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Q. No.Which of the following cells of areolar connective tissue are also present in blood?
1. Fibroblasts
2. Eosinophils
3. Macrophages
4. Mast cells
Subtopic: Blood: White Blood Cells |
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Read the given statements and select the correct option
1. Both statements A and B are correct
2. Both statements A and B are incorrect
3. Only statement A is correct
4. Only statement B is correct
| A: | White blood cells are enucleated and are relatively lesser in number which averages 6000-8000 mm-3 of blood |
| B: | Human heart is protected by a three walled membranous bag, pericardium |
2. Both statements A and B are incorrect
3. Only statement A is correct
4. Only statement B is correct
Subtopic: Blood: General Description & RBC |
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From NCERT
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How many of the given statements are correct:
| I: | Fishes have a 2-chambered heart with an atrium and a ventricle. |
| II: | Amphibians and the reptiles (except crocodiles) have a 3-chambered heart with two atria and a single ventricle. |
| III: | Crocodiles, birds and mammals possess a 4-chambered heart with two atria and two ventricles. |
| IV: | The only vertebrates where the heart pumps out deoxygenated blood are fishes. |
| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | 4 |
Subtopic: Circulatory Pathways |
From NCERT
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Consider the two statements:
| Assertion (A): | Adrenal medullary hormones can increase the cardiac output. |
| Reason (R): | Adrenal medullary hormones are steroids with prominent effects on osmoregulation and glucose homeostasis in human body. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | (A) is True but (R) is False. |
| 3. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 4. | (A) is False but (R) is True. |
Subtopic: Regulation of Cardiac Activity |
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Consider the two statements:
| Assertion (A): | Heart failure is sometimes called congestive heart failure. |
| Reason (R): | Heart failure means the state of heart when it is not pumping blood effectively enough to meet the needs of the body. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | (A) is True but (R) is False. |
| 3. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 4. | (A) is False but (R) is True. |
Subtopic: DISORDERS OF CIRCULATORY SYSTEM |
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The principal solute, dissolved in the plasma portion of the blood as well as the extracellular fluid (ECF), amongst the following, will be:
1. haemoglobin
2. Na+
3. K+
4. albumin
1. haemoglobin
2. Na+
3. K+
4. albumin
Subtopic: Lymph | Blood: General Description & RBC |
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From NCERT
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The volume of blood pumped out by each ventricle per minute is called as the:
1. stroke volume
2. ejection fraction
3. cardiac output
4. end diastolic volume
1. stroke volume
2. ejection fraction
3. cardiac output
4. end diastolic volume
Subtopic: Human Heart: Cardiac Cycle |
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From NCERT
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Identify the correctly matched pairs:
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
| Layer in the wall of artery/vein | Made up of | |
| I: | Tunica intima | Squamous epithelium |
| II: | Tunica media | Skeletal muscle/elastic fibres |
| III: | Tunica externa | Fibrous connective tissue |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Human Heart: Double Circulation |
55%
From NCERT
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Consider the given two statements:
| Statement I: | ABO grouping is based on the presence or absence of three surface antigens on the RBCs namely A, B and O. |
| Statement II: | Rh grouping is based on the presence or absence of the type of antibody present in the plasma. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is incorrect; Statement II is incorrect |
| 3. | Statement I is incorrect; Statement II is correct |
| 4. | Statement I is correct; Statement II is incorrect |
Subtopic: Blood: Blood Group (A,B,O) |
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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