Grade 10 Biology: Diseases
This worksheet covers key concepts related to human diseases, including types of pathogens, modes of transmission, and the body's immune response.
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Grade 10 Biology: Diseases
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Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.
1. Which of the following is NOT a type of pathogen?
Bacteria
Viruses
Fungi
Allergens
2. Which mode of disease transmission involves an infected animal transmitting the pathogen to a human?
Direct contact
Airborne transmission
Vector-borne transmission
Waterborne transmission
3. A substance that stimulates the immune system to produce antibodies is called a .
4. The body's first line of defense against pathogens includes the skin, mucous membranes, and .
5. Briefly explain the difference between an epidemic and a pandemic.
6. Describe two ways in which vaccines protect individuals from infectious diseases.
7. Antibiotics are effective against both bacterial and viral infections.
True
False
8. Herd immunity occurs when a large percentage of a population is immune to a disease, providing protection to those who are not immune.
True
False
9. Observe the diagrams below, then answer the questions.
a) Identify which diagram represents a bacterium and which represents a virus. List two key structural differences between them.
b) Explain why antibiotics are effective against bacteria but not viruses.