Allergy is due to:
1.
the release of cytokines like interferons by natural killer cells
2.
the release of histamine and serotonin like chemicals in tissue by basophils
3.
the release of lysozyme into the body fluids in response to allergens
4.
the release of histamine and serotonin like chemicals in tissue by mast cells
Subtopic: Â Allergies & Autoimmunity |
 80%
Level 1: 80%+
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Which one of the following is a hallucinogenic drug?
1. Caffeine
2. Morphine
3. Lysergic acid diethylamide
4. Opium
1. Caffeine
2. Morphine
3. Lysergic acid diethylamide
4. Opium
Subtopic: Â Drugs & Alcohol Abuse |
 55%
Level 3: 35%-60%
NEET - 2013
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NEET 2026 - Target Batch - Vital
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| Assertion (A): | Both mind and mental health can affect health. |
| Reason (R): | Mind influences, through our neural system and endocrine system, our immune system. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are true, but (R) is not the correct explanation of (A). |
| 3. | (A) is true, but (R) is false. |
| 4. | (A) is false, but (R) is true. |
Subtopic: Â Introduction |
 84%
Level 1: 80%+
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Assertion (A): An antibody is represented as H2L2.
Reason (R): An antibody molecule has two heavy chains and two light chains.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason (R): An antibody molecule has two heavy chains and two light chains.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Â Details of Immunity |
 93%
Level 1: 80%+
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NEET 2026 - Target Batch - Vital
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Assertion (A): Recombinant DNA Technology has not contributed much to the greater availability of immunization.
Reason (R): RDT has allowed the production of antigenic polypeptides of pathogens.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason (R): RDT has allowed the production of antigenic polypeptides of pathogens.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Â Active & Passive Immunity |
 78%
Level 2: 60%+
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| Assertion(A): | AIDS patients are not isolated from family and society. |
| Reason(R): | AIDS spreads through mere touch and physical contact. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false, but (R) is true. |
Subtopic: Â AIDS |
 89%
Level 1: 80%+
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| Assertion (A): | Smoking and drug habits are more likely to be taken up during adolescence. |
| Reason (R): | It is best to identify the situations that may push an adolescent towards the use of drugs or alcohol. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true, but (R) is not the correct explanation of (A). |
| 3. | (A) is true, but (R) is false. |
| 4. | (A) is false, but (R) is true. |
Subtopic: Â Drugs & Alcohol Abuse |
 63%
Level 2: 60%+
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Assertion (A): Antibody-mediated immune response is called the humoral immune response.
Reason (R): Antibodies are found in the lymph.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason (R): Antibodies are found in the lymph.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Â Details of Immunity |
 51%
Level 3: 35%-60%
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| Assertion(A): | Sudden sneezing and wheezing are symptoms of allergy to pollen, mites, etc. |
| Reason(R): | Some of us are sensitive to some particles in the environment. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false, but (R) is true. |
Subtopic: Â Allergies & Autoimmunity |
Level 3: 35%-60%
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NEET 2026 - Target Batch - Vital
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Assertion (A): In recent times, people get a comparatively protected environment early in life than older days.
Reason (R): Children in metro cities suffer from allergies.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason (R): Children in metro cities suffer from allergies.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Â Allergies & Autoimmunity |
 61%
Level 2: 60%+
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
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