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Q. No.Subtopic: ECG & Coronary Artery Disease |
90%
From NCERT
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When compared to the wall of a typical vein, the wall of a typical artery will show a well developed:
| 1. | Tunica intima | 2. | Tunica media |
| 3. | Tunica externa | 4. | Tunica albuginea |
Subtopic: Human Heart: Double Circulation |
82%
From NCERT
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The two main phagocytes in the human blood include neutrophils and:
| 1. | Lymphocytes | 2. | Basophils |
| 3. | Monocytes | 4. | Eosinophils |
Subtopic: Blood: General Description & RBC |
88%
From NCERT
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Identify the correct statements:
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I: | Humans have a closed circulatory system. |
| II: | Arthropods have an open circulatory system. |
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Circulatory Pathways |
91%
From NCERT
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| Assertion(A): | A decrease in lymphocyte count in the blood will lead to an increased susceptibility to infections. |
| Reason(R): | Lymphocytes are responsible for phagocytosis in innate immune response. |
| 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: Blood: General Description & RBC |
From NCERT
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| Assertion(A): | Left ventricle pumps more blood than the right ventricle |
| Reason(R): | Left ventricle pumps deoxygenated blood and the right ventricle pumps oxygenated blood. |
| 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 False. |
Subtopic: Human Heart: Double Circulation |
From NCERT
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Regarding leucocytes:
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: | They are nucleated. |
| II: | Neutrophils, eosinophils and basophils are different types of granulocytes. |
| III: | Lymphocytes and monocytes are the agranulocytes. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Blood: White Blood Cells |
90%
From NCERT
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Regarding normal ECG tracings:
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: | The P-wave represents the electrical excitation (or depolarization) of the atria. |
| II: | The QRS complex represents the depolarization of the ventricles, which initiates the ventricular contraction. |
| III: | The end of the T-wave marks the end of diastole. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: ECG & Coronary Artery Disease |
52%
From NCERT
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When the passive filling of the ventricles is taking place during a cardiac cycle:
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: | The atria are in diastole. |
| II: | The semi-lunar valves are closed. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Human Heart: Cardiac Cycle |
77%
From NCERT
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A healthy male has a resting cardiac output of 6000 ml per minute with a stroke volume of 80 ml. What is the heart rate of this person?
| 1. | 72 per minute | 2. | 75 per minute |
| 3. | 80 per minute | 4. | 100 per minute |
Subtopic: Human Heart: Cardiac Cycle |
89%
From NCERT
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