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(1) Cells And Heredity
Test Description: Unit 1 Lesson 1: The Characteristics of Cells
Instructions: Answer all questions to get your test result.
1) Which statement correctly tells why the cells of unicellular and multicellular organisms divide?
A
The cells of both kinds of organisms divide to replace cells and to grow.
B
The cells of both kinds of organisms divide to reproduce.
C
The cells of unicellular divide to replace cells and to grow; those of multicellular divide to reproduce.
D
The cells of unicellular divide to reproduce; those of multicellular divide to replace cells and to grow.
2) Prem finds an unusual object. After he examines it under a microscope, he concludes that the object is a living thing. Which of the following observations most likely led to his conclusion?
A
The object contained carbon.
B
Prem saw cells in the object.
C
The object had a green color.
D
Prem saw minerals inside the object.
3) Which term describes one or more cells that carry out all of the processes needed to sustain life?
A
cytoplasm
B
DNA
C
organism
D
organelle
4) Which of the following statements describes a characteristic of eukaryote?
A
It has no cytoplasm.
B
It has DNA in its cytoplasm.
C
It has DNA in a nucleus.
D
It is made of many cells.
5) Eukaryotic cells and prokaryotic cells have some parts in common. Which of the following pairs of parts would you find in both types of cells?
A
cytoplasm and nucleus
B
DNA and membrane-bound organelles
C
cell membrane and membrane-bound organelles
D
cell membrane and cytoplasm
6) What term describes the smallest unit that can perform all of the functions necessary for life?
A
a cell nucleus
B
a cell membrane
C
a single cell
D
a multicellular organism
7) Jayden knows that multicellular organisms are more complex than unicellular organisms. Which of the following is a characteristic of multicellular organisms?
A
obtaining food
B
being able to move
C
having organelles
D
having specialized cells
8) Eukaryotic cells and prokaryotic cells have some parts that are different. Which of the following would you find only in a eukaryotic cell?
A
membrane-bound organelles and a nucleus
B
membrane-bound organelles and DNA in cytoplasm
C
a nucleus and organelles without membranes
D
a cell membrane and organelles without membranes
9) Some organisms consist of one cell. Other organisms consist of multiple cells. Which of the following is true of cells in a multicellular organism?
A
All cells have the same function.
B
Different types of cells have the same function.
C
Every cell has a different function.
D
Different types of cells have different functions
10) According to Theodor Schwann, all parts of organisms made up of which of the following?
A
nuclei
B
organs
C
cells
D
organelles
11) What did Rudolf Virchow observe about cell division?
A
Cells have cell membranes.
B
Cells have nuclei.
C
Cells come from other cells.
D
Cells move around.
12) Eukaryotic cells and prokaryotic cells have some parts that are different. Which of the following would you find only in a eukaryotic cells?
A
DNA in the cytoplasm
B
a cell membrane
C
a nucleus
D
organelles without membranes
*select an answer for all questions
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