Grade 12 Biology: Defense Mechanisms
This worksheet covers key concepts in biological defense mechanisms, including innate and adaptive immunity, and various immune responses relevant for Grade 12 Biology students.
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Grade 12 Biology: Defense Mechanisms
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Read each question carefully and provide your best answer. This worksheet assesses your understanding of biological defense mechanisms.
1. Which of the following is considered a component of the innate immune system?
T-cells
Antibodies
Phagocytes
B-cells
2. The process by which a pathogen is engulfed and destroyed by a white blood cell is called:
Apoptosis
Phagocytosis
Transcription
Translation
3. The immune system provides a rapid, non-specific defense against pathogens.
4. Antibodies are produced by cells and are specific to particular antigens.
5. Differentiate between innate and adaptive immunity, providing one key characteristic for each.
6. Explain the role of memory cells in the adaptive immune response.
7. Vaccination primarily stimulates the innate immune response.
True
False
8. Inflammation is a localized tissue response to injury or infection.
True
False
Use the words below to complete the sentences.
9. A foreign substance that elicits an immune response is called an .
10. are signaling proteins that regulate immune responses.
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