Immunology Questions Online Test 2

1. Which antibody characterizes the allergic reaction

• IGG
• IGA
• IGM
• IGE

2. SCID is due to

• Adenosine deaminase deficiency
• Glucose oxidase deficiency
• Phosphatase deficiency
• Lactate dehydrogenase deficiency

3. Which of the following causes AIDS ?

• Bacteria
• Fungus
• Retro virus
• TMV

4. Thymus growth occurs up to

• 17 years
• 12 years
• 5 years
• 30 years

5. Which of the following secretes immunoglobulin

• T-lymphocyte
• B-ymphocyte
• Macrophage
• Mast cells

6. The H-chain of immunoglobulin has a molecular weight

• equivalent to that of light chain
• Twice that of light chain
• Triple the amount of light chain
• Twice as that of dark chain

7. mmunoglobulins are chemically

• glycogens
• glyco-proteins
• glycolipids
• Lipo-proteins

8. Hyper variability regions are present in

• heavy chain only
• light chain only
• heavy and light
• dark chain

9. Organ transplantation from pig to human is an example for

• Autograft
• Allo-graft
• ISO-graft
• Xeno-graft

10. Graft between identical twins is called

• Xeno-graft
• Allo-graft
• Auto-graft
• Iso-graft

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