Biology Immunity Mcqs Test Online 11th Class Punjab

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Question 1 of 10

Biology

1. Antibodies combine with antigens

At constant region

Only of macrophages are present

Both A and C are correct

At variable regions

Question 1 of 10

Question 2 of 10

2. When B-cells are presented with antigen they differentiate into

Plasma cells

T-cells

Bursa cells

Helper T-cells

Question 2 of 10

Question 3 of 10

3. In addition to the immune system, we are protected from disease by

Antigens

Muccus membrane and cilia

Body temperature

Hormones

Question 3 of 10

Question 4 of 10

4. Foreign molecules that evoke an immune response are called

Antibodies

Lymphocytes

Histamines

Pathogens

Question 4 of 10

Question 5 of 10

5. When one receives a booster shot for polio which type of cell is most directly stimulated?

Suppressor cells

Phagocytes

Memory cells

Killer T-cells

Question 5 of 10

Question 6 of 10

6. Plasma cells are

B cells that are actively secreting antibody

Formed form blood plasma

Inactive T cells carried in the plasma

The same as memory cells

Question 6 of 10

Question 7 of 10

7. Fevers

Decrease the reproduction of invading bacteria

Decrease interferon production

Decrease the concentration of iron in the blood

Decrease the activity of phagocytes

Question 7 of 10

Question 8 of 10

8. T and B cells are

Macrophages

Bacteria killer cells

Red blood cells

Lymphocytes

Question 8 of 10

Question 9 of 10

9. Vaccines are

The same as monoclonal antibodies

Not destroyed by heating

Treated bacteria or viruses or one of their proteins

Major histocompatibility complex proteins

Question 9 of 10

Question 10 of 10

10. Memory cells are

Modified T-cells

Suppressor cells

B-cells

Killer T-cells

Question 10 of 10

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