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Q. No.What holds the polypeptide chains in the antibody molecule?
1. Hydrogen bonds
2. Van der Waals forces
3. Disulphide bonds
4. Hydrophobic interactions
Subtopic: Human Immune System |
90%
From NCERT
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B lymphocytes:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | are of two types, where one is responsible for humoral and the other for cell mediated immune response. |
| II: | secrete antibodies into body fluids. |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Human Immune System |
70%
From NCERT
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The principle of immunisation or vaccination is based on the property of:
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I: | ‘memory’ of the immune system. |
| II: | ability to distinguish between self and non-self. |
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Human Immune System |
51%
From NCERT
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In cases of snakebites, the injection which is given to the patients, contains:
1. different toxins present in snake venom
2. preformed antibodies against the snake venom
3. a cocktail of different antibiotics
4. adrenaline, noradrenaline and cortisol
1. different toxins present in snake venom
2. preformed antibodies against the snake venom
3. a cocktail of different antibiotics
4. adrenaline, noradrenaline and cortisol
Subtopic: Active & Passive Immunity |
94%
From NCERT
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Consider the given two statements:
| I: | Benign tumors normally remain confined to their original location and do not spread to other parts of the body and therefore, cause little damage. |
| II: | The malignant tumors are a mass of proliferating cells called neoplastic or tumor cells and spread to other parts of the body. |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Cancer |
96%
From NCERT
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Which of the following is least likely to cause hallucinations?
| 1. | LSD | 2. | Cocaine |
| 3. | Atropine | 4. | Paracetamol |
Subtopic: Drugs & Alcohol Abuse |
77%
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Cirrhosis of liver is a complication most frequently associated with chronic abuse of:
| 1. | Cocaine | 2. | Atropine |
| 3. | Wine | 4. | Nicotine |
Subtopic: Drugs & Alcohol Abuse |
76%
From NCERT
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Consider the given two statements:
| Assertion (A): | Any subsequent encounter with the same pathogen elicits a highly intensified secondary or anamnestic response in human body. |
| Reason (R): | When our body encounters a pathogen for the first time, it produces a response called primary response which is of low intensity. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 3. | (A) is True, (R) is False |
| 4. | (A) is False, (R) is True |
Subtopic: Human Immune System |
76%
From NCERT
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Transmission of HIV infection can generally occur by:
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
| I: | sexual contact with infected person |
| II: | mere touch or physical contact |
| III: | transfusion of contaminated blood and blood products |
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: AIDS |
93%
From NCERT
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The spleen:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | mainly contains lymphocytes and phagocytes. |
| II: | acts as a filter of the blood by trapping blood-borne micro-organisms. |
| III: | has a large reservoir of erythrocytes |
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Human Immune System |
74%
From NCERT
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