Immune System
Biology ⇒ Human Biology
Immune System starts at 8 and continues till grade 12.
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See sample questions for grade 8
A person receives an injection of antibodies after being bitten by a snake. What type of immunity is this?
Describe the main function of lymph nodes in the immune system.
Describe the role of interferons in the immune response.
Describe what happens during an allergic reaction.
Explain how vaccines help prevent diseases.
Explain the difference between a primary and a secondary immune response.
Explain why organ transplants sometimes fail due to the immune system.
A person receives an injection of antibodies after being bitten by a snake. What type of immunity is this?
Which cells are responsible for killing virus-infected cells?
(1) Helper T cells
(2) Cytotoxic T cells
(3) B cells
(4) Red blood cells
Which of the following best describes an antigen?
(1) A type of white blood cell
(2) A molecule that triggers an immune response
(3) A type of antibody
(4) A type of vaccine
Which of the following best describes herd immunity?
(1) Immunity passed from animals to humans
(2) Immunity that develops after infection
(3) Protection of a population when a large percentage is immune
(4) Immunity from eating healthy foods
Which of the following is a function of helper T cells?
(1) Producing antibodies
(2) Activating other immune cells
(3) Engulfing pathogens
(4) Filtering blood
Fill in the blank: ________ immunity develops after exposure to a disease or vaccination.
Fill in the blank: Antibodies are also known as ________.
Fill in the blank: The ________ is the largest organ of the immune system.
Fill in the blank: The first line of defense in the immune system includes physical and ________ barriers.
True or False: All bacteria are harmful to the human body.
True or False: Allergies are caused by the immune system reacting to harmless substances.
True or False: Fever is a response of the immune system to help fight infection.
True or False: The bone marrow is where all blood cells, including immune cells, are produced.
