Cell Signalling and Immunology

JKPSC Assistant Professor (Zoology) · Zoology · 58 practice questions with answers and explanations: 7 Easy, 51 Medium, 0 Hard.

Sample questions

Sample Easy question 1

The variable region of an antibody is responsible for:

  1. Placental transfer
  2. Binding to mast cells
  3. Antigen binding
  4. Complement binding
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Answer: C. The constant region has the effector functions.

Sample Easy question 2

The Western blot is used to detect:

  1. RNA transcripts
  2. Specific proteins
  3. Lipids
  4. DNA sequences
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Answer: B. It separates proteins by gel electrophoresis and probes with antibodies.

Sample Easy question 3

Antibodies are produced by:

  1. T lymphocytes
  2. Plasma cells (B lymphocytes)
  3. Macrophages
  4. Platelets
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Answer: B. Plasma cells are differentiated B cells.

Sample Medium question 4

Interferons are produced in response to:

  1. Allergy
  2. Viral infection
  3. Fungal infection
  4. Bacterial infection
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Answer: B. They induce an antiviral state.

Sample Medium question 5

The cells that engulf pathogens are:

  1. Mast cells
  2. Phagocytes
  3. Memory cells
  4. Plasma cells
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Answer: B. Macrophages are an example.

Sample Medium question 6

The complement system is activated by the:

  1. Only classical
  2. Classical, alternative and lectin pathways
  3. Only alternative
  4. None
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Answer: B. It forms the membrane attack complex.

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