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Q. No.All the following are bacterial diseases in man except:
1. Dysentery
2. Plague
3. Diphtheria
4. Measles
Subtopic: Amoebiasis |
82%
From NCERT
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Which of the following statements will not be true regarding common cold?
| 1. | Rhino viruses cause the common cold. |
| 2. | Rhino viruses infect the nose and respiratory passage and frequently involve the lungs. |
| 3. | The common cold is characterised by nasal congestion and discharge, sore throat, hoarseness, cough, headache and tiredness. |
| 4. | It spreads though droplets and through contaminated objects. |
Subtopic: Common Cold & Malaria Introduction |
94%
From NCERT
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Identify the correct statements regarding the life cycle the malarial parasite:
1. I and II only
2. II and III only
3. II and IV only
4. I and III only
| I: | Sporozoites are the infectious form for humans. |
| II: | The parasites initially multiply within the red blood cells and then attack the liver cells. |
| III: | The rupture of RBCs is associated with release of a toxic substance, haemozoin, which is responsible for the chill and high fever recurring every three to four days. |
| IV: | Fertilization occurs in human RBCs |
1. I and II only
2. II and III only
3. II and IV only
4. I and III only
Subtopic: Treatment & Life Cycle of Malaria |
86%
From NCERT
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A healthy person acquires Ascaris infection through:
| 1. | Droplet |
| 2. | Direct contact |
| 3. | Contaminated water, vegetables, fruits, etc. |
| 4. | Mosquito Vector |
Subtopic: Ascariasis & Filariasis |
90%
From NCERT
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Which of the given pairs of infections in man are transmitted primarily by Aedes mosquito?
1. Chikungunya and Dengue
2. Lymphatic filariasis and Malaria
3. Schistosomiasis and Leishmaniasis
4. Lyme disease and Typhus
1. Chikungunya and Dengue
2. Lymphatic filariasis and Malaria
3. Schistosomiasis and Leishmaniasis
4. Lyme disease and Typhus
Subtopic: Common Diseases in Humans | Dengue | Chikungunya |
91%
From NCERT
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Effector lymphocytes of the innate immune system in system are called as:
1. T lymphocytes
2. B lymphocytes
3. Natural killer cells
4. Dendritic cells
1. T lymphocytes
2. B lymphocytes
3. Natural killer cells
4. Dendritic cells
Subtopic: Details of Immunity |
56%
From NCERT
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Consider the two statements:
| Assertion (A): | Any subsequent encounter with the same pathogen elicits a highly intensified secondary response of the acquired immune system in our body. |
| Reason (R): | Acquired immune response retains the memory of previous encounters with the antigens. |
| 1. | Both (A) and (R) are True and the (R) correctly explains (A). |
| 2. | (A) is True; (R) is False |
| 3. | (A) is False; (R) is True |
| 4. | Both (A) and (R) are True but the (R) does not correctly explain (A). |
Subtopic: Details of Immunity |
94%
From NCERT
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Consider the tow statements:
| Assertion (A): | Antibody mediated acquired immune response is called as humoral immune response. |
| Reason (R): | The antibodies are found in the blood. |
| 1. | Both (A) and (R) are True and the (R) correctly explains (A). |
| 2. | (A) is True; (R) is False |
| 3. | (A) is False; (R) is True |
| 4. | Both (A) and (R) are True but the (R) does not correctly explain (A). |
Subtopic: Human Immune System |
66%
From NCERT
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The cell mediated immune response:
1. Only I, II and III are correct
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
| I: | is mediated by T lymphocytes. |
| II: | produces more antibodies than in the humoral immune response. |
| III: | is characterised by memory. |
| IV: | is responsible for graft rejections. |
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
Subtopic: Details of Immunity |
71%
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The four polypeptide chains in the monovalent structure of an antibody molecule are held together by:
1. Hydrogen bonds
2. Electrostatic interactions
3. Van der Waal forces
4. Disulfide bonds
1. Hydrogen bonds
2. Electrostatic interactions
3. Van der Waal forces
4. Disulfide bonds
Subtopic: Details of Immunity |
88%
From NCERT
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