Viruses: Structure and Function
Explore the basic structure, reproduction, and impact of viruses on living organisms with this Grade 7 science worksheet.
Includes
Standards
Topics
Viruses: Structure and Function
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Some questions may require you to refer to the provided diagram.
Observe the diagram below showing the structure of a bacteriophage virus.
1. Which of the following is NOT considered a living organism?
Bacteria
Fungi
Virus
Plant
2. What is the main component of a virus's outer protective layer?
Cell wall
Capsid (protein coat)
Cell membrane
Nucleus
3. Viruses can only reproduce inside a living cell.
4. The genetic material of a virus can be either DNA or .
5. Viruses are much smaller than and cannot be seen with a regular light microscope.
6. All viruses are harmful to humans.
True
False
7. Vaccines help prevent viral infections.
True
False
8. Briefly explain why viruses are often described as 'parasites'.
9. Describe one way viruses spread from one organism to another.
Related Worksheets
Muscles of the Leg Worksheet
A Grade 7 science worksheet focusing on the major muscles of the human leg, their functions, and identification.
Six Kingdoms of Life Worksheet
Explore the characteristics and classification of the six kingdoms of life with this engaging worksheet for Grade 7 science students.
Six Kingdoms of Life Worksheet
Explore the characteristics and classification of the six kingdoms of life with this engaging worksheet for Grade 7 science students.
Human Decomposition: The Science of Decay
Explore the stages of human decomposition, the factors that influence it, and the roles of scavengers and microorganisms in this Grade 7 Science worksheet.
Feedback Loops in Science
Explore the concepts of positive and negative feedback loops in biological and environmental systems.
Humerus Bone Worksheet
Explore the anatomy and function of the humerus bone with this Grade 7 science worksheet.
Invertebrate Animals Worksheet
Explore the fascinating world of invertebrate animals with this worksheet, covering their characteristics, classifications, and examples.
Frog Dissection Worksheet
A worksheet covering the external and internal anatomy of a frog for grade 7 science students.