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Q. No.Consider the given two statements
Statement I:
Lymph is a colourless fluid containing specialized lymphocytes which are responsible for the immune responses of the body.
Statement II:
Lymph carries oxygen and nutrients to the tissues.
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Lymph |
From NCERT
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A circulatory system with blood vessels and at least one heart is required by all animals with
1. aerobic cellular respiration.
2. internal digestion.
3. sedentary lifestyles.
4. many layers of cells.
1. aerobic cellular respiration.
2. internal digestion.
3. sedentary lifestyles.
4. many layers of cells.
Subtopic: Circulatory Pathways |
From NCERT
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Consider the given two statements:
| Assertion (A): | The O blood group is considered the universal donor. |
| Reason (R): | Both anti-A and anti-B antibodies are present in the plasma of a person with blood group O. |
| 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: Blood Group (A,B,O) |
54%
From NCERT
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Arrange the following events of the cardiac cycle in the correct sequence:
1. Ventricular systole
2. Joint diastole (relaxation of atria and ventricles)
3. Atrial systole
4. Closure of semilunar valves
Options:
1. Ventricular systole
2. Joint diastole (relaxation of atria and ventricles)
3. Atrial systole
4. Closure of semilunar valves
Options:
| 1. | 3 → 1 → 4 → 2 | 2. | 2 → 3 → 1 → 4 |
| 3. | 1 → 3 → 4 → 2 | 4. | 4 → 2 → 1 → 3 |
Subtopic: Human Heart: Cardiac Cycle |
55%
From NCERT
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Consider the given two statements:
| Statement I: | The hepatic portal vein transports blood from the liver to the heart. |
| Statement II: | The hepatic portal vein carries blood rich in nutrients absorbed from the intestines. |
| 1. | Statement I is correct; Statement II is correct. |
| 2. | Statement I is correct; Statement II is incorrect. |
| 3. | Statement I is incorrect; Statement II is correct. |
| 4. | Statement I is incorrect; Statement II is incorrect. |
Subtopic: Human Heart: Double Circulation |
54%
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 |
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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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| 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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What event occurs during the joint diastole in the human heart?
1. Opening of AV valves
2. Closure of AV valves
3. Opening of semilunar valves
4. Closure of semilunar valves
1. Opening of AV valves
2. Closure of AV valves
3. Opening of semilunar valves
4. Closure of semilunar valves
Subtopic: Human Heart: Cardiac Cycle |
56%
From NCERT
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Consider the given two statements:
| Assertion (A): | SA node is called the pacemaker of the human heart. |
| Reason (R): | SA node is auto-excitable. |
| 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. | Both (A) and (R) are False. |
Subtopic: Human Heart: Gross Anatomy |
From NCERT
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