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Organization Of Life
Test Description: Questions on the structure of living things.
Instructions: Answer all questions to get your test result.
1) Which choice correctly identifies the 5 levels of cell organization from most complex to simplest?
A
tissue, organs, organ systems, cell, organism
B
organism, organ system, organ, tissue, cell
C
organ system, cell, tissue, organ, organism
D
cell, tissue, organ, organ system, organism
2) The epidermis and dermis make up the two main layers of the skin. Skin is an example of which level of organization?
A
tissue
B
organ
C
cell
D
system
3) Saliva contains an enzyme which begins to break down starch as soon as you put it into your mouth. If a person did not produce saliva, which would be most affected?
A
digestive system
B
liver
C
blood cells
D
nervous system
4) Which letter correctly identifies the 5 levels of organization from simplest to the most complex?
A
muscle cell, heart, cardiac muscle tissue, circulatory system, person
B
muscle cell, cardiac muscle tissue, heart, circulatory system, person
C
person, muscle cell, heart, circulatory system, cardiac muscle tissue
D
person, circulatory system, heart, cardiac muscle tissue, muscle cell
5) Which of the following is the most complex level of organization in living things?
A
cell
B
organ system
C
organ
D
organism
6) Which of the following is an example of an organism?
A
a mouse
B
a nerve cell
C
skin
D
a skull bone
7) Which of the following is an example of an organ?
A
digestive system
B
muscle fiber
C
large intestine
D
inner lining of the stomach
8) What are organs made out of?
A
Organisms
B
Tissues
C
Cells
D
Organ systems
9) Which of the following is one of the major functions provided by our skin?
A
It takes in oxygen from the atmosphere because it is our skin that comes in contact with the air around us.
B
It extracts energy from food because skin is made of cells and energy is extracted in the cells.
C
It pumps blood through our body because when the skin contracts and expands it creates our pulse.
D
It protects the body from disease because skin acts as a barrier against disease-causing organisms.
10) What is the primary body function our lungs serve?
A
They keep bad gases out of our body. Because the lungs have so much surface area, they collect all the bad chemicals.
B
They exchange oxygen and carbon dioxide. In the lungs, oxygen diffuses into and carbon dioxide diffuses out of the blood.
C
They clean our body of waste materials. The lungs are the main organs that filter waste materials out of our blood.
D
They transport oxygen to all parts of our body. Without oxygen we cannot live. The lungs are the main distributor of oxygen.
*select an answer for all questions
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