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Q. No.What is incorrect regarding innate immunity?
1.
It is present at the time of birth
2.
Physiological barriers prevent microbial growth
3.
Natural killers, a cellular barrier, are a type of monocyte
4.
It is a non-specific type of defense
Subtopic: Details of Immunity |
67%
From NCERT
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B cells:
| 1. | Do not produce antibodies but help T cells produce them |
| 2. | Are pathogen specific but do not retain the memory of previous encounters |
| 3. | Lack ability to distinguish between self and non-self |
| 4. | Are involved in humoral immune response |
Subtopic: Details of Immunity |
79%
From NCERT
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In an antibody molecule, an antigen binding site is located:
1. In the constant portion
2. At the C – terminus of a heavy chain
3. Between a light and a heavy chain
4. Between two heavy chains
Subtopic: Details of Immunity |
81%
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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 |
55%
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 |
83%
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 |
85%
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 |
72%
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 |
86%
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 |
81%
From NCERT
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