes hair?

A
Hair is made of mostly tightly packed living cells.
B
Hair does not help control body temperature.
C
Hair growth occurs in the hair follicle.
D
Hair grows at 2.5mm a month.
29

Which term describes weathering?

A
breaks down rock
B
causes heating and cooling
C
makes pebbles and rocks larger
D
carries away fragments
30

The cryosphere is part of which sphere of the Earth system?

A
atmosphere
B
biosphere
C
geosphere
D
hydrosphere
31

Which two layers are part of the thermosphere?

A
exosphere and ionosphere
B
ionosphere and mesosphere
C
mesosphere and stratosphere
D
stratosphere and troposphere
32

Study the image.

Question illustration
A
1
B
2
C
3
D
4
33

The esophagus, stomach, and small intestines all function together to digest food and absorb nutrients. Which level of organization is being described?

A
cell
B
tissue
C
organ
D
organ system
34

Which example is most likely an organic compound?

A
water, which is a liquid found all over Earth
B
glucose, which is a sugar made by plants
C
gold, which is a metallic mineral
D
sodium chloride, which is a salt
35

Since sugar comes from food, which system would directly affect blood sugar levels?

A
respiratory
B
muscular
C
skeletal
D
digestive
36

Study the diagram of a cell.

Question illustration
A
W and X
B
W and Z
C
X and Y
D
Y and Z
37

The ulna, radius, and humerus are the three bones of the arm. The elbow is formed where these bones meet. Which is another name for the elbow?

A
joint
B
tendon
C
cartilage
D
bone marrow
38

Which is an example of a local wind?

A
a windchill
B
a jet stream
C
a trade wind
D
a sea breeze
39

What is the kinetic energy of a ball with a mass of 0.5 kg and a velocity of 10 m/s? (Formula:)

Question illustration
A
25 J
B
5 J
C
50 J
D
100 J
40

Vaccines are used to prevent disease. They are given to patients as dead or weakened forms of a virus.Which disease would most likely have a vaccine?

A
diabetes
B
flu
C
cancer
D
malaria

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