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Q. No.Active immunity develops when:
1.
A host is exposed to antigens
2.
Antigen presenting cells first encounter the antigen
3.
T helper cells activate B cells to produce antibodies
4.
When a child gets vaccinated for the first time
Subtopic: Active & Passive Immunity |
54%
From NCERT
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A foetus receiving some antibodies from mother through placenta is an example of:
| 1. | Naturally acquired active immunity |
| 2. | Artificially acquired active immunity |
| 3. | Artificially acquired passive immunity |
| 4. | Naturally acquired passive immunity |
Subtopic: Active & Passive Immunity |
81%
From NCERT
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The principle of immunization or vaccination is based on which property of the immune system?
1. Specificity
2. Memory
3. Ability to recognize self from non-self
4. Cooperation between innate and adaptive immunity
Subtopic: Active & Passive Immunity | Human Immune System |
87%
From NCERT
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What type of immunity is used in the treatment of a patient of snakebite?
| 1. | Naturally acquired active immunity |
| 2. | Artificially acquired active immunity |
| 3. | Artificially acquired passive immunity |
| 4. | Naturally acquired passive immunity |
Subtopic: Active & Passive Immunity |
84%
From NCERT
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A drug that would not be helpful in the treatment of allergies is:
| 1. | Antibiotics | 2. | Antihistaminics |
| 3. | Steroids | 4. | Adrenaline |
Subtopic: Human Immune System |
70%
From NCERT
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Primary lymphoid organs are:
| 1. | Bone marrow & Spleen | 2. | Bone marrow & Thyroid |
| 3. | Lymph nosed & Spleen | 4. | Bone marrow & thymus |
Subtopic: Details of Immunity | Active & Passive Immunity | Allergies & Autoimmunity |
85%
From NCERT
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Secondary lymphoid organs:
| 1. | Are those where immature lymphocytes differentiate |
| 2. | Provide a site of interaction between lymphocytes and antigens |
| 3. | Are formed after birth |
| 4. | Are bone marrow and MALT |
Subtopic: Details of Immunity |
80%
From NCERT
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Which of the following is not a function of spleen?
| 1. | It acts as a filter of the blood by trapping blood-borne microorganisms |
| 2. | It acts as a large reservoir of RBCs |
| 3. | It filters our old RBCs |
| 4. | It continues to form RBCs for a few years after birth |
Subtopic: Fungal Infection & Concept of Immunity | Details of Immunity |
72%
From NCERT
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What constitutes about 50% of the lymphoid tissue in the human body?
| 1. | Malt | 2. | Spleen |
| 3. | Lymph nodes | 4. | Liver |
Subtopic: Details of Immunity | Active & Passive Immunity | Allergies & Autoimmunity | Human Immune System |
94%
From NCERT
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Small masses of lymphatic tissue found throughout the ileum region of the small intestine are called:
| 1. | Paneth cells | 2. | Meissener’s Plexus |
| 3. | Peyer’s patches | 4. | Entero-chromaffin cells |
Subtopic: Human Immune System |
90%
From NCERT
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