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Immunology basics and vaccines

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Every question from past board papers on Immunology basics and vaccines, newest paper first. Open any question for its full worked answer.

NEET UG 2025 question paper (official, booklet 45)

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  1. Identify the statement that is NOT correct.

    4 marks · See worked answer →

  2. After maturation, in primary lymphoid organs, the lymphocytes migrate for interaction with antigens to secondary lymphoid organ(s) / tissue(s) like:

    A. thymus B. bone marrow C. spleen D. lymph nodes E. Peyer's patches

    Choose the correct answer from the options given below:

    4 marks · See worked answer →

  3. Which of the following type of immunity is present at the time of birth and is a non-specific type of defence in the human body?

    4 marks · See worked answer →

NEET UG 2024 question paper (official, booklet S6)

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  1. Which of the following are Autoimmune disorders?

    A. Myasthenia gravis

    B. Rheumatoid arthritis

    C. Gout

    D. Muscular dystrophy

    E. Systemic Lupus Erythematosus (SLE)

    Choose the most appropriate answer from the options given below :

    4 marks · See worked answer →

  2. Given below are two statements :

    Statement I : Bone marrow is the main lymphoid organ where all blood cells including lymphocytes are produced.

    Statement II : Both bone marrow and thymus provide micro environments for the development and maturation of T-lymphocytes.

    In the light of the above statements, choose the most appropriate answer from the options given below :

    4 marks · See worked answer →

NEET UG 2022 question paper (official, booklet R6)

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  1. Given below are two statements :

    Statement I :

    Autoimmune disorder is a condition where body defense mechanism recognizes its own cells as foreign bodies.

    Statement II :

    Rheumatoid arthritis is a condition where body does not attack self cells.

    In the light of the above statements, choose the most appropriate answer from the options given below :

    4 marks · See worked answer →

  2. Select the incorrect statement with respect to acquired immunity.

    4 marks · See worked answer →

NEET UG 2020 question paper (official, booklet E1)

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  1. Identify the wrong statement with reference to immunity.

    4 marks · See worked answer →

NEET UG 2019 question paper (official, booklet P1)

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  1. Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart immunity to the newborn infants because it contains :

    4 marks · See worked answer →

  2. Which of the following immune responses is responsible for rejection of kidney graft ?

    4 marks · See worked answer →

NEET UG 2018 question paper (official, booklet EE)

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  1. Which of the following is not an autoimmune disease ?

    4 marks · See worked answer →

NEET UG 2017 question paper (official, booklet B)

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  1. Transplantation of tissues/organs fails often due to non-acceptance by the patient's body. Which type of immune-response is responsible for such rejections ?

    4 marks · See worked answer →

  2. MALT constitutes about ______ percent of the lymphoid tissue in human body.

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NEET UG 2016 Phase 1 question paper (official, booklet A)

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  1. In higher vertebrates, the immune system can distinguish self-cells and non-self. If this property is lost due to genetic abnormality and it attacks self-cells, then it leads to :

    4 marks · See worked answer →

  2. Antivenom injection contains preformed antibodies while polio drops that are administered into the body contain :

    4 marks · See worked answer →