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Type Of Cells And Homeostasis And Cell Theory
Test Description: Cell types and maintaining homeostasis
Instructions: Answer all questions to get your test result.
1) Which of the following is a characteristic of many eukaryotes?
A
Many eukaryotes have no cell membrane
B
Many eukaryotes have no DNA
C
Many eukaryotes have many cells
D
Many eukaryotes have DNA in cytoplasm
2) What phrase defines the term homeostasis?
A
Removal of waste materials produced by the cells of the body
B
Regulation of the environment outside the body
C
Division of cells that make up the body
D
Maintenance of a stable environment inside the body
3) What is a difference between eukaryotic cells and prokaryotic cells?
A
Only prokaryotic cells have cytoplasm.
B
Only prokaryotic cells have genetic material.
C
Only eukaryotic cells have a cell membrane.
D
Only eukaryotic cells have membrane-bound organelles.
4) What is the result of homeostasis at the cellular level?
A
The environment within the cell is stable.
B
The cell divides
C
The cell dies.
D
The cell no longer obtains energy.
5) Kayla summarizes the cell theory to her class. She states that all organisms are made up of one or more cells. Which pair of statements correctly completes her summary
A
All cells are the same size, and the cell is the basic unit of all organisms.
B
The cell is the basic unit of all organisms, and all cells have the same parts
C
All cells come from existing cells, and all cells have the same parts.
D
The cell is the basic unit of all organisms, and all cells come from existing cells.
6) A picture shows a unicellular organism. What type of a cell is shown?
A
animal cell
B
prokaryote
C
eukaryote
D
plant cell
7) Some cells in multicellular organisms are constantly dividing. What is one reason why cells divide?
A
so that an organism can obtain the energy that it needs
B
so that an organism can exchange materials with its environment
C
so that an organism can eliminate wastes
D
so that an organism can grow by adding new cells
8) Part of the cell theory states that cells come from other cells. Which statement below explains that this part of cell theory applies to all organisms?
A
he cells of all organisms take in nutrients from their environment
B
The cells of all organisms have cytoplasm
C
The cells of all organisms divide to make more cells
D
The cells of all organisms excrete waste
9) The cell theory was developed based upon the research done by many scientists over many years. Which of the following statements is NOT a part of the modern cell theory?
A
All cells are microscopic
B
All organisms are composed of cells
C
All cells come from pre-existing cells
D
Cells are the basic units of life
10) The survival of cells depends on maintaining homeostasis. What will happen to a cell if homeostasis is not maintained?
A
The cell will immediately divide
B
The cell will eliminate wastes more efficiently
C
Cell processes will continue unchanged
D
Many chemical reactions in the cell will slow down or even stop
*select an answer for all questions
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