Q. No.Subtopic: Blood: General Description & RBC |
82%
From NCERT
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Subtopic: Blood: General Description & RBC |
78%
From NCERT
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Identify the incorrectly matched pair:
| 1. | Plasma protein | – | 6 to 8 % |
| 2. | Formed elements | – | 55% of the blood |
| 3. | Hemoglobin | – | 12 to 16 gm in 100 ml of blood |
| 4. | Platelets | – | 150000 to 350000 mm-3 |
Subtopic: Blood: General Description & RBC |
81%
From NCERT
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The colloid osmotic pressure in the human blood is largely due to:
| 1. | electrolytes | 2. | albumin |
| 3. | fibrinogen | 4. | globulins |
Subtopic: Blood: General Description & RBC |
84%
From NCERT
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Identify the correct statements:
| I: | Fibrinogens are needed for clotting or coagulation of blood. |
| II: | Globulins, primarily, are involved in the defense mechanisms of the body. |
| III: | The albumins help in osmotic balance. |
| 1. | Only I | 2. | Only I and III |
| 3. | Only II and III | 4. | I, II and III |
Subtopic: Blood: General Description & RBC |
95%
From NCERT
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Erythrocytes, or RBCs:
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: | lack both a nucleus and mitochondria organelles. |
| II: | are much more common than leukocytes in the blood. |
| III: | require dietary iron and vitamin B12 for normal production. |
| IV: | have a circulating life span of about twelve months. |
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
Subtopic: Blood: General Description & RBC |
92%
From NCERT
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Consider the following statements about human blood:
1. Only Statement I is correct.
2. Only Statement II is correct.
3. Both Statements are correct.
4. Neither Statement is correct.
| I: | Red blood cells in humans have a nucleus. |
| II: | Blood plasma contains fibrinogen which helps in clotting. |
2. Only Statement II is correct.
3. Both Statements are correct.
4. Neither Statement is correct.
Subtopic: Blood: General Description & RBC |
92%
From NCERT
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Match the following blood components with their functions:
1. A-1, B-2, C-4, D-3
2. A-3, B-1, C-4, D-2
3. A-3, B-1, C-2, D-4
4. A-2, B-4, C-1, D-3
| Component (List I) | Function (List II) | ||
| A. | Plasma | 1. | Transport of oxygen and carbon dioxide |
| B. | Red Blood Cells (RBCs) | 2. | Clot formation |
| C. | White Blood Cells (WBCs) | 3. | Regulation of blood volume and pressure |
| D. | Platelets | 4. | Defense against pathogens |
1. A-1, B-2, C-4, D-3
2. A-3, B-1, C-4, D-2
3. A-3, B-1, C-2, D-4
4. A-2, B-4, C-1, D-3
Subtopic: Blood: General Description & RBC |
94%
From NCERT
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Erythrocytes in humans are destroyed mainly in:
| 1. | liver and spleen | 2. | heart and lungs |
| 3. | bone marrow | 4. | kidney |
Subtopic: Blood: General Description & RBC |
93%
From NCERT
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The average life span of human red blood cells is:
| 1. | 10 days | 2. | 120 days |
| 3. | 21 days | 4. | three months |
Subtopic: Blood: General Description & RBC |
95%
From NCERT
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