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Q. No.Consider the given two statements:
Assertion: Most parasites are pathogens.
Reason: They cause harm to the host by living in (or on) them.
1. Both Assertion and Reason are true and the Reason correctly explains the Assertion.
2. Both Assertion and Reason are false
3. Assertion is true but Reason is false.
4. Both Assertion and Reason are true but the Reason does not explain the Assertion
Subtopic: Introduction |
85%
From NCERT
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What type of worm is the ‘ringworm’ – a very common infectious agent causing dry scaly skin lesions with intense itching?
1. It is a round worm.
2. It is a flat worm.
3. It is an annelid.
4. It is not a worm but a fungus.
1. It is a round worm.
2. It is a flat worm.
3. It is an annelid.
4. It is not a worm but a fungus.
Subtopic: Fungal Infection & Concept of Immunity |
73%
From NCERT
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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: Allergies & Autoimmunity |
80%
From NCERT
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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: Drugs & Alcohol Abuse |
55%
From NCERT
NEET - 2013
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NEET 2026 - Target Batch - Vital
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Identify the molecules (a) and (b) shown below and select the right option giving their source:
| (a) |  |
| (b) |  |
| Molecule | Source | Use | |
| 1. | (a) Etropine | Athropa belladona | Accelerates the transport of dopamine |
| 2. | (b) Diacetylmorphine | Cannabis Sativa | Depressant and slows down body functions |
| 3. | (a) Cannabinoid | Erythroxylum coca | Produces hallucinations |
| 4. | (b) Morphine | Papaver somniferum | Sedative and painkiller |
Subtopic: Drugs & Alcohol Abuse |
74%
From NCERT
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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.
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: Introduction |
84%
From NCERT
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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: Details of Immunity |
93%
From NCERT
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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: Active & Passive Immunity |
78%
From NCERT
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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: AIDS |
88%
From NCERT
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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: Drugs & Alcohol Abuse |
63%
From NCERT
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