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Q. No.Adult human RBCs are enucleated. Which of the following statement(s) is/ are the most appropriate explanation for this feature?
| (a) | They do not need to reproduce |
| (b) | They are somatic cells |
| (c) | They do not metabolize |
| (d) | All their internal space is available for oxygen transport |
1. Only (a)
2. (a),(c) and (d)
3. (b) and (c)
4. Only (d)
Subtopic: Blood: General Description & RBC: Part 1 | Blood: General Description & RBC |
72%
Level 2: 60%+
NEET - 2017
Hints
Match the following columns and select the correct option:
| Column-I | Column-I | ||
| (a) | Eosinophils | (i) | Immune response |
| (b) | Basophils | (ii) | Phagocytosis |
| (c) | Neutrophils | (iii) | Acidophils |
| (d) | Lymphocytes | (iv) | Release granules containing histamine |
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (i) | (ii) | (iii) |
| 2. | (i) | (ii) | (iv) | (iii) |
| 3. | (ii) | (i) | (iii) | (iv) |
| 4. | (iii) | (iv) | (ii) | (i) |
Subtopic: Blood: General Description & RBC: Part 2 | Blood: White Blood Cells | Blood: General Description & RBC |
83%
Level 1: 80%+
NEET - 2020
Hints
Match each item in Column-I with the one in Column-II and select the correct match from the codes given:
Codes:
| Column-I | Column-II | ||
| A. | Plasma | P. | 45 % of blood |
| B. | Formed elements | Q. | 55 % of blood |
| C. | Neutrophils | R. | 60-65 % of total WBCs |
| D. | Lymphocytes | S. | 20-25 % of total WBCs |
| A | B | C | D | |
| 1. | P | Q | R | S |
| 2. | Q | P | S | R |
| 3. | Q | P | R | S |
| 4. | P | Q | S | R |
Subtopic: Blood: General Description & RBC |
83%
Level 1: 80%+
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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 correct answer from the options given below:
| Assertion (A): | Rh incompatibility related complication does not arise in first pregnancy even if an Rh negative mother is carrying an Rh positive foetus. |
| Reason (R): | Rh antigens are proteins. |
| 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. | Both (A) and (R) are False. |
Subtopic: Blood: Blood Group (A,B,O) |
73%
Level 2: 60%+
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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 correct answer from the options given below:
| Assertion (A): | The sino-atrial node is normally the pacemaker of the human heart. |
| Reason (R): | It is the only auto-excitable part of the nodal tissue of the human heart. |
| 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. | Both (A) and (R) are False. |
Subtopic: Human Heart: Gross Anatomy |
56%
Level 3: 35%-60%
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Match blood cells given in Column I with their most important function in Column II and select the correct match from the codes given:
Codes:
| Column I | Column II | ||
| A. | Neutrophils | P. | Phagocytosis |
| B. | Basophils | Q. | Inflammatory reactions |
| C. | Lymphocytes | R. | Immune responses |
| D. | Thrombocytes | S. | Coagulation of blood |
| A | B | C | D | |
| 1. | P | Q | R | S |
| 2. | Q | P | S | R |
| 3. | R | S | P | Q |
| 4. | S | R | Q | P |
Subtopic: Blood: General Description & RBC |
95%
Level 1: 80%+
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The cell shown in the given diagram:
| 1. | is a bone marrow stem cells committed to produce RBCs |
| 2. | is the megakaryocyte |
| 3. | is the commonest WBC and is phagocytic |
| 4. | is responsible for acquired immunity in humans |
Subtopic: Blood: White Blood Cells |
83%
Level 1: 80%+
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Consider the given two statements:
| I: | SA node is the natural pacemaker of the human heart. |
| II: | SA node is the only part of that nodal musculature that is auto-excitable. |
| 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 Heart: Gross Anatomy |
60%
Level 2: 60%+
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Consider the given two statements:
| I: | The type of antigen present on the RBCs of a person with blood group type A is A. |
| II: | The type of antibodies present in the plasma of a person with blood group type A is anti-A. |
| 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: Blood: Blood Group (A,B,O) |
80%
Level 1: 80%+
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Match each item in Column I with one in Column II and select the correct match from the codes given:
Codes:
| COLUMN I | COLUMN II | ||
| A | P wave on an ECG | P | Ventricluar depolarization |
| B. | QRS complex on an ECG | Q | Atrial depolarization |
| C. | First heart sound | R | Closure of semilunar valves |
| D. | Second heart sound | S | Closure of atrioventricular valves |
Codes:
| A | B | C | D | |
| 1. | Q | P | S | R |
| 2. | P | Q | S | R |
| 3. | P | Q | R | S |
| 4. | Q | P | R | S |
Subtopic: ECG & Coronary Artery Disease |
85%
Level 1: 80%+
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