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WorksheetsCells (ch 1 class 7)
Total questions: 24
Worksheet time: 12mins
Name
Class
Date
1.
What is a cell?
a)
Part of non-living thing
b)
Ameoba, bacteria
c)
Unit of life in living things
d)
Small units in humans
2.
1. Which of the following statements is part of the cell theory?
a)
A. Cells can be produced from nonliving matter.
b)
B. All cells are produced from other cells.
c)
C. Cells are just one of the multiple basic units of structure and function in living things.
3.
2. Which of the following statements is NOT part of the cell theory?
a)
A. Cells are the basic unit of structure and function in living things.
b)
B. only animals are composed of cells.
c)
C. All cells are produced from other cells.
4.
3. What is the function of a cell membrane?
a)
A. to support the cell
b)
B. to perform different functions in each cell
c)
C. to control what enters and leaves the cell
5.
4. Which organelle is the control center of a cell?
a)
A. chloroplast
b)
B. nucleus
c)
C. ribosome
6.
5. Which of the following best describes the function of the mitochondria?
a)
A. They store energy from sunlight
b)
B. They convert energy from food molecules into energy the cell can use
c)
C. They store energy from food molecules
7.
6. Cells in many-celled organisms...
a)
A. all have the same structure
b)
B. are all different sizes in every part of the organism
c)
C. all specialize in a certain function
8.
7. Specialized cells are found only in
a)
A. single-celled organisms
b)
B. many-celled organisms
c)
C. bacteria
9.
8. Which term refers to the movement of molecules from an area of higher
concentration to an area of lower concentration?
concentration to an area of lower concentration?
a)
A. active transport
b)
B. concentration
c)
C. diffusion
10.
10. Which term refers to the movement of materials through a cell membrane without
using the cell’s energy?
using the cell’s energy?
a)
A. Active transport
b)
B. Passive transport
c)
C. engulfing
11.
12. What is the function of a cell wall?
a)
A. to protect and support the cell
b)
B. to prevent oxygen from entering the cell
c)
C. to perform different functions in each cell
12.
13. The invention of the microscope made it possible for people to discover
a)
A. cells
b)
B. animals
c)
C. plants
13.
14. A microscope allowed Hooke to see “tiny rectangular rooms,” which he called...
a)
A. walls
b)
B. cells
c)
C. tissues
14.
11. Which term refers to the movement of materials through a cell membrane when
the cell’s energy is required?
the cell’s energy is required?
a)
A. diffusion
b)
B. active transport
c)
C. osmosis
15.
15. Cells are the basic units of structure and ___________________ in living things.
a)
A. wall
b)
B. nucleus
c)
C. function
16.
16. According to the cell theory, all organisms are made of _______________.
a)
A. walls
b)
B. nucleus
c)
C. cells
17.
17. A ________ is a group of similar cells that work together to perform a specific function
a)
A. cells
b)
B. water
c)
C. tissue
18.
18. Oxygen molecules move across cell membranes through a process called
a)
A. water
b)
B. diffusion
c)
C. energy
19.
19. The diffusion of _______ molecules through a selectively permeable cell membrane is called osmosis
a)
tissue
b)
B. water
c)
C. cells
20.
20. Unlike passive transport, active transport requires the cell to use its own
__________.
__________.
a)
A. tissue
b)
B. energy
c)
C. water
21.
Which of the following is the smallest level of organization?
a)
organism
b)
cell
c)
tissue
d)
organ system
22.
Which of the following is the smallest level of organization?
a)
organism
b)
cell
c)
tissue
d)
organ system
23.
Which of the following is the largest level of organization?
a)
organism
b)
cell
c)
tissue
d)
organ system
24.
Which of the following is NOT a way to tell that a cell is a plant cell?.
a)
A. The cell's vacuole is large
b)
B. The cell has a mitochondria
c)
C. The cell has a cell wall.SUBMIT
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