Grade 7 Biology Principles Worksheet
Explore fundamental biology principles including cell structure, classification, and basic life processes relevant for Grade 7 science students.
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Grade 7 Biology Principles
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Read each question carefully and answer to the best of your ability. Good luck!
1. Which of the following is considered the basic unit of life?
Organ
Tissue
Cell
System
2. What is the primary function of the cell membrane?
Store genetic material
Control what enters and leaves the cell
Produce energy
Carry out photosynthesis
3. The process by which plants make their own food using sunlight is called .
4. All living organisms are made up of one or more .
5. Briefly explain the difference between a prokaryotic cell and a eukaryotic cell.
6. Name three characteristics that all living things share.
7. All cells contain a cell wall.
True
False
8. Mitochondria are responsible for generating most of the energy needed for a cell to function.
True
False
Match the cell organelle with its primary function.
9. Nucleus
a. Site of photosynthesis
10. Chloroplast
b. Controls cell activities
11. Vacuole
c. Stores water and nutrients
12. Label the following parts of the animal cell diagram:
A.
B.
C.
D.
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