Q. No.Consider the given two statements:
| I: | Rhinovirus, the most common virus causing common cold has a tendency to affect the upper respiratory tract. |
| II: | The mucosa associated lymphoid tissue is not present in the upper respiratory tract. |
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect
Subtopic: Common Cold & Malaria Introduction |
62%
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Identify the incorrect statement regarding Entamoeba histolytica:
| 1. | Cysts of Entamoeba can survive for up to a month in soil or for up to 45 minutes under fingernails. |
| 2. | Invasion of the intestinal lining results in bloody diarrhea. |
| 3. | Infection remains confined to the gastrointestinal tract. |
| 4. | Infections can sometimes last for years if there is no treatment. |
Subtopic: Amoebiasis |
51%
From NCERT
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Fecal-oral route is not involved in the transmission of:
| 1. | Polio | 2. | Amoebic dysentery |
| 3. | Ascariasis | 4. | Filariasis |
Subtopic: Ascariasis & Filariasis |
From NCERT
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The diagram shows the structure of an antibody molecule. Which number shows the antigen binding site?
| 1. | 1 | 2. | 3 |
| 3. | 4 | 4. | 5 |
Subtopic: Details of Immunity |
90%
From NCERT
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In the given diagram, A and B respectively represent:
| 1. | The N and the C terminus of the polypeptide |
| 2. | The C and the N terminus of the polypeptide |
| 3. | The constant and variable regions of the antibody molecule |
| 4. | The variable and constant regions of the antibody molecule |
Subtopic: Human Immune System |
79%
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Identify the incorrect statement:
| 1. | Tetanus is acquired through infection of a cut or wound with the spores of the bacterium Clostridium tetani., |
| 2. | Tetanus can be easily transmitted from person to person. |
| 3. | Tetanus can be prevented through immunization with tetanus-toxoid-containing vaccines (TTCV). |
| 4. | People who recover from tetanus do not have natural immunity and can be infected again. |
Subtopic: Introduction |
64%
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the most appropriate answer from the options given below :
| Assertion (A): | If a person is infected with some deadly microbes to which a quick immune response is required as in tetanus, we need to directly inject the preformed antibodies or antitoxin. |
| Reason (R): | This type of immunization is called passive immunization. |
| 1. | Both (A) and (R) are False |
| 2. | (A) is True but (R) is False. |
| 3. | Both (A) and (R) are True but (R) does not explain (A). |
| 4. | Both (A) and (R) are True and (R) explains (A). |
Subtopic: Active & Passive Immunity |
50%
From NCERT
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the most appropriate answer from the options given below :
| Assertion (A): | In vaccination, a preparation of antigenic proteins of pathogen or inactivated/weakened pathogen (vaccine) are introduced into the body. |
| Reason (R): | The vaccines also generate memory – B and T-cells that recognise the pathogen quickly on subsequent exposure and overwhelm the invaders with a massive production of antibodies. |
| 1. | Both (A) and (R) are False |
| 2. | (A) is True but (R) is False. |
| 3. | Both (A) and (R) are True but (R) does not explain (A). |
| 4. | Both (A) and (R) are True and (R) explains (A). |
Subtopic: Active & Passive Immunity |
68%
From NCERT
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What will be true for the given diagram?
| I: | A is thymus and it is a secondary lymphoid organ. |
| II: | B is MALT and is a primary lymphoid organ. |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
Subtopic: Human Immune System |
79%
From NCERT
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The correct statements amongst the given are:
1. Only Statement I and Statement II
2. Only Statement I and Statement III
3. Only Statement II and Statement III
4. Statement I, Statement II and Statement III
| I: | The primary lymphoid organs are where immature lymphocytes differentiate into antigen sensitive lymphocytes. |
| II: | The thymus is quite small at the time of birth and keeps increasing in size with age. |
| III: | Antigens trapped in the lymph nodes are responsible for the activation of lymphocytes present there and cause the immune response. |
2. Only Statement I and Statement III
3. Only Statement II and Statement III
4. Statement I, Statement II and Statement III
Subtopic: Human Immune System |
86%
From NCERT
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