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Q. No.Read the given statements carefully:
A.
RBCs are devoid of nucleus in most of the mammals and are biconvex in shape.
B.
Lymph has the same mineral distribution as that in plasma.
C.
By counting the number of QRS complexes in ECG that occur in a given time period, one can determine the heartbeat rate of an individual.
D.
Heart is an endodermally derived organ.
How many of the given statements are correct?
1. Three
2. Four
3. Two
4. One
Subtopic: Human Heart: Gross Anatomy | ECG & Coronary Artery Disease | Lymph | Blood: General Description & RBC |
62%
From NCERT
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Assertion (A): The walls of ventricles are much thicker than that of the atria.
Reason (R): Ventricles pump blood to different organs and the pressure with which the blood flows through them is much more than the auricles.
In the light of above statements, choose the correct option.
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
Reason (R): Ventricles pump blood to different organs and the pressure with which the blood flows through them is much more than the auricles.
In the light of above statements, choose the correct option.
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: Double Circulation |
85%
From NCERT
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Choose the incorrect match.
1. Atherosclerosis – Lumen of arteries become narrower
2. Heart attack – Congestive heart failure
3. Angina pectoris – Acute chest pain
4. Heart failure – Heart is not pumping blood effectively
1. Atherosclerosis – Lumen of arteries become narrower
2. Heart attack – Congestive heart failure
3. Angina pectoris – Acute chest pain
4. Heart failure – Heart is not pumping blood effectively
Subtopic: DISORDERS OF CIRCULATORY SYSTEM |
82%
From NCERT
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Match the formed elements in column I with their percent of total WBCs in column II and select the correct option:
| Column I | Column II | ||
| (a) | Eosinophils | (i) | 60-65% |
| (b) | Monocytes | (ii) | 0.5-1% |
| (c) | Basophils | (iii) | 6-8% |
| (d) | Neutrophils | (iv) | 2-3% |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (iv) | (ii) | (i) |
| 2. | (i) | (ii) | (iii) | (iv) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (iv) | (iii) | (i) | (ii) |
Subtopic: Blood: White Blood Cells | Blood: General Description & RBC |
81%
From NCERT
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To obtain a standard ECG, a patient is connected to the machine with three electrical leads attached one to each ‘A’ and to the ‘B’. Select the option correctly representing A and B.
A B
1. Wrist Left chest region
2. Ankle Left wrist
3. Wrist Left ankle
4. Ankle Left chest region
A B
1. Wrist Left chest region
2. Ankle Left wrist
3. Wrist Left ankle
4. Ankle Left chest region
Subtopic: ECG & Coronary Artery Disease |
88%
From NCERT
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Figure shows blood circulation in humans with labels A to D. Select the option which gives correct identification of label and functions of the part:
| 1. | B - Capillary - thin without muscle layers and well two-cell thick |
| 2. | C - Vein - thin-walled and blood flows in jerks./spurts |
| 3. | D - Pulmonary vein - takes oxygenated blood to heart PO2=95 mm Hg |
| 4. | A - Artery- thick-walled and blood flows evenly |
Subtopic: Human Heart: Double Circulation |
69%
From NCERT
NEET - 2013
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Choose the correct option to complete the analogy.
Between right atrium and right ventricle :
Tricuspid valve :: Between left ventricle and aorta : ___________
1. Semilunar valve
2. Pulmonary valve
3. Bicuspid valve
4. Mitral valve
Between right atrium and right ventricle :
Tricuspid valve :: Between left ventricle and aorta : ___________
1. Semilunar valve
2. Pulmonary valve
3. Bicuspid valve
4. Mitral valve
Subtopic: Human Heart: Gross Anatomy | Human Heart: Cardiac Cycle |
77%
From NCERT
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Fibrinogen, globulins and albumins are the major proteins and their primary functions are:
| 1. | Fibrinogen – clotting of blood; Globulins – colloid osmotic pressure; Albumins – defence mechanisms |
| 2. | Fibrinogen – clotting of blood; Globulins – defence mechanisms; Albumins – colloid osmotic pressure |
| 3. | Fibrinogen – prevention of clotting of blood; Globulins – colloid osmotic pressure; Albumins – defence mechanisms |
| 4. | Fibrinogen – prevention of clotting of blood; Globulins – defence mechanisms; Albumins – colloid osmotic pressure |
Subtopic: Blood: Blood Clotting |
86%
From NCERT
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The first and the second heart sounds are produced respectively by:
| 1. | the closure of the atrioventricular and the opening of the semilunar valves |
| 2. | the opening of the atrioventricular and the closure of the semilunar valves |
| 3. | the closure of the atrioventricular and semilunar valves |
| 4. | the opening of the atrioventricular and semilunar valves |
Subtopic: Human Heart: Cardiac Cycle |
85%
From NCERT
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Erythroblastosis foetalis can be avoided by administering anti-Rh antibodies to the:
| 1. | mother between 20 weeks and 24 weeks of pregnancy |
| 2. | mother early in pregnancy |
| 3. | mother immediately after the delivery of the child |
| 4. | new-born immediately after the delivery |
Subtopic: Blood: Blood Group |
89%
From NCERT
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