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Q. No.What is/are the function(s) of calcium?
1. Blood clotting
2. Muscular contraction
3. Nerve conduction
4. All of these
Subtopic: Blood: Blood Clotting |
70%
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Rh factor is present in
1. all vertebrates
2. all mammals
3. all reptiles
4. man and rhesus monkey only
1. all vertebrates
2. all mammals
3. all reptiles
4. man and rhesus monkey only
Subtopic: Blood: Blood Group |
81%
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The vitamin which is essential for blood clotting is
1. vitamin-A
2. vitamin-B
3. vitamin-C
4. vitamin-K
1. vitamin-A
2. vitamin-B
3. vitamin-C
4. vitamin-K
Subtopic: Blood: Blood Clotting |
85%
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The leucocytes contain which of the following in large quantity?
1. Basophils
2. Neutrophils
3. Eosinophils
4. Monocytes
1. Basophils
2. Neutrophils
3. Eosinophils
4. Monocytes
Subtopic: Blood: White Blood Cells |
90%
From NCERT
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“Bundle of His” are
1. nervous tissue supplied to ventricles
2. nervous tissue supplied to heart
3. muscular tissue supplied to ventricles
4. muscular tissue supplied to heart
1. nervous tissue supplied to ventricles
2. nervous tissue supplied to heart
3. muscular tissue supplied to ventricles
4. muscular tissue supplied to heart
Subtopic: Human Heart: Gross Anatomy |
59%
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 defence 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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A person has swelling both feet [oedema] and the doctor suspects deficiency of proteins to be the reason. Which plasma protein is most likely to be responsible for this?
| 1. | Albunims | 2. | Globulins |
| 3. | Fibrinogen | 4. | Angiotensinogen |
Subtopic: Blood: General Description & RBC |
70%
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Consider the given two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | RBCs are devoid of nucleus in humans and are biconcave in shape and in all other mammals have nucleus and are spherical in shape. |
| Statement II: | RBCs have an average life span of 120 days after which they are destroyed in the spleen (graveyard of RBCs). |
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Blood: General Description & RBC |
71%
From NCERT
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How many of the given statements regarding leucocytes in human are true?
| I. | Neutrophils are the most abundant cells (60-65 per cent) of the total WBCs. |
| II: | Basophils are the least (0.5-1 per cent) of the total WBCs. |
| III: | Neutrophils and monocytes (6-8 per cent) are phagocytic cells. |
| IV: | Basophils secrete histamine, serotonin, heparin, etc., and are involved in inflammatory reactions. |
| V: | Eosinophils (2-3 per cent) resist infections and are also associated with allergic reactions. |
| VI: | Lymphocytes (20-25 per cent) are responsible for immune responses of the body. |
| 1. | 3 | 2. | 4 |
| 3. | 5 | 4. | 6 |
Subtopic: Blood: White Blood Cells |
84%
From NCERT
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Regarding ABO grouping:
1. only a and b are correct
2. only c and d are correct
3. a, b, c, and d are correct
4. a, b, c, and d are incorrect
| a. | the blood type is decided by the presence or absence of two surface antibodies on the RBCs namely anti-A and anti-B. |
| b. | the plasma of different individuals contain two natural antigens. |
| c. | a person with blood group A can receive blood either from a person with blood group O or from a person with blood group AB. |
| d. | a person with blood group A can donate blood either to a person with blood group O or to a person with blood group A. |
2. only c and d are correct
3. a, b, c, and d are correct
4. a, b, c, and d are incorrect
Subtopic: Blood: Blood Group (A,B,O) |
62%
From NCERT
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