Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: An antibody is a protein molecules made by the lymphocytes.
Reason R: An antibody binds to a specific foreign antigen and neutralizes its odd effects.
In light of the above statements, choose the correct answer from the options given below
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 |
 63%
From NCERT
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Given below are two statements
Statement I: During anaphylactic shock, inflammatory chemicals released from immune cells trigger constriction of bronchioles and sudden dilation of peripheral blood vessels leading to precipitous drop in blood pressure.
Statement II: People with severe hypersensitivities often carry an auto-injector containing the hormone epinephrine since it can counter act the allergic response.
In light of the above statements, choose the most appropriate answer from the options given below
1. Both Statement I and Statement II are correct
2. Both Statement I and Statement II are incorrect
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct
Subtopic:  Allergies & Autoimmunity |
 66%
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The causative agent of chancroid is 
1. HSV-1 
2. HSV-2
3. HPV 
4. Haemophilus ducrei 
Subtopic:  Introduction |
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AIDS is caused by Human Immunodeficiency Virus (HIV). HIV can get transmitted through 
1. Blood contact 
2. Sexual contact 
3. Handshake 
4. Both (1) and (2) 
Subtopic:  AIDS |
 91%
From NCERT
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One of the common symptoms observed in people infected with Dengue fever is 
1. Significant decrease in RBC count 
2. Significant decrease in WBC count 
3. Significant decrease in platelets count 
4. Significant increase in platelets count 
Subtopic:  Treatment & Life Cycle of Malaria |
From NCERT
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The decrease in the T-lymphocytes count in human blood will result in: 
1. Decrease in antigens 
2. Decrease in antibodies 
3. Increase antibodies 
4. Increase in antigens 
Subtopic:  Details of Immunity |
 78%
From NCERT
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Interferons are proteins. In humans they secreted by: 
1. Thymus gland 
2. B-lymphocytes
3. Viral infected cells 
4. Tonsils
Subtopic:  Details of Immunity |
 87%
From NCERT
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Tetanus antitoxin(Tetanus toxoid) when injected into the human body it immediately provides: 
1. Innate immunity 
2. Passive immunity 
3. Auto immunity 
4. Active immunity 
Subtopic:  Active & Passive Immunity |
 79%
From NCERT
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Match the columns. 
I
(Species of Plasmodium
II
(Incubation period) 
1.  P. vivax  a.  28 days 
2.  P. malariae  b.  12 days 
3.  P. ovale  c.  17 days 
4.  p falciparum  d.  14 days 
1. 1-c, 2-b, 3-a, 4-d
2. 1-d, 2-a, 3-c, 4-b
3. 1-a, 2-b, 3-c, 4-d
4. 1-c, 2-a, 3-d, 4-b
Subtopic:  Treatment & Life Cycle of Malaria |
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Match the columns: 
Column I  Column II 
1.  Lymphatic filariasis  a.  Monsonella spp. 
2.  Subcutaneous filariasis b.  Loa loa, Monsonella spp. 
3.  Serous filariasis  c.  W. bancrofti, B. malayi, B. timori 
1. 1-c, 2-b, 3-a
2. 1-b, 2-a, 3-c
3. 1-a, 2-b, 3-c
4. 1-c, 2-a, 3-b
Subtopic:  Ascariasis & Filariasis |
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